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Watts to Kilowatts Converter

Free instant W → kW converter. No signup, no uploads — everything is calculated privately in your browser.

1 W = 0.001 kilowatts

Free and instant — every calculation runs in your browser. Nothing is uploaded.

Quick Answer

1 watt equals 0.001 kilowatts. To convert watts to kilowatts, multiply the value by this factor.

Key Facts

  • Reverse: 1 kilowatt = 1,000 watts.

Watts to Kilowatts Formula

Formula: value ÷ 1,000

Prefer to skip the math? Type any value in the converter above and it converts instantly.

Watts to Kilowatts Conversion Table

Watts (W)Kilowatts (kW)
1 W0.001 kW
2 W0.002 kW
5 W0.005 kW
10 W0.01 kW
25 W0.025 kW
50 W0.05 kW
100 W0.1 kW
250 W0.25 kW
500 W0.5 kW
1,000 W1 kW

Frequently Asked Questions

How do I convert watts to kilowatts?

Enter the value above and the result appears instantly — the calculation runs entirely in your browser. Formula: value ÷ 1,000.

What is the exact watts to kilowatts conversion factor?

1 watt = 0.001 kilowatts (shown to 6 significant figures — the converter itself computes at full precision). The reverse factor is 1 kilowatt = 1,000 watts.

What are some common watts to kilowatts conversions?

1 W = 0.001 kW; 10 W = 0.01 kW; 100 W = 0.1 kW. Use the full conversion table below for more reference values.

Why do car specs list both hp and PS?

They are two flavors of horsepower: mechanical horsepower (1 hp = 745.7 W) is standard in the US, while metric horsepower or Pferdestärke (1 PS = 735.5 W) is common in Europe. Because 1 hp ≈ 1.014 PS, a 300 PS engine is about 296 hp — close enough for marketing, but not identical.

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