Convert watt seconds to british thermal units and back instantly with formula and common values.
To convert watt seconds to british thermal units, multiply by 9.4781e-4.
| Watt Seconds | British Thermal Units |
|---|---|
| 10 | 0.0095 |
| 100 | 0.0948 |
| 1000 | 0.9478 |
| 5000 | 4.7391 |
| 10000 | 9.4781 |
| 50000 | 47.3907 |
| 100000 | 94.7813 |
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Multiply by 9.4781e-4. For example, 19 Ws × 9.4781e-4 = 0.018 BTU.
The formula is: BTU = Ws × 9.4781e-4.
One watt second equals 0.0009 british thermal units.