Kilojoules to Kilocalories

1 kJ = 0.239005736138 kcal

Converter Calculator

1 Kilojoules (kJ) = 0.239006 Kilocalories (kcal)

Explanation

Multiply by 0.2390057361376673 (derived from joules) because 1 kJ = 1000 J and 1 kcal = 4184 J.

Common Conversion Values

Kilojoules (kJ)Kilocalories (kcal)
1 0.239006
5 1.195029
10 2.390057
100 23.900574
1,000 239.005736
3,600 860.42065
10,000 2,390.057361
1,000,000 239,005.736138

How to use this hub

  1. Choose a converter family.
  2. If converting to/from grams from a volume unit, select an ingredient.
  3. For pure unit changes (volume↔volume or weight↔weight), use universal conversions.

If your conversion includes grams, you’ll choose an ingredient; otherwise you won’t.

Frequently Asked Questions

What defines this conversion?

The factor is derived from exact joule-based energy definitions.

Is the reverse conversion available?

Yes. Use the switch button or open the Kilocalories (kcal) to Kilojoules (kJ) hub to view the mirror conversion.

Can I use decimals?

Yes. Decimal inputs are supported so fractional energy values remain precise in calculator output.