600 Watts to Amps — How Many Amps Is 600 Watts?
600 Watts equals 5.00 amps at 120V or 2.50 amps at 240V. Common 600W devices: Dehumidifier, small microwave.
600 Watts Amps at Every Voltage
| Voltage | Single Phase | Three Phase |
|---|---|---|
| 120V | 5.00A | 2.89A |
| 208V | 2.88A | 1.67A |
| 240V | 2.50A | 1.44A |
| 277V | 2.17A | 1.25A |
| 480V | 1.25A | 0.72A |
The Formula
Single Phase: Amps = Watts ÷ Volts. For 600 Watts at 120V: 600 ÷ 120 = 5.00A.
Three Phase: Amps = Watts ÷ (Volts × 1.732). For 600 Watts at 240V 3-phase: 600 ÷ (240 × 1.732) = 1.44A.
With power factor: Amps = Watts ÷ (Volts × PF). A PF of 0.8 increases the current draw by 25%.
Wire and Breaker for 600 Watts at 120V
At 120V, 600 Watts draws 5.0A. Recommended: 14 AWG copper wire with a 15A breaker per NEC 310.16. For continuous loads (3+ hours), apply 125% rule. Use our Wire Size Calculator for exact sizing.
Common 600W Devices
Dehumidifier, small microwave. Always check the device nameplate for exact wattage — rated watts may differ from actual consumption.
Disclaimer: Calculations are for reference. Verify with device nameplate. Consult a licensed electrician for installations.