Power
Rate of work, heat transfer and machinery output.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert watt (W) to British thermal unit per hour (BtuIT/h). Enter a value for an instant result, or use the examples and reverse conversion below.
Rate of work, heat transfer and machinery output.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a watt value to calculate British thermal unit per hour with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| milliwattfrom W | mW | 1000 |
| wattfrom W | W | 1 |
| kilowattfrom W | kW | 0.001 |
| megawattfrom W | MW | 0.000001 |
| gigawattfrom W | GW | 0.000000001 |
| mechanical horsepowerfrom W | hp | 0.00134102 |
| metric horsepowerfrom W | PS | 0.00135962 |
| electrical horsepowerfrom W | hp(E) | 0.00134048 |
| boiler horsepowerfrom W | hp(S) | 0.000101942 |
| foot pound-force per secondfrom W | ft·lbf/s | 0.737562 |
| British thermal unit per hourfrom W | BtuIT/h | 3.41214 |
| ton of refrigerationfrom W | TR | 0.000284345 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Watt (W) and British thermal unit per hour (BtuIT/h) are units of power. Use this page to convert in either direction.
| Watt (W) | British Thermal Unit Per Hour (BtuIT/h) |
|---|---|
| 1 W | 3.41214 BtuIT/h |
| 5 W | 17.0607 BtuIT/h |
| 10 W | 34.1214 BtuIT/h |
| 100 W | 341.214 BtuIT/h |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
BtuIT/h to W (British thermal unit per hour to watt)