Kilowatts to Watts
Convert kilowatts to watts for appliance power, solar arrays, EV charging and home power. 1 kW = 1000 W, reference table for common devices.
Last updated: May 2026
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When to work in watts vs kilowatts
Appliance specs and electricity bills use kilowatts because common household loads fall above 1000 W. An electric kettle draws 1.8-3 kW; a Level 2 EV charger delivers 7-11 kW; a solar panel array is sized in kW. The watt scale suits electronics and lighting; the kilowatt scale suits mains-connected loads and energy calculations.
The formula is watts = kilowatts × 1000. An 11 kW EV charger delivers 11,000 W. A 400 W solar panel is 0.4 kW. Converting to the same unit before comparing or summing loads prevents off-by-1000 errors in circuit sizing and energy estimates.
When you need this conversion
- Comparing appliance labels (kW) with circuit breaker amp ratings at a known voltage
- Solar sizing: panel wattage to kW, then kW × peak sun hours = daily kWh yield
- Electricity cost: appliance watts to kW, then kW × hours × rate = monthly cost
Quick reference
| Kilowatts | Watts |
|---|---|
| 0.06 kW | 60 W (LED bulb equivalent) |
| 1 kW | 1000 W |
| 2.4 kW | 2400 W (typical kettle) |
| 7 kW | 7000 W (home EV charger) |
| 11 kW | 11000 W (3-phase EV charger) |
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Frequently Asked Questions
What appliances draw power in the kilowatt range?
Electric kettles: 1.8-3 kW. Hair dryers: 1-2.4 kW. Electric ovens: 2-3.5 kW. Home EV chargers (Level 2): 7-11 kW. Air conditioners: 1-5 kW depending on capacity. These figures appear on energy bills and smart meter dashboards in watts or kWh.
How do I read my electricity meter if it shows kWh?
kWh is energy consumed, not power. Multiply the appliance power in kW by the hours of use to get kWh. A 2 kW kettle used for 3 minutes (0.05 hours) consumes 0.1 kWh. At €0.30/kWh that is 3 cents per boil. Monthly bill estimates start with converting wattages to kW.
When do specs use kilowatts instead of watts?
Industrial equipment, HVAC systems, EV drivetrains and generator sets are typically rated in kW. Consumer electronics, resistors and LED drivers stay in watts. The crossover is roughly at mains-connected loads, anything you plug into a 240 V socket at full draw is usually quoted in kW.