Difference between revisions of "Template:Convert"
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Latest revision as of 18:17, 4 May 2017
This template employs intricate features of template syntax.
You are encouraged to familiarise yourself with its setup and parser functions before editing the template. If your edit causes unexpected problems, please undo it quickly, as this template may appear on a large number of pages. Remember that you can conduct experiments, and should test all improvements, in either the general Template sandbox or your user space before changing anything here. |
This project or template has a transwiki guide to help editors adapt it to a remote wiki when this cannot be done by simply copying the codes of one single template. See Template:Convert/Transwiki guide for instructions. |
The Template:Convert and most of its high-risk subtemplates have been protected so that only admins can edit them. Discuss proposed changes on the Convert talk-page. |
Contents
Usage
This template shows measurement quantities as primary and converted secondary units (or ranges), with optional rounding, wikilinks, abbreviation, or US spellings, and various separators including: parentheses "( )", "or", hyphens, comma, "to" or dashes. The can help users by generating correct conversions from one unit of measurement to another, particularly for more complex units. It's also useful by making the text adhere to the Manual of Style. The text the template generates does not differ from a plain text equivalent, however.
Styles include: distance "32 metres (105 ft)" and "32 metres or 105 feet"; temperature "18 °C (64 °F)"; mass "55.0 kg (121.3 lb)" or "65 to 80 kg (143 to 176 lb)"; etc. For units see: Convert/list of units.
Options include: | lk=in , abbr=on , abbr=off , sp=us , adj=on , adj=mid , disp=x , disp=table and sortable=on (explained below). By default, output is rounded to match the precision of input; alternatives include: sigfig=3 or using the end parameter, such as "|1 " to show tenths or "|-2 " to show full 100's, etc.
|
Single value:
{{convert|value|in_unit|out_unit|round_to|...}}
Range of 2 values, or set of 3 or 4 (see below for list of range options):
{{convert|val1|range|val2 |in_unit|out_unit|round_to|...}} {{convert/3 |val1|range|val2|words|val3|in_unit|out_unit|round_to|...}} {{convert/4 |val1|words|val2|words|val3|words|val4|in_unit|out_unit|...}}
- Numbers must be entered in unformatted form (without commas). Values output by the template will be displayed formatted and with a true minus sign where appropriate. To specify with commas, re-code a number as {{formatnum:9,000,500|R}} (becomes 9000500).
- Optional parameters, in examples below, allow abbreviated units (abbr=on), or U.S. spellings (sp=us for meter), or hyphenation (adj=on), etc.
- For this template many levels of substitution are possible, hence doing this fully, step by step, is cumbersome. Use Special:ExpandTemplates instead.
- The template has very limited in-built capacity for dimensional analysis. It is therefore up to the user to ensure that most input and output units are compatible. Do not, for example, attempt to convert barrels to tonnes (but see {{bbl to t}}). Also beware of units with similar names; the code
oz
, for example, is for the avoirdupois ounce (a unit of mass), do not use this if you want fluid ounces. Note also that the codelb
gives pounds mass, for pounds force uselbf
. - An attempt to convert a unit to itself, e.g., km to km, will result in a template loop.
- The range functionality is not fully implemented for all units, so experimentation may be required.
- This documentation page tends to lag behind in terms of what the template can do. For details see the talk page and its archives.
Examples
Single value
Input | Displays as |
{{convert|3.21|kg|lb}} | 3.21 kilograms (7.1 lb) |
{{convert|3.21|kg|lb|0}} | 3.21 kilograms (7 lb) |
{{convert|10|kg|lb|disp=or}} | 10 kilograms or 22 pounds |
{{convert|6|ft|5|in|m}} | 6 feet 5 inches (1.96 m) |
{{convert|10|mi}} | 10 miles (16 km) |
{{convert|100|mpgus}} | 100 miles per US gallon (2.4 L/100 km; 120 mpg‑imp) |
{{convert|120|km/h}} | 120 kilometres per hour (75 mph) |
{{convert|18|°C|°F}} | 18 °C (64 °F) |
{{convert|1250|sqft|m2|lk=in|sigfig=2}} | 1,250 square feet (120 m2) Note 'lk=in' links only the input unit. This example is for illustration only, common units of measurement should not be linked. See: wp:overlink. |
{{convert|20.5|m3|cuyd|lk=out|abbr=on}} | 20.5 m3 (26.8 cu yd) Note 'lk=out' links only the output unit, cu yd. |
{{convert|641|acre|ha sqmi|lk=on}} | 641 acres (259 ha; 1.002 sq mi) Note 'lk=on' links all units. Per guidelines, common units should not be linked. See: wp:overlink. |
{{convert|641|acre|ha sqmi|2|lk=on}} | 641 acres (259.40 ha; 1.00 sq mi) Although 640 acres equals 1 square mile; 641 acres rounded to two decimal places equals 1.00 sq mi. |
Range of 2 values
- Note: not yet operational for all units
Input | Displays as |
{{convert|60|and|170|kg|lb}} | 60 and 170 kilograms (130 and 370 lb) |
{{convert|60|to|170|kg|lb}} | 60 to 170 kilograms (130 to 370 lb) |
{{convert|60|to(-)|170|kg|lb}} | 60 to 170 kilograms (130–370 lb) |
{{convert|60|-|170|kg|lb}} | 60–170 kilograms (130–370 lb) |
{{convert|41|to|50|F|C}} | 41 to 50 °F (5 to 10 °C) |
{{convert|41|-|50|F|K}} | 41–50 °F (278–283 K) |
{{convert|60|x|120|m|ft}} | 60 by 120 metres (200 ft × 390 ft) |
{{convert|60|+/-|10|m|ft}} | 60 ± 10 metres (197 ± 33 ft) |
{{convert|19|to|27|L|USgal}} | 19 to 27 litres (5.0 to 7.1 US gal) |
{{convert|5|to|7|L|USgal}} | 5 to 7 litres (1.3 to 1.8 US gal) |
{{convert|4|-|9|L|USgal|abbr=off}} | 4–9 litres (1.1–2.4 US gallons) |
The following conversions are currently not available as a range of values:
- Some imperial and US gallon-based units
- Other fuel-consumption units, except "mpg" or "L100km" shown above.
- Large scale units (e3, e6, e9)
- Combination-based units (ft&in, st&lb, lb&oz) due to complexity of the conversion.
Range/set of 3 or 4 values
- Note: not yet operational for all units
Input | Displays as |
{{convert/3 |2|x|4|x|6|m|ft}} | 2×4×6 metres (6.6×13×20 ft) |
{{convert/3 |60|-|70|-|80|kg|lb}} | 60–70–80 kilograms (130–150–180 lb) |
{{convert/4 |60|-|70|-|80|-|90|kg|lb}} | 60–70–80–90 kilograms (130–150–180–200 lb) |
{{convert/3 |60|to|80|or|85|m|ft}} | 60 to 80 or 85 metres (200 to 260 or 279 ft) |
{{convert/3 |11|by|15|rarely|16|ft|m}} | 11 by 15 rarely 16 feet (3.4 by 4.6 rarely 4.9 m) |
{{convert/3 |41|to|50|to|60|F|C}} | 41 to 50 to 60 °F (5 to 10 to 16 °C) |
{{convert/4 |2|to|12|, in summer|25|to|36|C|F}} | 2 to 12, in summer 25 to 36 °C (36 to 54, in summer 77 to 97 °F) |
{{convert/3 |41|-|50|almost|51|F|K}} | 41–50 almost 51 °F (278–283 almost 284 K) |
For {{convert/3}} or {{convert/4}}, the separator words can be any text.
Parameters
Parameters | |
---|---|
Use US spelling | attach |sp=us
|
Make units linked | attach |lk=on to link all units (default: lk=off)attach |lk=in to link only the input unitsattach |lk=out to link only the output units(The manual of style suggests that you should not link common units of measurement). |
Use the adjective form, or insert mid-text words | attach |adj=on (e.g. "190-foot (58 m) bridge" instead of "190 feet...").
attach
Note 1: Any rounding-parameter should follow the mid-text: "text|0".
|
Abbreviate units, or not | attach |abbr=on to show unit symbolsattach |abbr=off to show all unit names in full wordsattach |abbr=in to abbreviate input unitsattach |abbr=out to abbreviate output unitsattach |abbr=values to suppress unit names & show only values. So, {{convert|6|mi|abbr=values}} gives: 6 (9.7).
|
Change "( )" to display other separators | attach |disp=comma to put comma, not brackets/parenthesesattach |disp=or to put "or" between units.The default value is: disp=b for brackets/parentheses. |
Change "( )" to customized separators | attach |disp=x| (begin | end) to show "xx (begin yy end)" See example 1attach |disp=x|; to show "xx; yy" See example 2attach |disp=x| (same as |) to show "xx (same as yy)". See example 3Example 1: {{convert|9|km|mi|disp=x| [|]}}→9 kilometres [5.6 mi] (note space before [|) Example 2: {{convert|9|km|mi|disp=x|;}}→9 kilometres;5.6 mi Example 3: {{convert|10|km|mi|disp=x| (about |)}}→10 kilometres (about 6.2 mi) (note spaces used within the code). |
Display output only | attach |disp=output only to show result number & unitattach |disp=output number only to show just numberNote when using "disp=output only" then the unit name can still be shown as full words by abbr=off or linked by lk=on. |
Display units inverted as reverse order | attach |disp=flip to reverse the order & show output unit first.So, {{convert|6|km|disp=flip}} shows "3.7 miles (6 km)". To get symbol "mi" use abbr=in, to abbreviate the input unit (left-side unit). |
Display unit name (only) | attach |disp=unit to show the unit name for a symbolThe unit name will be plural when the amount is not 1, or hyphenated when adj=on. So, {{convert|2|cuyd|disp=unit}} shows "cubic yards" plural. |
Display amounts as table cells | attach |disp=table (or |disp=tablecen) Note: For use in tables, the template must start on a new line after a pipe. Only the number will be displayed unless you set |abbr=on , |lk=on , |lk=in or |lk=out . Example: here
|
Round to a specified number of significant figures | attach |sigfig={some integer greater than zero} . In the case of temperatures Celsius or Fahrenheit this refers to the difference with the absolute-zero temperature. For example, at room temperature two significant digits means rounded to tens of degrees.
|
Round by 5 | attach |disp=5 to round the output amount to the nearest 5 units. Not supported for all options. |
Let Convert decide the unit to convert to | skip the precision parameter (the 3rd or 4th unnamed parameter) e.g. {{convert|100|km|ft}} gives 100 kilometres (330,000 ft) and {{convert|100|km}} gives 100 kilometres (62 mi).
|
Display input value with a fraction | {{convert|3/8|in|mm|3|abbr=on}} → 3⁄8 in (9.525 mm) or {{convert|11+1/4|in|cm|2|abbr=on}} → 11 1⁄4 in (28.58 cm)
For negative amounts, use two minus signs (hyphens): -11-1/4. |
Generate a hidden sort key for use with a sortable table | attach |sortable=on to generate a hidden sort key so that sortable tables will sort correctly. This uses {{ntsh}} to generate a sort key from the first numeric value. It ignores any additional values, ie, if you use 6|ft|2|in as the value, it will only use the 6 for the sort key. This will cause numeric values to sort in numeric order, ie: 5, 10, 15 instead of 10, 15, 5.
|
Parameters still under construction
Parameters still under construction. May not work in all situations | |
---|---|
disp=5[note 1] | The output will be rounded to the nearest 5 units. Might not work when linking unit names. |
disp=tablecen[note 1] | Similar to disp=table except that the values with be centered within the column. See the tables at La Nouvelle branch, BM-21 Grad for in use examples. |
disp=comma[note 1] | The two values will be separated by a comma, for situations where the first value is already within parentheses. See the Geography tables on Labrador for an example. |
abbr=in | Abbreviates only the input unit. |
abbr=out | Abbreviates only the output unit. |
abbr=comma[note 1] | "Abbreviates" (removes) commas. For ranges, using abbr=comma conflicts with internal options, so instead, append "nocomma" to a range-word: tonocomma, bynocomma, andnocomma, -nocomma & xnocomma. |
disp=br | This separates input and output units with a forced line break. This can be useful in tables with limited horizontal space. |
disp=sqbr | Shows square brackets "[ ]" instead of parentheses "( )" in output. Example: 55 miles [89 km]. This option can be used in direct quotes, to show conversions in editorial brackets. See: attach |disp=x|[|] , above, as another way of showing brackets "[ ]".
|
Rounding
Convert supports four types of rounding:
- Rounding to a given precision
- Specify the desired precision with the fourth unnamed parameter (or third unnamed parameter if the "convert to" parameter is omitted; or fifth unnamed parameter if a range is specified; or fourth unnamed parameter again if a range is specified and the "convert to" parameter is omitted; needs to be replaced with a "precision" named parameter). The conversion is rounded off to the nearest power of 1⁄10 this number. For instance, if the result is 8621 and the round number is '-2', the result will be 8600. If the result is '234.0283043' and the round number is '0', the result will be 234.
- Rounding to a given number of significant figures
- Specify the desired number of significant figures using
|sigfig={some integer greater than zero}
as noted above.
- Default rounding
- If neither the desired precision nor the desired number of significant figures is specified, the conversion will be rounded either to a comparable precision as the input value (the number of digits after the decimal point—or the negative of the number of non-significant zeroes before the point—is increased by one if the conversion is a multiplication by a number between 0.02 and 0.2, remains the same if the factor is between 0.2 and 2, is decreased by 1 if it is between 2 and 20, and so on) or to two significant figures, whichever is the most precise. An exception to this is temperature, wherein the conversion will be rounded either to precision comparable to that of the input value or to that which would give three significant figures when expressed in kelvins, whichever is the most precise.
Examples of default rounding | ||
---|---|---|
Input | Displays as | Note |
{{convert|550|ft|m|0}} | 550 feet (168 m) | Approximate value is 167.64 m |
{{convert|550|ft|m}} | 550 feet (170 m) | Rounds to 170, when approximate value is 167.64 m |
{{convert|500|ft|m|0}} | 500 feet (152 m) | Approximate value is 152.4 m |
{{convert|500|ft|m}} | 500 feet (150 m) | Rounds to 150, when approximate value is 152.4 m |
Units supported
The table below lists units supported by this template. It is divided up according to the quantity being measured. Not all supported units are listed here; there are links to more complete lists for each quantity.
The codes listed in the code column (column 3) are accepted as input by the template. These can be used as the second or third unnamed parameter. For some units there exist alternative codes. These are listed in brackets and have been incorporated to make the code more flexible for editors, e.g. °F or F may be entered.
The codes listed in the combinations column (column 7) can be used to produce multiple conversions. They can only be used as the third unnamed parameter, e.g. {{convert|55|nmi|km mi}}
produces "55 nautical miles (102 km; 63 mi)".
Abridged list of units supported by {{Convert}} | ||||||
---|---|---|---|---|---|---|
Explanation | ||||||
system | unit | unit- code |
symbol or abbrev. |
notes | conversion factor | combination output units |
the system(s) to which the unit belongs | units listed by name | unit-code to use in template | symbols shown in output | other notes about the units | conversion factors used to convert to and from the SI base unit | output codes for multiple conversions
|
LENGTH (Full list) | ||||||
system | unit | unit- code |
abbrev- iation |
notes | conversion factor/m |
combination output units |
SI | megametre | Mm | Mm | US spelling: megameter |
1,000,000 | |
kilometre | km | km | US spelling: kilometer |
1,000 |
| |
metre | m | m | US spelling: meter |
1 |
| |
centimetre | cm | cm | US spelling: centimeter |
0.01 |
| |
millimetre | mm | mm | US spelling: millimeter |
0.001 |
| |
micrometre | μm (um) | µm | US spelling: micrometer |
0.000001 | ||
nanometre | nm | nm | US spelling: nanometer |
0.000000001 | ||
non-SI metric | ångström | Å (angstrom) |
Å | 0.0000000001 | ||
Imperial & US customary |
mile | mi | mi | 1,609.344 |
| |
furlong | furlong | 201.168 | ||||
chain | chain | 20.1168 | ||||
rod | rd | rd | For other names of this unit see the full list. | 5.0292 | ||
fathom | fathom | assumes 1 fathom ≡ 6 ft | 1.8288 | |||
yard | yd | yd | assumes the international definition | 0.9144 | ||
foot | ft (foot) | ft | code "foot" will show "foot" if plural. code "ft" will show "foot" or "feet" depending on value. |
0.3048 |
| |
inch | in | in | 0.0254 |
| ||
Other | nautical mile | nmi | nmi | the international standard nautical mile For other nautical miles see the full list. |
1,852 | |
parsec | pc | pc | 3.0856775814672000×10 16 | |||
light-year | ly | ly | 9.4607304725808×10 15 | |||
astronomical unit | AU | AU | 149,597,870,700 |
| ||
AREA (Full list) | ||||||
system | unit | unit- code |
abbrev- iation |
notes | conversion factor/m2 | combinations |
SI | square kilometre | km2 | km2 | US spelling: square kilometer |
1,000,000 |
|
square metre | m2 | m2 | US spelling: square meter |
1 |
| |
square centimetre | cm2 | cm2 | US spelling: square centimeter |
0.0001 |
| |
square millimetre | mm2 | mm2 | US spelling: square millimeter |
0.000001 |
| |
non-SI metric | hectare | ha | ha | 10,000 | ||
Imperial & US customary |
square mile | sqmi | sq mi | 2,589,988.110336 |
| |
acre | acre | 4,046.856422 | ||||
square yard | sqyd | sq yd | 0.83612736 | |||
square foot | sqft (sqfoot) |
sq ft | code "sqfoot" will show "square foot" if plural. code "sqfoot" will show "foot" or "feet" depending on value. |
0.09290304 |
| |
square inch | sqin | sq in | 0.00064516 |
| ||
Other | square nautical mile | sqnmi | sq nmi | 3,429,904 | ||
dunam | dunam | For alternative spellings and definitions see the full list | 1,000 | |||
tsubo | tsubo | (400/121) |
| |||
VOLUME (Full list) | ||||||
system | unit | unit- code |
abbrev- iation |
notes | conversion factor/m3 | combinations |
SI | cubic metre | m3 | m3 | US spelling: cubic meter one kilolitre |
1 | |
cubic centimetre | cm3 | cm3 | US spelling: cubic centimeter one millilitre |
0.000001 | ||
cc | cc | |||||
cubic millimetre | mm3 | mm3 | US spelling: cubic millimeter |
0.000000001 | ||
non-SI metric | kilolitre | kl | kl | US spelling: kiloliter one cubic metre |
1 | |
kL | kL | |||||
litre | l | l | US spelling: liter one cubic decimetre Allows triple output units. See: full list. |
0.001 |
| |
L | L |
| ||||
centilitre | cl | cl | US spelling: centiliter |
0.00001 | ||
cL | cL | |||||
millilitre | ml | ml | US spelling: milliliter one cubic centimetre |
0.000001 |
| |
mL | mL |
| ||||
Imperial & US customary |
cubic yard | cuyd | cu yd | 0.764554857984 | ||
cubic foot | cuft (cufoot) | cu ft | code "cufoot" will show "cubic foot" if plural. code "cufoot" will show "foot" or "feet" depending on value. |
0.028316846592 | ||
cubic inch | cuin | cu in | 0.000016387064 | |||
Imperial | imperial barrel | impbbl | imp bbl | 36 imp gal | 0.16365924 | |
imperial bushel | impbsh | imp bsh | 8 imp gal | 0.03636872 | ||
impbu | imp bu | |||||
imperial gallon | impgal | imp gal | 4.54609 litres by definition, also 4 imp qt or 8 imp pt or 160 imp fl oz Allows triple output units. See: full list. |
0.00454609 |
| |
imperial quart | impqt | imp qt | 1/4 imp gal or 40 imp fl oz | 0.0011365225 | ||
imperial pint | imppt | imp pt | 1/8 imp gal or 20 imp fl oz | 0.00056826125 | ||
imperial fluid ounce | impoz (impfloz) | imp fl oz | 1/160 imp gal | 0.0000284130625 |
| |
US customary liquid measure |
US barrel | USbbl | US bbl | 31½ US gal used for liquids except for oil and beer (see the full list) |
0.119240471196 | |
U.S.bbl | U.S. bbl | |||||
barrel | oilbbl | bbl | 42 US gal | 0.158987294928 | ||
US beer barrel | USbeerbbl (usbeerbbl) |
US bbl | 0.117347765304 | |||
U.S.beerbbl (usbeerbbl) |
U.S. bbl | |||||
US gallon | USgal | US gal | 231 cubic inches by definition, also 4 US qt or 8 US pt or 128 US fl oz Allows triple output units. See: full list. |
0.003785411784 |
| |
U.S.gal | U.S. gal |
| ||||
US quart | USqt | US qt | 1/4 US gal or 32 US fl oz | 0.000946352946 | ||
U.S.qt | U.S. qt | |||||
US pint | USpt | US pt | 1/8 US gal or 16 US fl oz | 0.000473176473 | ||
U.S.pt | U.S. pt | |||||
US fluid ounce | USoz (USfloz) |
US fl oz | 1/128 US gal | 0.0000295735295625 |
| |
U.S.oz (U.S.floz) |
U.S. fl oz |
| ||||
US customary dry measure |
US dry barrel | USdrybbl | US dry bbl | 105/32 US bsh | 0.11562819898508 | |
U.S.drybbl | U.S. dry bbl | |||||
US bushel | USbsh | US bsh | 2150.42 cubic inches by definition | 0.03523907016688 | ||
U.S.bsh | U.S. bsh | |||||
US bushel | USbu | US bu | 2150.42 cubic inches by definition | 0.03523907016688 | ||
U.S.bu | U.S. bu | |||||
US dry gallon | USdrygal | US dry gal | 1/8 US bsh Allows triple output units. See: full list. |
0.00440488377086 |
| |
U.S.drygal | U.S. dry gal |
| ||||
US dry quart | USdryqt | US dry qt | 1/32 US bsh | 0.001101220942715 | ||
U.S.dryqt | U.S. dry qt | |||||
US dry pint | USdrypt | US dry pt | 1/32 US bsh | 0.0005506104713575 | ||
U.S.drypt | U.S. dry pt |
| ||||
SPEED (Full list) | ||||||
system | unit | unit- code |
abbrev- iation |
notes | conversion factor/(m/s) | combinations |
SI | metre per second | m/s | m/s | US spelling: meter per second |
1 |
|
non-SI metric | kilometre per hour | km/h | km/h | US spelling: kilometer per hour |
(5/18) |
|
Imperial & US customary |
mile per hour | mph | mph | 0.44704 |
| |
foot per second | ft/s (foot/s) | ft/s | code "foot/s" will show "foot per second" if plural. code "foot/s" will show "foot" or "feet" depending on value. |
0.3048 |
| |
Maritime units | knot | kn (knot) | kn | (4.63/9) |
| |
FORCE (Full list) | ||||||
system | unit | unit- code |
abbrev- iation |
notes | conversion factor/N | combination output units |
SI | giganewton | GN | GN | Allows triple output units. See: full list. | 1,000,000,000 |
|
meganewton | MN | MN | Allows triple output units. See: full list. | 1,000,000 |
| |
kilonewton | kN | kN | Allows triple output units. See: full list. | 1,000 |
| |
newton | N | N | 1 |
| ||
millinewton | mN | mN | 0.001 |
| ||
micronewton | μN (uN) | µN | 0.000001 |
| ||
nanonewton | nN | nN | 0.000000001 |
| ||
cgs | megadyne | Mdyn | Mdyn | 10 | ||
kilodyne | kdyn | kdyn | 0.01 | |||
dyne | dyn (dyne) |
dyn | 0.00001 | |||
millidyne | mdyn | mdyn | 0.00000001 | |||
Metric gravitational units | tonne-force | t-f | tf | 9,806.65 | ||
tf | tf | |||||
kilogram-force | kg-f | kgf | 9.80665 | |||
kgf | kgf | |||||
gram-force | g-f | gf | 0.00980665 | |||
gf | gf | |||||
milligram-force | mg-f | mgf | 0.00000980665 | |||
mgf | mgf | |||||
Avoirdupois-based units | poundal | pdl | pdl | 0.138254954376 | ||
long ton-force | LT-f | LTf | 9,964.01641818352 |
| ||
LTf | LTf |
| ||||
short ton-force | ST-f | STf | 8,896.443230521 |
| ||
STf | STf |
| ||||
pound-force | lb-f | lbf | 4.4482216152605 | |||
lbf | lbf | |||||
grain-force | gr-f | grf | 0.0006354602307515 | |||
grf | grf |
| ||||
ENERGY (Full list) | ||||||
system | unit | unit- code |
abbrev- iation |
notes | conversion factor/J | combinations |
SI | gigajoule | GJ | GJ | 1,000,000,000 | ||
megajoule | MJ | MJ | 1,000,000 | |||
kilojoule | kJ | kJ | 1,000 | |||
hectojoule | hJ | hJ | 100 | |||
decajoule | daJ | daJ | 10 | |||
joule | J | J | 1 | |||
decijoule | dJ | dJ | 0.1 | |||
centijoule | cJ | cJ | 0.01 | |||
millijoule | mJ | mJ | 0.001 | |||
microjoule | μJ (uJ) | µJ | 0.000001 | |||
nanojoule | nJ | nJ | 0.000000001 | |||
cgs | megaerg | Merg | Merg | 0.1 | ||
kiloerg | kerg | kerg | 0.0001 | |||
erg | erg | erg | 0.0000001 | |||
Watt-hour multiples | terawatt-hour | TWh | TWh | 3.6×10 15 | ||
TW.h | TW·h | |||||
gigawatt-hour | GWh | GWh | 3.6×10 12 | |||
GW.h | GW·h | |||||
megawatt-hour | MWh | MWh | 3,600,000,000 | |||
MW.h | MW·h | |||||
kilowatt-hour | kWh | kWh | 3,600,000 | |||
kW.h | kW·h | |||||
watt-hour | Wh | Wh | 3,600 | |||
W.h | W·h | |||||
Electron- volt multiples | ||||||
gigaelectronvolt | GeV | GeV | 0.0000000001602176487 | |||
megaelectronvolt | MeV | MeV | 1.602176487×10 −13 | |||
kiloelectronvolt | keV | keV | 1.602176487×10 −16 | |||
electronvolt | eV | eV | 1.602176487×10 −19 | |||
millielectronvolt | meV | meV | 1.602176487×10 −22 | |||
Calorie multiples | calorie | Cal | Cal | The thermo-chemical calorie is the default definition. For others, see the full list. | 4,184 | |
megacalorie | Mcal | Mcal | 4,184,000 | |||
kilocalorie | kcal | kcal | 4,184 | |||
calorie | cal | cal | 4.184 | |||
millicalorie | mcal | mcal | 0.004184 | |||
pound/ ounce-foot/ inch-hour-minute-second |
foot-poundal | ftpdl | ft·pdl | 0.0421401100938048 | ||
foot-pound force | ftlbf | ft·lbf | 1.3558179483314004 | |||
ftlb-f | ft·lbf | |||||
inch-pound force | inlbf | in·lbf | 0.1129848290276167 | |||
inlb-f | in·lbf | |||||
inch-ounce force | inozf | in·ozf | 0.00706155181422604375 | |||
inoz-f | in·ozf | |||||
horsepower-hour | hph | hp·h | 2,684,519.537696172792 | |||
British thermal unit | British thermal unit | Btu | Btu | The International Steam Table British thermal unit is used. For others, see the full list. | 1,055.05585262 | |
BTU | BTU | |||||
TNT-based units | gigatonne of TNT | GtTNT | 4.1840×10 18 | |||
gigaton of TNT | GtonTNT | |||||
megatonne of TNT | MtTNT | 4.184×10 15 | ||||
megaton of TNT | MtonTNT | Mt | ||||
kilotonne of TNT | ktTNT | 4.184×10 12 | ||||
kiloton of TNT | ktonTNT | kt | ||||
tonne of TNT | tTNT | 4,184,000,000 | ||||
ton of TNT | tonTNT | |||||
Other | ||||||
Hartree | Eh | Eh | 4.35974417×10 −18 | |||
rydberg | Ry | Ry | 2.1798741×10 −18 | |||
tonne of oil equivalent | toe | toe | 41,868,000,000 | |||
barrel of oil equivalent | BOE | BOE | 6,117,863,200 | |||
cubic foot of natural gas | cuftnaturalgas (cufootnaturalgas) | Unit-code cufootnaturalgas will show "cubic foot of natural gas" if plural. | 1,055,055.85262 | |||
litre-atmosphere | latm | l·atm | 101.325 | |||
Latm | L·atm | |||||
gallon-atmosphere | impgalatm | imp gal·atm | 460.63256925 | |||
US gallon-atmosphere | USgalatm (usgalatm) |
US gal·atm | 383.5568490138 | |||
U.S.galatm (usgalatm) |
U.S. gal·atm |
| ||||
TEMPERATURE (Full list) | ||||||
system | unit | unit- code |
abbrev- iation |
notes | conversion to kelvin |
combinations |
SI | kelvin | K | K | Allows triple output units. See: full list. | [K] |
|
degree Celsius | °C (C) | °C | ([°C]+273.15) |
| ||
Imperial & US customary |
degree Rankine | °R (R) | °R | ([°R]/1.8) |
| |
degree Fahrenheit | °F (F) | °F | (([°F]+459.67)/1.8) |
| ||
Celsius change | C-change | Used for temperature intervals instead of absolute temperatures Example: {{convert|5|C-change|0}} warmer Result: 5 °C (9 °F) warmer | ||||
Fahrenheit change | F-change | Used for temperature intervals instead of absolute temperatures Example: {{convert|10|F-change|0}} colder Result: 10 °F (6 °C) colder
| ||||
MASS (Full list) | ||||||
system | unit | unit- code |
abbrev- iation |
notes | conversion factor/kg | combination output units |
SI | kilogram | kg | kg | Allows triple output units. See: full list. | 1 |
|
gram | g | g | 0.001 |
| ||
milligram | mg | mg | 0.000001 |
| ||
microgram | μg (ug) | µg | 0.000000001 | |||
non-SI metric | tonne | t | t | Allows triple output units. See: full list. | 1,000 |
|
metric ton | MT | t |
| |||
Avoirdupois | long ton | LT | 2,240 lb used mostly in the British Commonwealth. Allows triple output units. See: full list. |
1,016.0469088 |
| |
long ton | ||||||
short ton | ST | 2,000 lb used mostly in the US. Allows triple output units. See: full list. |
907.18474 |
| ||
short ton | ||||||
stone | st | st | 14 lb used mostly in the British Commonwealth except Canada. Allows triple output units. See: full list. |
6.35029318 |
| |
pound | lb | lb | Allows triple output units. See: full list. | 0.45359237 |
| |
ounce | oz | oz | 0.028349523 |
| ||
drachm | drachm | 0.001771845195 | ||||
drachm | dram | |||||
grain | gr | gr | equivalent to the troy grain | 0.00006479891 | ||
Troy | troy ounce | ozt | ozt | 0.0311034768 | ||
other | carat | carat | 0.0002 |
| ||
TORQUE (Full list) | ||||||
system | unit | unit- code |
abbrev- iation |
notes | conversion factor/N·m | combinations |
Industrial | ||||||
SI | newton metre | Nm | N·m | Triple combinations are also possible. See the full list. | 1 |
|
Non-SI metric | kilogram-meter | kg-m | kg-m | 9.80665 |
| |
Imperial & US customary |
foot-pound | ft-lb | ft-lb | 1.3558 |
| |
Scientific | ||||||
SI | newton metre | N-m | N·m | Triple combinations are also possible. See the full list. | 1 |
|
Non-SI metric | kilogram-force meter | kgf-m | kgf·m | 9.80665 |
| |
Imperial & US customary |
pound-foot | lbf-ft | lbf·ft | 1.3558 |
| |
PRESSURE | ||||||
unit | unit- code |
abbrev- iation |
conversion factor/Pa | |||
gigapascal | GPa | GPa | 1,000,000,000 | | ||
megapascal | MPa | MPa | 1,000,000 | | ||
kilopascal | kPa | kPa | 1,000 | | ||
hectopascal | hPa | hPa | 100 | | ||
pascal | Pa | Pa | 1 | | ||
millipascal | mPa | mPa | 0.001 | | ||
millibar | mbar | mbar | 100 | | ||
mb | mb | | ||||
decibar | dbar | dbar | 10,000 | | ||
bar | bar | bar | 100,000 | | ||
kilobarye | kBa | kBa | 100 | | ||
barye | Ba | Ba | 0.1 | | ||
standard atmosphere | atm | atm | 101,325 | | ||
torr | Torr | Torr | (20,265/152) | | ||
millimetre of mercury | mmHg | mmHg | 133.322387415 | | ||
inch of mercury | inHg | inHg | 3,386.388640341 | | ||
pound per square inch | psi | psi | (444,822,161.52605 / 64,516) |
|||
FUEL EFFICIENCY | ||||||
unit | unit- code |
notes | combinations | |||
kilometres per litre | km/l (km/L) | Use km/L to get "km/L"
|
| |||
litres per 100 kilometres | l/100 km (L/100 km) | Use L/100 km to get "L/100 km"
|
| |||
litres per kilometre | l/km (L/km) | Use L/km to get "L/km"
|
| |||
miles per imperial gallon | mpgimp |
| ||||
miles per US gallon | mpgus (mpgUS, mpgU.S.) | Use mpgUS to get "US"Use |
| |||
imperial gallons per mile | impgal/mi |
| ||||
US gallons per mile | usgal/mi (USgal/mi, U.S.gal/mi) | As above with the us vs US vs U.S.
|
| |||
The mpgUS , mpgU.S. , USgal/mi vs U.S.gal/mi , km/L , L/100 km and L/km variants work within combinations also (making 36 combinations in total).
| ||||||
POWER | ||||||
Watts, kilowatts, milliwatts, etc. are supported. As is horsepower (English & metric). Use standard abbreviations as input code (lowercase hp for horsepower, for example) | ||||||
POPULATION DENSITY | ||||||
unit | unit- code |
notes | combinations | |||
inhabitants per square kilometre | PD/sqkm | PD stands for population density, i.e. humans (inhabitants)
|
| |||
per square kilometre | /sqkm | Used when the word 'inhabitants' would be inappropriate. |
| |||
inhabitants per hectare | PD/ha |
| ||||
per hectare | /ha |
| ||||
inhabitants per square mile | PD/sqmi | PD stands for population density, i.e. humans (inhabitants)
|
| |||
per square mile | /sqmi | Used when the word 'inhabitants' would be inappropriate. |
| |||
inhabitants per acre | PD/acre |
| ||||
per acre | /acre |
| ||||
COST PER UNIT MASS | ||||||
unit | unit- code |
notes | combinations | |||
dollars per pound | $/lb | "$" can mean US$, HK$, etc. |
| |||
dollars per kilogram | $/kg |
| ||||
dollars per troy ounce | $/ozt | 12 troy ounces in 1 troy pound |
| |||
Examples
- Monitor quality or look at examples at {{Convert/check}}.
See also
- {{Convinfobox}} for use in infoboxes
- {{Bbl to t}} for converting barrel of oil to tonnes
- {{CwtQtrLb to kg}} for converting long hundred weights, quarters and pounds into kilograms
- {{Decdeg}} for converting degrees, minutes and seconds to decimal degrees
- {{HMS2Deg}} for converting hour angles, given in hours, minutes and seconds, to decimal degrees
- {{Miles-chains}} for converting miles and chains to kilometres linking "chains"
- {{Pop density}} for converting a population and area to a density
- {{Inflation}} for calculating inflation of Consumer Price Index related prices
- {{Metricate}}
- {{RailGauge}} for converting rail (track) gauges
- {{Convert/scale}} with custom formula for converting any linearly related units
- Bug 235: Auto unit conversion
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