2,521 Watts to Amps

2,521 watts is 21.01 amps at 120V (DC). The exact amperage depends on your voltage and whether the circuit is DC or AC.

2,521 Watts to Amps at Every Voltage

VoltageDCAC (PF 0.85)AC 3-Phase (PF 0.85)
12V
DC, automotive, solar
210.08A 247.16A 142.7A
24V
DC, industrial control
105.04A 123.58A 71.35A
100V
Japan residential
25.21A 29.66A 17.12A
120V
US residential
21.01A 24.72A 14.27A
208V
US commercial three-phase
12.12A 14.26A 8.23A
220V
Legacy international / parts of Asia
11.46A 13.48A 7.78A
230V
UK / EU residential
10.96A 12.9A 7.45A
240V
US residential (dryer, range, HVAC)
10.5A 12.36A 7.13A
277V
US commercial lighting
9.1A 10.71A 6.18A
400V
UK / EU commercial three-phase
6.3A 7.41A 4.28A
460V
US industrial motor (NEC 430.250 column)
5.48A 6.45A 3.72A
480V
US industrial three-phase
5.25A 6.18A 3.57A
575V
Canadian industrial three-phase
4.38A 5.16A 2.98A

Other Wattages

This calculator provides estimates for reference purposes only. Always consult a licensed electrician and verify compliance with the National Electrical Code (NEC) and local electrical codes before performing any electrical work.