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Energy, Work, and Heat

Characteristic

barrel-oil-equivalent

Notes

Symbol

BOE

Other Name

bboe

Metric (SI) Equivalent

6.12 gigajoules

Other Metric (SI) Equivalents with More Basic Units

6.12 giganewton meters

6.12×109 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Characteristic

Board-of-Trade-unit

Notes

Symbol

BOT

Metric (SI) Equivalent

3.6 megajoules

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

3.6 meganewton meters

3.6×106 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Characteristic

British-thermal-unit

( International Steam Table definition )

Notes

Symbol

Btu

Other Names

British-thermal-unit-IT, Btu-IT, BThU, BThU-IT

Metric (SI) Equivalent

1.0550558526 kilojoules

This equivalent and the others below are calculated from exact values.

Other Metric (SI) Equivalents with More Basic Units

1.0550558526 kilonewton meters

1055.0558526 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Description in Terms of Other Units and Constants

calorie (pound-mass / gram) (degree-Fahrenheit / degree-Celsius)

Unit Group

British-thermal-unit Group

Characteristic

British-thermal-unit-39

( Value at 39 °F )

Notes

Other Names

Btu-39, BThU-39

Metric (SI) Equivalent

1.05967 kilojoules

Other Metric (SI) Equivalents with More Basic Units

1.05967 kilonewton meters

1059.67 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Unit Group

British-thermal-unit Group

Characteristic

British-thermal-unit-59

( Value at 59 °F )

Notes

Other Names

Btu-59, BThU-59

Metric (SI) Equivalent

1.0548 kilojoules

Other Metric (SI) Equivalents with More Basic Units

1.0548 kilonewton meters

1054.8 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Unit Group

British-thermal-unit Group

Characteristic

British-thermal-unit-60

( Value at 60 °F )

Notes

Other Names

Btu-60, BThU-60

Metric (SI) Equivalent

1.05468 kilojoules

Other Metric (SI) Equivalents with More Basic Units

1.05468 kilonewton meters

1054.68 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Unit Group

British-thermal-unit Group

Characteristic

British-thermal-unit-mean

( Average value from 0 °C to 100 °C )

Notes

Other Names

Btu-mean, BThU-mean

Metric (SI) Equivalent

1.05587 kilojoules

Other Metric (SI) Equivalents with More Basic Units

1.05587 kilonewton meters

1055.87 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Unit Group

British-thermal-unit Group

Characteristic

British-thermal-unit-th

( Thermochemical definition )

Notes

Other Names

Btu-th, BThU-th

Metric (SI) Equivalent

1.0543502645 kilojoules

This equivalent and the others below are calculated from exact values.

Other Metric (SI) Equivalents with More Basic Units

1.0543502645 kilonewton meters

1054.3502645 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Description in Terms of Other Units and Constants

calorie-th (pound-mass / gram) (degree-Fahrenheit / degree-Celsius)

Unit Group

British-thermal-unit Group

Characteristic

calorie

( International Steam Table definition )

Notes

Symbol

cal

Other Names

gram-calorie, petit-calorie, small-calorie, calorie-IT, gram-calorie-IT, petit-calorie-IT, small-calorie-IT

Metric (SI) Equivalent

4.1868 joules

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

4.1868 newton meters

4.1868 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Unit Group

calorie Group

Characteristic

calorie-15

( Value at 15 °C )

Notes

Other Names

cal-15, gram-calorie-15, petit-calorie-15, small-calorie-15

Metric (SI) Equivalent

4.1858 joules

Other Metric (SI) Equivalents with More Basic Units

4.1858 newton meters

4.1858 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Unit Group

calorie Group

Characteristic

calorie-20

( Value at 20 °C )

Notes

Other Names

cal-20, gram-calorie-20, petit-calorie-20, small-calorie-20

Metric (SI) Equivalent

4.1819 joules

Other Metric (SI) Equivalents with More Basic Units

4.1819 newton meters

4.1819 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Unit Group

calorie Group

Characteristic

calorie-mean

( Average value from 0 °C to 100 °C )

Notes

Other Names

cal-mean, gram-calorie-mean, petit-calorie-mean, small-calorie-mean

Metric (SI) Equivalent

4.19002 joules

Other Metric (SI) Equivalents with More Basic Units

4.19002 newton meters

4.19002 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Unit Group

calorie Group

Characteristic

calorie-th

( Thermochemical definition )

Notes

Other Names

cal-th, gram-calorie-th, petit-calorie-th, small-calorie-th

Metric (SI) Equivalent

4.184 joules

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

4.184 newton meters

4.184 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Unit Group

calorie Group

Characteristic

Celsius-heat-unit

( International Steam Table definition )

Notes

Symbol

Chu

Other Names

Celsius-heat-unit-IT, centigrade-heat-unit

Metric (SI) Equivalent

1.8991005 kilojoules

Other Metric (SI) Equivalents with More Basic Units

1.8991005 kilonewton meters

1899.1005 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Unit Group

Celsius-heat-unit Group

Characteristic

Celsius-heat-unit-mean

( Average value from 0 °C to 100 °C )

Notes

Other Names

Chu-mean, centigrade-heat-unit-mean

Metric (SI) Equivalent

1.900566 kilojoules

Other Metric (SI) Equivalents with More Basic Units

1.900566 kilonewton meters

1900.566 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Unit Group

Celsius-heat-unit Group

Characteristic

Celsius-heat-unit-th

( Thermochemical definition )

Notes

Other Names

Chu-th, centigrade-heat-unit-th

Metric (SI) Equivalent

1.8978305 kilojoules

Other Metric (SI) Equivalents with More Basic Units

1.8978305 kilonewton meters

1897.8305 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Unit Group

Celsius-heat-unit Group

Characteristic

electron-mass-energy-equivalent

Notes

Other Name

natural-unit-of-energy

Metric (SI) Equivalent

8.18710506×10-14 joules

Other Metric (SI) Equivalents with More Basic Units

8.18710506×10-14 newton meters

8.18710506×10-14 meter2 kilograms / second2

Standard Uncertainty

± 3.6×10-21 joules

Metric (SI) Dimensions

length2 × mass × time-2

Characteristic

electron-volt

Notes

Symbol

eV

Other Name

equivalent-volt

Metric (SI) Equivalent

1.602176565×10-19 joules

Other Metric (SI) Equivalents with More Basic Units

1.602176565×10-19 newton meters

1.602176565×10-19 meter2 kilograms / second2

Standard Uncertainty

± 3.5×10-27 joules

Metric (SI) Dimensions

length2 × mass × time-2

Characteristic

erg

Notes

Metric (SI) Equivalent

100 nanojoules

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

100 nanonewton meters

1×10-7 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Characteristic

foot-poundal

Notes

Other Name

ft-pdl

Metric (SI) Equivalent

4.2140110094 centijoules

This equivalent and the others below are calculated from exact values.

Other Metric (SI) Equivalents with More Basic Units

4.2140110094 centinewton meters

0.042140110094 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Description in Terms of Other Units and Constants

foot poundal

Characteristic

foot-pound-force

Notes

Other Names

ft-lbf, foot-pound, ft-lb, duty

Metric (SI) Equivalent

1.3558179483 joules

This equivalent and the others below are calculated from exact values.

Other Metric (SI) Equivalents with More Basic Units

1.3558179483 newton meters

1.3558179483 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Description in Terms of Other Units and Constants

foot pound-force

Characteristic

hartree

Notes

Symbol

Eh

Use "E-h" for our conversion calculators.

Other Names

Hartree-energy, atomic-unit-of-energy, double-Rydberg

Metric (SI) Equivalent

4.35974434×10-18 joules

Other Metric (SI) Equivalents with More Basic Units

4.35974434×10-18 newton meters

4.35974434×10-18 meter2 kilograms / second2

Standard Uncertainty

± 1.9×10-25 joules

Metric (SI) Dimensions

length2 × mass × time-2

Characteristic

joule

Notes

Symbol

J

Metric (SI) Equivalent

joule is a metric unit (in fact, it is a derived SI unit)

Other Metric (SI) Equivalents with More Basic Units

1 newton meter

1 meter2 kilogram / second2

Metric (SI) Dimensions

length2 × mass × time-2

Characteristic

kilocalorie

( The "nutritional" or "diet" calorie—International Steam Table definition )

Notes

Symbol

kcal

Other Names

Calorie, kilogram-calorie, grand-calorie, large-calorie, major-calorie, Calorie-IT, kilocalorie-IT, kilogram-calorie-IT, grand-calorie-IT, large-calorie-IT, major-calorie-IT

Metric (SI) Equivalent

4.1868 kilojoules

This equivalent and the others below are calculated from exact values.

Other Metric (SI) Equivalents with More Basic Units

4.1868 kilonewton meters

4186.8 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Description in Terms of Other Units and Constants

1000 calories

Unit Group

kilocalorie Group

Characteristic

kilocalorie-mean

( The "nutritional" or "diet" calorie—Average value from 0 °C to 100 °C )

Notes

Other Names

kcal-mean, Calorie-mean, kilogram-calorie-mean, grand-calorie-mean, large-calorie-mean, major-calorie-mean

Metric (SI) Equivalent

4.19002 kilojoules

Other Metric (SI) Equivalents with More Basic Units

4.19002 kilonewton meters

4190.02 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Description in Terms of Other Units and Constants

1000 calories-mean

Unit Group

kilocalorie Group

Characteristic

kilocalorie-th

( The "nutritional" or "diet" calorie—Thermochemical definition )

Notes

Other Names

kcal-th, Calorie-th, kilogram-calorie-th, grand-calorie-th, large-calorie-th, major-calorie-th

Metric (SI) Equivalent

4.184 kilojoules

This equivalent and the others below are calculated from exact values.

Other Metric (SI) Equivalents with More Basic Units

4.184 kilonewton meters

4184 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Description in Terms of Other Units and Constants

1000 calories-th

Unit Group

kilocalorie Group

Characteristic

kilogram-force-meter

Notes

Symbol

kgfm

Metric (SI) Equivalent

9.80665 joules

This equivalent and the others below are calculated from exact values.

Other Metric (SI) Equivalents with More Basic Units

9.80665 newton meters

9.80665 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Description in Terms of Other Units and Constants

kilogram-force meter

Characteristic

kilowatt-hour

Notes

Symbol

kWh

Metric (SI) Equivalent

3.6 megajoules

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

3.6 meganewton meters

3.6×106 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Characteristic

liter-atmosphere

Notes

Symbol

latm

Metric (SI) Equivalent

101.325 joules

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

101.325 newton meters

101.325 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Characteristic

micri-erg

Notes

Metric (SI) Equivalent

1 zeptojoule

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

1 zeptonewton meter

1×10-21 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Characteristic

neutron-mass-energy-equivalent

Notes

Metric (SI) Equivalent

1.505349631×10-10 joules

Other Metric (SI) Equivalents with More Basic Units

1.505349631×10-10 newton meters

1.505349631×10-10 meter2 kilograms / second2

Standard Uncertainty

± 6.6×10-18 joules

Metric (SI) Dimensions

length2 × mass × time-2

Characteristic

proton-mass-energy-equivalent

Notes

Metric (SI) Equivalent

1.503277484×10-10 joules

Other Metric (SI) Equivalents with More Basic Units

1.503277484×10-10 newton meters

1.503277484×10-10 meter2 kilograms / second2

Standard Uncertainty

± 6.6×10-18 joules

Metric (SI) Dimensions

length2 × mass × time-2

Characteristic

quad

Notes

Metric (SI) Equivalent

1.0550558526 exajoules

This equivalent and the others below are calculated from exact values.

Other Metric (SI) Equivalents with More Basic Units

1.0550558526 exanewton meters

1.0550558526×1018 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Description in Terms of Other Units and Constants

1×1015 British-thermal-units

Characteristic

therm

( Used in the United States )

Notes

Metric (SI) Equivalent

105.4804 megajoules

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

105.4804 meganewton meters

1.054804×108 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Unit Group

therm Group

Characteristic

therm-EU

( Used in the European Union )

Notes

Metric (SI) Equivalent

105.506 megajoules

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

105.506 meganewton meters

1.05506×108 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Unit Group

therm Group

Characteristic

therm-UK

( Used in the United Kingdom )

Notes

Metric (SI) Equivalent

105.50558526 megajoules

Other Metric (SI) Equivalents with More Basic Units

105.50558526 meganewton meters

1.0550558526×108 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2

Unit Group

therm Group

Characteristic

ton-of-TNT

Notes

Metric (SI) Equivalent

4.184 gigajoules

This equivalent and the others below are exact.

Other Metric (SI) Equivalents with More Basic Units

4.184 giganewton meters

4.184×109 meter2 kilograms / second2

Metric (SI) Dimensions

length2 × mass × time-2