Electrical Converter
Watts (W)
A watts to amps converter calculates electrical current from power and voltage using Ohm's law. It is used for sizing circuit breakers, fuses, and cables for electrical installations.
- 1Amps = Watts ÷ Volts (DC circuits)
- 2Amps = Watts ÷ (Volts × Power Factor) (AC circuits)
- 3Standard voltages: 120V (US), 230V (UK/EU), 240V (AU)
- 4Power factor for resistive loads = 1.0
2400W appliance at 240V=10 amps
1200W microwave at 120V=10 amps
3000W oven at 240V=12.5 amps
| Appliance | Watts | Amps at 240V |
|---|---|---|
| LED Bulb | 10W | 0.04A |
| Laptop | 65W | 0.27A |
| Fridge | 150W | 0.63A |
| Washing Machine | 2000W | 8.3A |
| Electric Oven | 3000W | 12.5A |
| EV Charger | 7400W | 30.8A |
References
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