Therm to Calories (15 °C, NBS 1939) conversion

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

  1. Therms (EC) to Calories (15 °C, NBS 1939)

    ConvertTable

  2. Therms (US) to Calories (15 °C, NBS 1939)

    ConvertTable

  3. Therms (UK) to Calories (15 °C, NBS 1939)

    ConvertTable

Therm

Calories (15 °C, NBS 1939)

The National Bureau of Standards (NBS, now known as The National Institute of Standards and Technology) defined the cal15 as being the ammount of energy needed to warm 1g of water from 14.5°C to 15.5°C