British-thermal-unit Group | The Units and Constants Handbook at KnowledgeDoor

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	British-thermal-unit Group
	British-thermal-unit Group

Characteristic		British-thermal-unit ( International Steam Table definition )		Notes
Characteristic				Notes
Symbol	Btu
Other Names	British-thermal-unit-IT, Btu-IT, BThU, BThU-IT
Metric (SI) Equivalent	1055.0558526 joules			This equivalent and the others below are calculated from exact values.
Other Metric (SI) Equivalents with More Basic Units	1055.0558526 meter newtons
Other Metric (SI) Equivalents with More Basic Units	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)
Quantity	Energy, Work, and Heat

Characteristic		British-thermal-unit-39 ( Value at 39 °F )		Notes
Characteristic		British-thermal-unit-39 ( Value at 39 °F )		Notes
Other Names	Btu-39, BThU-39
Metric (SI) Equivalent	1059.67 joules
Other Metric (SI) Equivalents with More Basic Units	1059.67 meter newtons
Other Metric (SI) Equivalents with More Basic Units	1059.67 meter2 kilograms / second2
Metric (SI) Dimensions	length2 × mass × time-2
Quantity	Energy, Work, and Heat

Characteristic		British-thermal-unit-59 ( Value at 59 °F )		Notes
Characteristic		British-thermal-unit-59 ( Value at 59 °F )		Notes
Other Names	Btu-59, BThU-59
Metric (SI) Equivalent	1054.8 joules
Other Metric (SI) Equivalents with More Basic Units	1054.8 meter newtons
Other Metric (SI) Equivalents with More Basic Units	1054.8 meter2 kilograms / second2
Metric (SI) Dimensions	length2 × mass × time-2
Quantity	Energy, Work, and Heat

Characteristic		British-thermal-unit-60 ( Value at 60 °F )		Notes
Characteristic		British-thermal-unit-60 ( Value at 60 °F )		Notes
Other Names	Btu-60, BThU-60
Metric (SI) Equivalent	1054.68 joules
Other Metric (SI) Equivalents with More Basic Units	1054.68 meter newtons
Other Metric (SI) Equivalents with More Basic Units	1054.68 meter2 kilograms / second2
Metric (SI) Dimensions	length2 × mass × time-2
Quantity	Energy, Work, and Heat

Characteristic		British-thermal-unit-mean ( Average value from 0 °C to 100 °C )		Notes
Characteristic				Notes
Other Names	Btu-mean, BThU-mean
Metric (SI) Equivalent	1055.87 joules
Other Metric (SI) Equivalents with More Basic Units	1055.87 meter newtons
Other Metric (SI) Equivalents with More Basic Units	1055.87 meter2 kilograms / second2
Metric (SI) Dimensions	length2 × mass × time-2
Quantity	Energy, Work, and Heat

Characteristic		British-thermal-unit-th ( Thermochemical definition )		Notes
Characteristic		British-thermal-unit-th ( Thermochemical definition )		Notes
Other Names	Btu-th, BThU-th
Metric (SI) Equivalent	1054.3502645 joules			This equivalent and the others below are calculated from exact values.
Other Metric (SI) Equivalents with More Basic Units	1054.3502645 meter newtons
Other Metric (SI) Equivalents with More Basic Units	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)
Quantity	Energy, Work, and Heat

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