Btu to Joules converter

BTU to J — 1 kcal = 4,184 J

Convert Btu to all units

J Joules
kJ Kilojoules
cal Calories
kcal Kilocalories
Wh Watt Hours
kWh Kilowatt Hours
eV Electronvolts
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Conversion Formula

Btu to Joules: 1 kcal = 4,184 J

Example: To convert 500 kcal to joules: 500 × 4,184 = 2,092,000 J

Quick Reference: Btu to Joules

BtuJoules
1 BTU1,055.06 J
5 BTU5,275.3 J
10 BTU10,550.6 J
25 BTU26,376.5 J
50 BTU52,753 J
100 BTU105,506 J
500 BTU527,530 J
1,000 BTU1,055,060 J

Frequently Asked Questions

How do I convert Btu to Joules?

Multiply your btu value by the conversion factor. To convert 500 kcal to joules: 500 × 4,184 = 2,092,000 J. You can also use the converter above for instant results.

What is BTU in J?

1 BTU equals 1,055.06 J. This is based on the standard conversion factor: 1 kcal = 4,184 J.

Is this converter accurate?

Yes. ConvertFast uses precise conversion factors computed client-side in your browser. Results are accurate to 6 significant digits, which covers all practical use cases.