Convert Watt-hours to British Thermal Units
Wh to BTU · energy conversion
What are watt-hours and british thermal units?
A watt-hour is the energy of one watt sustained for one hour, equal to 3,600 J. A British thermal unit is the energy to heat one pound of water by 1 °F, used for heating and AC. For reference: a food Calorie is one kilocalorie (4,184 J), and home electricity is billed in kilowatt-hours.
How to convert watt-hours to british thermal units
1 Wh = 3.41214 BTU. To convert, multiply the number of watt-hours by 3.41214. For example, 5 Wh = 17.0607 BTU, and 20 Wh = 68.2428 BTU. To go the other way, multiply british thermal units by 0.293071 (since 1 BTU = 0.293071 Wh).
Watt-hours to British Thermal Units conversion table
| Watt-hours (Wh) | British Thermal Units (BTU) |
|---|---|
| 1 | 3.41214 |
| 10 | 34.1214 |
| 100 | 341.214 |
| 500 | 1,706.07 |
| 1,000 | 3,412.14 |
| 2,000 | 6,824.28 |
| 5,000 | 17,060.7 |
FAQ
What is 1 Wh in BTU?
1 Wh = 3.41214 BTU. To convert any amount, multiply the number of watt-hours by 3.41214.
How do I convert british thermal units back to watt-hours?
Go the other way: 1 BTU = 0.293071 Wh, so multiply british thermal units by 0.293071 to get watt-hours.
Is a watt-hour bigger than a british thermal unit?
Yes — 1 Wh is the larger unit, equal to 3.41214 BTU.
Are these energy conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.