Kilowatt-hour to British Thermal Unit

Free instant kilowatt-hour to british thermal unit converter. 1 kWh = 3412.14 BTU.

3412.14
Formula
1 kWh = 3412.14 BTU

Common Kilowatt-hour to British Thermal Unit values

Kilowatt-hour (kWh)British Thermal Unit (BTU)
13412.14
517060.7
1034121.4
2585303.5
50170607
100341214
5001706070
10003412140

How does Kilowatt-hour to British Thermal Unit conversion work?

Type a value in the Kilowatt-hour (kWh) field and the equivalent in British Thermal Unit (BTU) appears instantly to the right. The math uses the exact formula shown above — no rounding errors, no approximations beyond standard floating-point precision. Use the swap button to flip the units and see the inverse conversion.

Kilowatt-hour. The standard residential electricity unit. 1 kWh = running a 1,000-watt appliance for 1 hour.

British Thermal Unit. The energy needed to raise 1 pound of water by 1°F. Common in heating/cooling system ratings.

⚡ Instant results

No submit button — the result updates as you type. Math runs entirely in your browser, so it’s as fast as your device.

📱 Use on any device

Works in any modern browser — Mac, Windows, Linux, iPhone, Android, tablets. No installation, no signup.

🎯 Accurate conversions

Conversion factors come from the official standard (NIST, BIPM, ISO definitions where applicable). Values are precise to standard floating-point limits.

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Free, every time. No account, no email, no “trial” that becomes paid. Ad-supported so you never have to pay.

Frequently asked

What is the formula for converting Kilowatt-hour to British Thermal Unit?+
The formula is: 1 kWh = 3412.14 BTU. Type any value into the calculator above and the result appears instantly.
How do I convert British Thermal Unit back to Kilowatt-hour?+
Click the swap button (⇄) above to go to the British Thermal Unit → Kilowatt-hour converter, or use the inverse formula derived from the one shown.

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