Watt-hour to British Thermal Unit Converter
1 Wh = 3.4121 BTU
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FORMULA
1 Wh = 3.4121 BTU
CONVERSION TABLE
| Watt-hour (Wh) | British Thermal Unit (BTU) |
|---|---|
| 1 Wh | 3.4121 BTU |
| 5 Wh | 17.0607 BTU |
| 10 Wh | 34.1214 BTU |
| 25 Wh | 85.3035 BTU |
| 50 Wh | 170.6071 BTU |
| 100 Wh | 341.2142 BTU |
| 250 Wh | 853.0354 BTU |
| 500 Wh | 1,706.07 BTU |
| 1,000 Wh | 3,412.14 BTU |
COMMON VALUES
RELATED CONVERSIONS
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.
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.
How to Convert Watt-hour to British Thermal Unit
The conversion formula is: 1 Wh = 3.4121 BTU. To convert from Watt-hour (Wh) to British Thermal Unit (BTU), use the formula above or the interactive converter at the top of this page.
Frequently Asked Questions
How many British Thermal Unit in 1 Watt-hour?
1 Watt-hour (Wh) equals 3.4121 British Thermal Unit (BTU).
How to convert Watt-hour to British Thermal Unit?
Multiply the Watt-hour value by 3.4121 to get the equivalent in British Thermal Unit. Formula: 1 Wh = 3.4121 BTU
What is the formula for Watt-hour to British Thermal Unit conversion?
1 Wh = 3.4121 BTU
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).