How many watts are in one kilowatt?

There are 1,000 watts in 1 kilowatt.

How do you convert watts to kilowatts?

Multiply the number of watts by 0.001 — or use the formula kW = W ÷ 1,000.

What is 6 watts in kilowatts?

6 watts is 0.006 kilowatts. 6 ÷ 1,000 = 0.006 kilowatts.

Is the watts to kilowatts conversion exact?

Yes. The relationship is fixed by definition, so 0.001 is an exact conversion factor — only the displayed result is rounded.

Watts to Kilowatts Converter

Convert watts to kilowatts instantly with this free watts to kilowatts converter. Enter any value to get an accurate power conversion, plus the formula, the conversion factor and a full reference table.

What is 1 watt in kilowatts?

1 watt is equal to exactly 0.001 kilowatts.

1 ÷ 1,000 = 0.001 kilowatts

Amount

Result0.001

1 watt = 0.001 kilowatts

Watts to Kilowatts formula

kW = W ÷ 1,000

The watts to kilowatts conversion factor is 0.001, which is exact by definition. 1 watt = 0.001 kilowatts, and 1 kilowatt = 1,000 watts.

Worked examples

2 watts = 0.002 kilowatts — 2 ÷ 1,000 = 0.002 kilowatts
6 watts = 0.006 kilowatts — 6 ÷ 1,000 = 0.006 kilowatts
10 watts = 0.01 kilowatts — 10 ÷ 1,000 = 0.01 kilowatts

Watts to Kilowatts conversion table

Every value below is calculated with the exact conversion factor and rounded for display.

watts to kilowatts conversion table
Watts (W)	Kilowatts (kW)
1 W	0.001 kW
2 W	0.002 kW
3 W	0.003 kW
4 W	0.004 kW
5 W	0.005 kW
6 W	0.006 kW
7 W	0.007 kW
8 W	0.008 kW
9 W	0.009 kW
10 W	0.01 kW
12 W	0.012 kW
15 W	0.015 kW
20 W	0.02 kW
25 W	0.025 kW
30 W	0.03 kW
50 W	0.05 kW
75 W	0.075 kW
100 W	0.1 kW
500 W	0.5 kW
1,000 W	1 kW

When you need to convert watts to kilowatts

Comparing engine or motor output quoted in horsepower, metric horsepower or kilowatts.
Sizing heating and cooling equipment rated in BTU per hour or watts.

Common mistakes to avoid

Dividing when you should multiply. Because 1 watt = 0.001 kilowatts, the answer should be smaller than the number you started with.
Rounding too early. Convert first at full precision, then round the final answer to the precision the task actually needs.

How precise does the answer need to be?

Round only at the end, and only to the precision your task actually needs. The converter above keeps full double precision internally and rounds for display.

How these units are defined

Watt (W): The SI unit of power: one joule per second. This unit's relationship to the SI base unit is exact by definition, so no rounding enters the conversion factor.
Kilowatt (kW): 1,000 watts; engine and appliance power in metric markets. This unit's relationship to the SI base unit is exact by definition, so no rounding enters the conversion factor.

Frequently asked questions

What is 1 watt in kilowatts?: 1 watt is equal to 0.001 kilowatts.
How many watts are in one kilowatt?: There are 1,000 watts in 1 kilowatt.
How do you convert watts to kilowatts?: Multiply the number of watts by 0.001 — or use the formula kW = W ÷ 1,000.
What is 6 watts in kilowatts?: 6 watts is 0.006 kilowatts. 6 ÷ 1,000 = 0.006 kilowatts.
Is the watts to kilowatts conversion exact?: Yes. The relationship is fixed by definition, so 0.001 is an exact conversion factor — only the displayed result is rounded.