Watts to BTU/h Converter
1 watt = 3.41214 BTU per hour.
Enter a value
Result
1 watt =
3.41214 BTU/hour
1 Watt (W) × 3.41214 = 3.41214 BTU/hour
The working
- 1. Convert 1 Watt (W) to watts: 1 × 1 = 1.
- 2. Convert to BTU/hour: 1 ÷ 0.293071 = 3.41214.
1 Watt (W) in every unit
Everyday power levels
- LED light bulb
- 10 W
- Electric kettle
- 2,000 W
- Small car engine
- 75 kW ≈ 100 hp
- Window air conditioner
- 5,000 BTU/h ≈ 1.5 kW
- Wind turbine
- 3 MW
- Large power station
- 1,000 MW
Conversion table
Watts to BTU per hour
| Watts | BTU per hour |
|---|---|
| 100 | 341.21 |
| 500 | 1,706.1 |
| 750 | 2,559.1 |
| 1,000 | 3,412.1 |
| 1,500 | 5,118.2 |
| 2,000 | 6,824.3 |
| 2,500 | 8,530.4 |
| 3,000 | 10,236 |
| 3,500 | 11,942 |
| 5,000 | 17,061 |
BTU per hour to Watts
| BTU per hour | Watts |
|---|---|
| 100 | 29.307 |
| 500 | 146.54 |
| 750 | 219.8 |
| 1,000 | 293.07 |
| 1,500 | 439.61 |
| 2,000 | 586.14 |
| 2,500 | 732.68 |
| 3,000 | 879.21 |
| 3,500 | 1,025.7 |
| 5,000 | 1,465.4 |
Formula and worked example
BTU per hour = watts × 3.412141635.
Convert 1,000 watts to BTU per hour: 1,000 × 3.4121416 = 3,412.14 BTU/h.
When you need this
Heaters, air conditioners and radiators are rated in watts or in BTU per hour depending on the country. Converting lets you match a unit to a room.
Questions people ask
How many BTU per hour are in a watt?
One watt is 3.4121416 BTU per hour.
How do I convert watts to BTU per hour?
Multiply the number of watts by 3.4121416.
What is 2,000 W in BTU/h?
2,000 watts is 6,824.28 BTU per hour.
How do I convert BTU per hour back to watts?
Multiply by 0.29307107: one BTU per hour is 0.29307107 watts.
Related conversions
How we calculate this
Power units follow the SI watt and the internationally agreed definitions of mechanical horsepower (745.69987 W), metric horsepower (735.49875 W) and the BTU (1,055.05585 J). Source: NIST Handbook 44 (Appendix C).
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