Convert Watt-Hours to BTU
1 Wh = 3.4121 BTU
Conversion Table
| watt-hours (Wh) | BTU (BTU) |
|---|---|
| 0.5 | 1.7061 |
| 1 | 3.4121 |
| 2 | 6.8243 |
| 5 | 17.0606 |
| 10 | 34.1213 |
| 25 | 85.3032 |
| 50 | 170.61 |
| 100 | 341.21 |
| 250 | 853.03 |
| 500 | 1706.06 |
| 1000 | 3412.13 |
How to Convert watt-hours to BTU
To convert watt-hours to BTU, multiply the value by the conversion factor:
For example: 10 Wh = 34.1213 BTU
About watt-hours and BTU
The Conversion Formula
To convert watt-hours to BTU, multiply the value by the conversion factor: 1 Wh = 3.4121 BTU. For a worked example, suppose you need to convert 25 Wh to BTU: 25 × 3.4121 = 85.3032 BTU. To convert in the opposite direction, divide by 3.4121, or equivalently multiply by 0.293072.
About watt-hours
The watt-hour (Wh) is a smaller version of the kilowatt-hour. It is the standard for rating the capacity of batteries in laptops, smartphones, and power banks. Airlines often limit spare batteries to 100Wh for safety. watt-hours are commonly used in Laptop batteries, Power banks, Smartphone specs, and Drone batteries, Portable speakers.
A typical phone battery holds 10-15 Wh.
About BTU
The British Thermal Unit (BTU) is the imperial counterpart to the calorie. It is the heat needed to raise 1 pound of water by 1°F. Despite its name, it is almost exclusively used in the United States today, particularly for heating (furnaces) and cooling (air conditioners). BTU are commonly used in AC unit ratings, Gas grills, Furnaces, and Water heaters, Propane tanks.
Burning a single wooden match releases about 1 BTU.
When Would You Convert watt-hours to BTU?
Converting between watt-hours and btu is one of the most common energy conversions. You might need this conversion when working with international specifications, following instructions written for a different measurement system, or comparing values across different standards. Having the conversion factor (1 Wh = 3.4121 BTU) memorized or bookmarked can save time in professional and everyday contexts alike.