BTU to Watt-Hour Converter
Convert BTU to watt-hour instantly.
Standard energy units
joule 105506
kilojoule 105.506
calorie 25216.539
kilocalorie 25.217
watt-hour 29.307
kilowatt-hour 0.0293
Fun comparisons
apples eaten 🍎~ 0.3
hours of 100W bulb 💡~ 0.29
marathons run 🏃~ 0.04
full car tanks of fuel ⛽~ Less than 0.01
How to convert btu to watt-hour
Enter your energy value in btu and see the result in watt-hour instantly. Key reference points: 1 food Calorie equals 1 kcal (4.184 kJ), and 1 kilowatt-hour equals 3600 kJ (860 kcal).
BTU is the US unit for heating and cooling energy; watt-hour is the metric electrical energy unit. One BTU equals approximately 0.293 watt-hours.
Need the opposite direction? Convert watt-hour to btu just as easily, or explore all our energy conversions.
Common BTU to watt-hour conversions
| BTU (BTU) | Watt-Hour (Wh) |
|---|---|
| 1 | 0.293072 |
| 5 | 1.46536 |
| 10 | 2.93072 |
| 25 | 7.32681 |
| 50 | 14.6536 |
| 100 | 29.3072 |
| 500 | 146.536 |
| 1000 | 293.072 |
Frequently asked questions
1 BTU equals 0.293072 watt-hour.
Multiply by 0.293072. For example, 5 BTU = 1.46536 Wh.
3412 BTU equals approximately 1000 watt-hours (1 kWh).
1 watt-hour equals 3.41213 BTU.
100 BTU equals 29.3072 watt-hour.