20 kW to Amps
20 kW is 83.3 amps at 240 V single-phase and 24.1 amps at 480 V three-phase (at unity power factor). Single- and three-phase tables below.
20 kW to Amps conversion table
| System | Amps (PF 1.0) | Amps (PF 0.8) |
|---|---|---|
| 120 V single-phase | 167 A | 208 A |
| 240 V single-phase | 83.3 A | 104 A |
| 208 V three-phase | 55.5 A | 69.4 A |
| 480 V three-phase | 24.1 A | 30.1 A |
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
83.3 amps single-phase (20 kW = 20,000 W ÷ 240 V). For a continuous 20 kW load — an EV charger, for instance — the circuit must be sized 25% above that.
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