20 °C calories to 4 °C calories equation
To convert 20 °C calories to 4 °C calories:
Multiply the number of 20 °C calories by 0.9947668886774502
About 20 °C calories
One 20 °C calorie is the amount of energy needed to raise 1g of air-free water from 19.5 to 20.5°C at standard atmospheric pressure.
About 4 °C calories
One 4 °C calorie is the amount of energy needed to raise 1g of air-free water from 3.5 to 4.5°C at standard atmospheric pressure.