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Convert BTU to Watt-hours

BTU to Watt-hours conversion table

BTU (BTU)Watt-hours (Wh)
1 BTU0.293072 Wh
2 BTU0.586144 Wh
5 BTU1.465361 Wh
10 BTU2.930722 Wh
25 BTU7.326806 Wh
50 BTU14.653611 Wh
100 BTU29.307222 Wh
200 BTU58.614444 Wh
500 BTU146.536111 Wh
1000 BTU293.072222 Wh

How to convert btu to watt-hours

The BTU-to-Wh conversion appears often when working with energy data across different unit systems. Energy conversions connect food nutrition labels (calories), electricity bills (kWh), and scientific measurements in joules or BTU.

To convert, multiply the btu value by 0.293072. Written as an equation: Wh = BTU × 0.293072.

One btu equals approximately 0.293072 Wh. This means you can multiply any BTU value by 0.293072 to get the equivalent in Wh.

Worked example: 10 BTU = 2.930722 Wh. Enter your own value in the converter above for instant results.

Common mistake: Food calories on nutrition labels are actually kilocalories (kcal), which confuses many people when comparing to joules or watt-hours.

Bookmark this page for quick BTU to Wh conversions, or use the swap button to reverse the direction and convert Wh back to BTU.

Related conversions

Watt-hours to BTU

Frequently asked questions

1 BTU equals 0.293072 Wh.

Multiply the btu value by 0.293072.

10 BTU = 2.930722 Wh.