Calories to Btu (mean) conversion

There is more than one type of Calories. Please use the appropriate variation from the list below.

  1. Calories (15°C,CIPM, 1950) to Btu (mean)

  2. Calories (15 °C, NBS 1939) to Btu (mean)

  3. Calories (20°C) to Btu (mean)

  4. Calories (I.T.) to Btu (mean)

  5. Calories (Kilogram,I.T.) to Btu (mean)

  6. Calories (Kilogram,mean) to Btu (mean)

  7. Calories (Kilogram,thermoc.) to Btu (mean)

  8. Calories (mean) to Btu (mean)

  9. Calories (nutritional) to Btu (mean)

  10. Calories (thermoc.) to Btu (mean)

Calories

A calorie is the amount of energy it takes to warm 1 gram of water by 1° C. One calorie is equal to 4.184 joules

Btu (mean)

One BTU is the energy required to heat 1 avoirdupois pound of liquid water by 1 degree Fahrenheit, at a pressure of one atmosphere. The Btu (mean) uses a result averaged over water temperatures 0 to 100 °C (32.0 to 212.0 °F) which is approx. 1055.87 J