100 Amps to Watts
100 amps is 12,000 watts at 120 volts and 24,000 watts at 240 volts (watts = amps × volts, at unity power factor).
100 Amps to Watts conversion table
| Voltage | Watts (PF 1.0) | Watts (PF 0.8) |
|---|---|---|
| 12 V DC | 1,200 W | — |
| 24 V DC | 2,400 W | — |
| 48 V DC | 4,800 W | — |
| 120 V AC | 12,000 W | 9,600 W |
| 208 V AC | 20,800 W | 16,640 W |
| 240 V AC | 24,000 W | 19,200 W |
| 277 V AC | 27,700 W | 22,160 W |
| 480 V AC | 48,000 W | 38,400 W |
PF = power factor. Resistive loads (heaters, incandescent lights) are PF 1.0; motors and compressors typically run PF 0.8-0.9. For a different value, use the interactive converter.
Frequently asked questions
12,000 watts (100 A × 120 V) for DC or resistive AC loads. With a 0.8 power factor (motors), the same current only delivers 9,600 W of real power.
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