➤CalcGauge

1,000 Kilocalories (food) to Kilojoules

1,000 Kilocalories (food) in Kilojoules
4,184 Kilojoules
1 Kilocalories (food) = 4.184 Kilojoules

1,000 kilocalories (food) is equal to 4,184 kilojoules.

Quick reference

Kilocalories (food) Kilojoules
1 4.184
2 8.368
5 20.92
10 41.84
20 83.68
25 104.6
50 209.2
100 418.4
250 1,046
500 2,092
1,000 4,184

More energy conversions

Kilojoules → Kilocalories (food) Kilojoules → Kilocalories (food)Kilowatt-hours → BTUCalories (small) → JoulesBTU → Kilowatt-hours All converters

Frequently asked questions

What is the exact formula for Kilocalories (food) to Kilojoules?

Multiply the Kilocalories (food) value by 4.184. This comes from the exact unit definitions, not a rounded approximation.

Is this conversion exact?

The underlying ratio is exact where a legal definition exists (for example, 1 inch = 25.4 mm exactly). Displayed results are rounded to six decimal places for readability.

Can I convert Kilojoules back to Kilocalories (food)?

Yes. Use the reverse converter linked below, or just swap which field you type into: the live converter recalculates either direction.