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| 4 Watts | to common power units |
|---|---|
| 4 W | = 4 watts (W) |
| 4 W | = 0.004 kilowatts (kW) |
| 4 W | = 4 volt ampere (VA) |
| 4 W | = 0.0053640883583801 horsepower (hp) |
| 4 W | = 4 joules per second (J/s) |
| 4 W | = 0.0037912684812533 btu per second (BTU/s) |
| 4 W | = 0.2274761088752 btu per minute (BTU/min) |
| 4 W | = 13.648566532512 btu per hour (BTU/h) |
| 4 W | = 3439.3809114359 calories per hour (cal/h) |
| 4 W | = 4.0E+18 attowatts (aW) |