⚡ Power
watts to BTU/hr Converter
Convert watts to BTU/hr instantly with a reference table.
Quick answer: To convert watts to BTU/hr, multiply by 3.41214. For example, 1 watts = 3.41214 BTU/hr. Use the calculator below for any value.
watts to BTU/hr
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Common conversions
| watts | BTU/hr |
|---|
Formula:
How to convert watts to BTU/hr
1
Enter your value
Type the number of watts you want to convert into the left box. The result in btu/hr appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — BTU/hr to watts. Your current value carries across so you don't have to re-enter anything.
3
About watts and BTU/hr
watts and BTU/hr are common power measurements.
💡 Did you know?
1 W = 3.412 BTU/hr. UK gas boiler: 24 kW = 81,888 BTU/hr. US furnaces rated in BTU/hr: 60,000 BTU/hr ≈ 17.6 kW. Air conditioner 'tons': 1 ton = 12,000 BTU/hr = 3.517 kW. The BTU/hr system is maintained in the US despite being awkward for SI calculations.
📊 Common conversions at a glance
| watts | BTU/hr |
|---|---|
| 1 | 3.412 |
| 10 | 34.12 |
| 100 | 341.2 |
| 500 | 1706 |
| 750 | 2559 |
| 1000 | 3412 |
Reviewed for 2026. watts ↔ BTU/hr conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.