21 Watts to BTU/hour
Convert 21 watts (W) to btu/hour (BTU/h) with formulas, examples, and conversion tables.
W
BTU/h
21 Watts (W) = 71.6549914526 btu/hour (BTU/h)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 Watt = 3.41214245012 btu/hour
2Multiply the value by the conversion factor:
21 × 3.41214245012 = 71.6549914526
3Result:
21 Watts (W) = 71.6549914526 btu/hour (BTU/h)
Watts to BTU/hour Conversion Table
| Watts | BTU/hour |
|---|---|
| 1 W | 3.41214 BTU/h |
| 2 W | 6.82428 BTU/h |
| 3 W | 10.2364 BTU/h |
| 4 W | 13.6486 BTU/h |
| 5 W | 17.0607 BTU/h |
| 10 W | 34.1214 BTU/h |
| 20 W | 68.2428 BTU/h |
| 21 W | 71.655 BTU/h |
| 50 W | 170.607 BTU/h |
| 100 W | 341.214 BTU/h |
21 Watts in Other Units
| Unit | 21 W = |
|---|---|
| Watts to Kilowatts | 0.021 kW |
| Watts to Megawatts | 2.1e-5 MW |
| Watts to Gigawatts | 2.1e-8 GW |
| Watts to Milliwatts | 21000 mW |
| Watts to Horsepower | 0.0281614590318 hp |
| Watts to Metric Horsepower | 0.0285520442584 PS |
| Watts to BTU/hour | 71.6549914526 BTU/h |
| Watts to Foot-pounds/second | 15.4887816967 ft·lb/s |
| Watts to Calories/second | 5.01912045889 cal/s |