British Thermal Unit to Watt-hour Converter
1 BTU = 0.293071 Wh
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FORMULA
1 BTU = 0.293071 Wh
CONVERSION TABLE
| British Thermal Unit (BTU) | Watt-hour (Wh) |
|---|---|
| 1 BTU | 0.293071 Wh |
| 5 BTU | 1.4654 Wh |
| 10 BTU | 2.9307 Wh |
| 25 BTU | 7.3268 Wh |
| 50 BTU | 14.6536 Wh |
| 100 BTU | 29.3071 Wh |
| 250 BTU | 73.2678 Wh |
| 500 BTU | 146.5355 Wh |
| 1,000 BTU | 293.0711 Wh |
COMMON VALUES
RELATED CONVERSIONS
About British Thermal Unit (BTU)
The British Thermal Unit is the energy needed to raise one pound of water by one degree Fahrenheit. Despite being an imperial unit, the BTU remains standard in the US for rating HVAC systems (a typical home furnace produces 80,000-100,000 BTU/h) and for natural gas pricing.
About Watt-hour (Wh)
One watt sustained for one hour equals 3,600 joules. The watt-hour is used for small-scale electrical energy measurements such as battery capacity in consumer electronics. A smartphone battery typically holds 10-20 Wh, and laptop batteries range from 40 to 100 Wh.
How to Convert British Thermal Unit to Watt-hour
The conversion formula is: 1 BTU = 0.293071 Wh. To convert from British Thermal Unit (BTU) to Watt-hour (Wh), use the formula above or the interactive converter at the top of this page.
Frequently Asked Questions
How many Watt-hour in 1 British Thermal Unit?
1 British Thermal Unit (BTU) equals 0.293071 Watt-hour (Wh).
How to convert British Thermal Unit to Watt-hour?
Multiply the British Thermal Unit value by 0.293071 to get the equivalent in Watt-hour. Formula: 1 BTU = 0.293071 Wh
What is the formula for British Thermal Unit to Watt-hour conversion?
1 BTU = 0.293071 Wh
Glossary
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Calorie
A unit of energy. The small calorie (cal) heats 1g of water by 1°C; the food Calorie (kcal) is 1000 small calories.
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BTU (British Thermal Unit)
The amount of heat needed to raise the temperature of one pound of water by one degree Fahrenheit.
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Electronvolt
A unit of energy equal to the kinetic energy gained by an electron accelerated through 1 volt.
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Joule
The SI unit of energy, equal to the work done by a force of one newton acting over a distance of one meter (1 J = 1 N·m = 1 kg·m²/s²).