Energy Converter

Convert between chemical, electrical and physical energy units.

Energy
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Related Conversions
1 kJ to kcal 10 kJ to kcal 250 kJ to kcal 500 kJ to kcal 768 kJ to kcal 1,152 kJ to kcal 1,536 kJ to kcal 1,920 kJ to kcal 9,600 kJ to kcal 19,200 kJ to kcal 50,000 kJ to kcal 100,000 kJ to kcal
Reverse Conversions
1 kcal to kJ 5 kcal to kJ 250 kcal to kJ 1,000 kcal to kJ 1,056 kcal to kJ 1,152 kcal to kJ 1,536 kcal to kJ 2,304 kcal to kJ 3,840 kcal to kJ 5,000 kcal to kJ 9,600 kcal to kJ 50,000 kcal to kJ
More Energy Conversions
1 GJ to MJ 1 MJ to BTU 100 J to cal 1 GJ to kWh 2 GJ to MJ 2 MJ to BTU 100 kJ to kcal 1 MJ to kWh 10,000 J to kJ

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Popular Conversions

Kilowatt-Hours to Megajoules Megajoules to Kilowatt-Hours Joules to Calories Kilocalories to Kilojoules British Thermal Units to Joules Watt-Hours to Joules

Common Benchmarks

Microwave 10 minutes 0.17 kWh
Cup of coffee 5 kJ
Slice of bread 330 kJ
Boil 1 liter water 334 kJ
1 kWh 3.6 MJ
100 W bulb for 1 hour 0.1 kWh

Formula

kcal = kJ × 0.2390057361

Example

Example: convert 960 kilojoules to kilocalories.

960 kJ = 229.44550669 kcal

Conversion table

kilojoules (kJ) kilocalories (kcal)
1 kJ 0.23900574 kcal
2 kJ 0.47801147 kcal
5 kJ 1.19502868 kcal
10 kJ 2.39005736 kcal
20 kJ 4.78011472 kcal
50 kJ 11.95028681 kcal
100 kJ 23.90057361 kcal

Explanation

These are both units.

How to convert kilojoules to kilocalories

  1. Start with the value in kilojoules (kJ).
  2. Multiply it by 0.2390057361.
  3. The result is the measurement in kilocalories (kcal).

Example: 960 kJ → 229.44550669 kcal

Frequently Asked Questions

How much is 960 kilojoules in kilocalories?

960 kilojoules is about 229.446 kilocalories.

How many kilocalories is 1 kilojoule?

1 kilojoule equals 0.239005736138 kilocalories.

How many kilojoules is 1 kilocalorie?

1 kilocalorie equals 4.184 kilojoules.

What is the difference between kilojoules and kilocalories?

Both measure energy in SI. The main difference is usually scale: some units are convenient for smaller values, while others are used to express larger values more practically.

Where are kilojoules and kilocalories used?

They are used in physics and engineering to measure work, energy, and heat; the most practical unit depends on the magnitude.

Why does 1 kilojoule equal 0.239005736138 kilocalories?

Because the units are defined with a fixed relationship. To convert kilojoules to kilocalories, multiply by that factor.