Btu to Kilowatt Hours converter

BTU to kWh — 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 Kilowatt Hours: 1 kcal = 4,184 J

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

Quick Reference: Btu to Kilowatt Hours

BtuKilowatt Hours
1 BTU0.000293 kWh
5 BTU0.001465 kWh
10 BTU0.002931 kWh
25 BTU0.007327 kWh
50 BTU0.014654 kWh
100 BTU0.029307 kWh
500 BTU0.146536 kWh
1,000 BTU0.293072 kWh

Frequently Asked Questions

How do I convert Btu to Kilowatt Hours?

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 kWh?

1 BTU equals 0.000293 kWh. 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.