Energy Converter (Joules to Calories) Formula

Understand the math behind the energy converter (joules to calories). Each variable explained with a worked example.

Use the Energy Converter (Joules to Calories)

Formulas Used

Calories

calories = value * 0.239006

Kilowatt-Hours

kwh = value / 3600000

Variables

VariableDescriptionDefault
valueEnergy(J)4184

How It Works

How to Convert Joules to Calories

Formulas

Calories = Joules × 0.239006

kWh = Joules / 3,600,000

1 joule equals 0.239006 calories. 1 kilocalorie (food calorie) equals 4,184 joules.

Worked Example

Convert 4184 joules to calories and kWh.

value = 4184
  1. 01Calories = 4184 × 0.239006 = 1000.02 cal (approximately 1 kcal)
  2. 02kWh = 4184 / 3600000 = 0.00116222 kWh

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