Kilocalories to Joules

Convert Kilocalories to Joules. 1 kcal equals 4,184 J. Type a value on either side; the formula and tables below show how it works.

kcal
J
1 Kilocalories equals
4,184J

Formula: J = kcal × 4,184. Example: 5 kcal = 20,920 J.

1 Kilocalories in every unit

Joules4,184 J
Kilojoules4.184 kJ
Calories1,000 cal
Watt-hours1.1622 Wh
Kilowatt-hours0.001162 kWh
BTU3.9657 BTU
Therms0.000039657 thm
Electronvolts26,114,473,967,543,832,805,376 eV

Kilocalories to Joules table

KilocaloriesJoules
0.1 kcal418.4 J
0.25 kcal1,046 J
0.5 kcal2,092 J
1 kcal4,184 J
2 kcal8,368 J
3 kcal12,552 J
4 kcal16,736 J
5 kcal20,920 J
10 kcal41,840 J
15 kcal62,760 J
20 kcal83,680 J
25 kcal104,600 J
50 kcal209,200 J
75 kcal313,800 J
100 kcal418,400 J
250 kcal1,046,000 J
500 kcal2,092,000 J
1,000 kcal4,184,000 J
JoulesKilocalories
0.1 J0.000023901 kcal
0.25 J0.000059751 kcal
0.5 J0.000119503 kcal
1 J0.000239006 kcal
2 J0.000478011 kcal
3 J0.000717017 kcal
4 J0.000956023 kcal
5 J0.001195 kcal
10 J0.00239 kcal
15 J0.003585 kcal
20 J0.00478 kcal
25 J0.005975 kcal
50 J0.01195 kcal
75 J0.017925 kcal
100 J0.023901 kcal
250 J0.059751 kcal
500 J0.119503 kcal
1,000 J0.239006 kcal

How to convert kilocalories to joules

J = kcal × 4,184

Multiply the value in kilocalories by 4,184. To go the other way, divide by the same number, or multiply by 0.000239006. For example, 5 kcal × 4,184 = 20,920 J.

About the units

Kilocalories (kcal). The food Calorie on nutrition labels, 4,184 joules.

Joules (J). The SI unit of energy: the work done by a force of one newton over one meter.

Other energy conversions

Joules to Kilojoules · Joules to Calories · Joules to Kilocalories · Joules to Watt-hours · Joules to Kilowatt-hours · Joules to BTU · Joules to Therms · Joules to Electronvolts · Kilojoules to Joules · Calories to Joules · Kilocalories to Joules · Kilocalories to Kilojoules · Kilocalories to Calories · Kilocalories to Watt-hours · Kilocalories to Kilowatt-hours · Kilocalories to BTU · Kilocalories to Therms · Kilocalories to Electronvolts · Watt-hours to Joules · Kilowatt-hours to Joules · BTU to Joules · Therms to Joules · Electronvolts to Joules