Quick Answer
1 watt equals 3.41214 btu/hour. To convert watts to btu/hour, multiply the value by this factor.
Key Facts
- Reverse: 1 BTU per hour = 0.293071 watts.
Watts to BTU/hour Converter
Free instant W → BTU/h converter. No signup, no uploads — everything is calculated privately in your browser.
1 W = 3.41214 btu/hour
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Watts to BTU/hour Formula
Formula: value × 3.41214
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Watts to BTU/hour Conversion Table
| Watts (W) | BTU/hour (BTU/h) |
|---|---|
| 1 W | 3.41214 BTU/h |
| 2 W | 6.82428 BTU/h |
| 5 W | 17.0607 BTU/h |
| 10 W | 34.1214 BTU/h |
| 25 W | 85.3035 BTU/h |
| 50 W | 170.607 BTU/h |
| 100 W | 341.214 BTU/h |
| 250 W | 853.035 BTU/h |
| 500 W | 1,706.07 BTU/h |
| 1,000 W | 3,412.14 BTU/h |
Frequently Asked Questions
How do I convert watts to btu/hour?
Enter the value above and the result appears instantly — the calculation runs entirely in your browser. Formula: value × 3.41214.
What is the exact watts to btu/hour conversion factor?
1 watt = 3.41214 btu/hour (shown to 6 significant figures — the converter itself computes at full precision). The reverse factor is 1 BTU per hour = 0.293071 watts.
What are some common watts to btu/hour conversions?
1 W = 3.41214 BTU/h; 10 W = 34.1214 BTU/h; 100 W = 341.214 BTU/h. Use the full conversion table below for more reference values.
Why do car specs list both hp and PS?
They are two flavors of horsepower: mechanical horsepower (1 hp = 745.7 W) is standard in the US, while metric horsepower or Pferdestärke (1 PS = 735.5 W) is common in Europe. Because 1 hp ≈ 1.014 PS, a 300 PS engine is about 296 hp — close enough for marketing, but not identical.
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