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unit of measure: the base unit | the supplementary unit | the derived unit

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unit

Specific energy, heat

per mass

Definition

The specific energy, heat (per mass) is the physical measure, which defines the amount of heat assigned or removed from a substance, body or system relative to its mass.

1 joule per kilogram is the specific value of heat of a substance, body or environment weighing 1 kilogram, which is assigned or removed a quantity of heat equal to 1 joule.

 

system of units:   SI;
statute:   derived unit;
name the value:   λm;
unit name:   joul pe kilogram;
symbol unit:   J/kg;
relationship of definition:   λm=E/m;
dimension:   L2 T-2;
expression in other units:   Btu/lb, cal/g;

Online converter

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Units of measurement

namesymbol value in SI unit:
J/kg
note
1 BtuIT per poundBtuIT/lb= 2 326(1), (2)
1 Btuth per poundBtuth/lb≈ 2 324.444(1), (3)
1 calorieIT per gramcalIT/g= 4 186.8(2)
1 calorieIT per kilogramcalIT/kg= 4.186 8(2)
1 calorieth per gramcalth/g= 4 184(3)
1 calorieth per kilogramcalth/kg= 4.184(3)

Note:

(1) - Btu - British thermal unit;

(2) - IT - common unit, international;

(3) - th - thermochemical unit;