Joules to Kilocalories

1 J = 0.0002390057 kcal

How to convert joules to kilocalories

kcal = J × 0.0002390057

Equivalently: kcal = J ÷ 4,184.

Example: 5 J = 0.001195029 kcal

Joules to Kilocalories conversion table

Joules (J)Kilocalories (kcal)
1 J0.0002390057 kcal
2 J0.0004780115 kcal
3 J0.0007170172 kcal
4 J0.0009560229 kcal
5 J0.001195029 kcal
6 J0.001434034 kcal
7 J0.00167304 kcal
8 J0.001912046 kcal
9 J0.002151052 kcal
10 J0.002390057 kcal
15 J0.003585086 kcal
20 J0.004780115 kcal
25 J0.005975143 kcal
30 J0.007170172 kcal
40 J0.009560229 kcal
50 J0.01195029 kcal
75 J0.01792543 kcal
100 J0.02390057 kcal
250 J0.05975143 kcal
500 J0.1195029 kcal
1,000 J0.2390057 kcal

About the units

Joules: The joule is the SI unit of energy, equal to the work done by a force of one newton over one meter.

Kilocalories: The kilocalorie, written "Calorie" on food labels, is the energy needed to heat 1 kg of water by 1 °C. This converter uses the thermochemical value of 4,184 joules.

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Frequently asked questions

How many kilocalories are in 1 joule?

1 joule equals 0.0002390057 kilocalories.

How many joules are in 1 kilocalorie?

1 kilocalorie equals 4,184 joules.

How do I convert joules to kilocalories?

Use the formula kcal = J × 0.0002390057. Equivalently, kcal = J ÷ 4,184.

What is 10 joules in kilocalories?

10 joules equals 0.002390057 kilocalories.

Related conversions

Factors: NIST SP 811 · SI Brochure · NIST Handbook 44 — Updated