Energy Converter

Convert between chemical, electrical and physical energy units.

Energy
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Formula

cal = J × 0.2390057361

Example

Example: convert 5000.000000000001 joules to calories.

5000.000000000001 J = 1195.02868069 cal

Conversion table

joules (J) calories (cal)
1 J 0.23900574 cal
2 J 0.47801147 cal
5 J 1.19502868 cal
10 J 2.39005736 cal
20 J 4.78011472 cal
50 J 11.95028681 cal
100 J 23.90057361 cal

Explanation

These are both units.

How to convert joules to calories

  1. Start with the value in joules (J).
  2. Multiply it by 0.2390057361.
  3. The result is the measurement in calories (cal).

Example: 5000.000000000001 J → 1195.02868069 cal

Frequently Asked Questions

How do you convert joules to calories?

Divide joules by 4.184 to get calories.

How many joules are in 1 kWh?

1 kilowatt-hour equals 3.6 million joules.

How do you convert calories to joules?

Multiply calories by 4.184 to get joules.

What energy units can I convert here?

This converter supports joules, kilojoules, watt-hours, kilowatt-hours, calories, kilocalories, BTU, electronvolts, and more.

What is a kilowatt-hour?

A kilowatt-hour is a unit of energy commonly used for electricity usage and billing.

How many calories are in 100 joules?

100 joules equal about 23.9 small calories.

Can I convert BTU and kWh here?

Yes. This converter supports both BTU and kilowatt-hours.

Is energy conversion useful for electricity and heating?

Yes. Energy conversion is useful for power usage, food energy, physics, and heating systems.

What’s the difference between a calorie and a Calorie?

A small calorie (cal) is used in physics. A food Calorie (Cal) is a kilocalorie: 1 Cal = 1 kcal = 4,184 J.

How many BTU are in 1 kWh?

1 kWh equals about 3,412.14 BTU (IT).