15 °C calories to watt-hours equation
To convert 15 °C calories to watt-hours:
Multiply the number of 15 °C calories by 0.001162638888888889
About 15 °C calories
One 15 °C calorie is the amount of energy needed to raise 1g of air-free water from 14.5 to 15.5°C at standard atmospheric pressure.