Converters
12
British thermal units to Watt-hours Converter
Convert british thermal units to watt-hours instantly with the formula, worked examples, rounding guidance, and related energy conversions.
Units
85
Mode
Live
Pair-specific conversion guide
British thermal unit to Watt-hour formula
Use this British thermal unit to Watt-hour page for direct energy conversions. The calculator keeps the exact BTU to Wh relationship on the page, so the result, formula, and examples all describe this specific pair.
Formula model
1 BTU = 0.293071070172 Wh
1 British thermal unit equals
Quick factor: 1 BTU = 0.293071070172 Wh.
The current calculator value is 1 BTU, which equals 0.293071070172 Wh.
Use the conversion table to compare 1 BTU with the other units in the same category.
Energy units can describe electricity, heat, or nutrition, so retain the unit symbol with every result.
Precision and rounding
The calculation uses the catalog's fixed conversion factors between BTU and Wh. Full decimal precision is kept for the calculation; only the displayed value is rounded for readability.
Reference: NIST conversion factorsEnergy
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Watt-hours to British thermal units Converter
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Conversion table
1 British thermal unit equals
| Unit | Value |
|---|---|
| Joule J | 1055.05585262 |
| Kilojoule kJ | 1.05505585262 |
| Calorie cal | 252.164400722 |
| Kilocalorie kcal | 0.252164400722 |
| Watt-hour Wh | 0.293071070172 |
| Kilowatt-hour kWh | 0.000293071070172 |
FAQ
British thermal unit to Watt-hour questions
How do you convert British thermal unit to Watt-hour?
Use the formula 1 BTU = 0.293071070172 Wh. As a quick check, 1 BTU equals 0.293071070172 Wh.
Is the British thermal unit to Watt-hour conversion exact?
This page uses fixed constants from the Converter Science catalog. Displayed results are rounded only to keep the page readable.