EasyUnitConverter.com

Kilowatt to Watt Converter

Enter the value that you want to convert kilowatt (kW) to watt (W) or watt to kilowatt.Also written as KW to W conversion.

1 kilowatt = 1000.0000000 watt

Formula: watt = kilowatt value × 1000.0000000

KW to W — kilowatt to watt

kW
10000.00000W

10 kilowatt = 10000.00000 watt

Popular Power Converters:

hp to kWkW to hphp to wattswatts to hpBTU to tonton to BTUwatts to kilowatts

Converting Kilowatt to Watt

The Kilowatt in Engineering

Kilowatt (kW) is a unit of power measurement. 1 kilowatt is equal to 1000.0000000 watt.

About the Watt

Watt (W) is a unit of power measurement. 1 watt is equal to 0.0010000 kilowatt.

Power Measurement Across Applications

Power units span from milliwatts in electronics to megawatts in power plants. Engine output is still quoted in horsepower (mechanical, metric, and electrical — all slightly different). HVAC systems rate cooling in tons of refrigeration or BTU/hour. Solar panels specify watts peak. Electric motors list watts or kilowatts. Each industry carries its historical unit preferences, making conversion between them a daily necessity.

kilowatt to watt metric conversion table

0.01 kW=10.00000 W
0.1 kW=100.00000 W
1 kW=1000.00000 W
2 kW=2000.00000 W
3 kW=3000.00000 W
4 kW=4000.00000 W
5 kW=5000.00000 W
6 kW=6000.00000 W
7 kW=7000.00000 W
8 kW=8000.00000 W
9 kW=9000.00000 W
10 kW=10000.00000 W
11 kW=11000.00000 W
12 kW=12000.00000 W
13 kW=13000.00000 W
14 kW=14000.00000 W
15 kW=15000.00000 W
16 kW=16000.00000 W
17 kW=17000.00000 W
18 kW=18000.00000 W
19 kW=19000.00000 W
20 kW=20000.00000 W
30 kW=30000.00000 W
40 kW=40000.00000 W
50 kW=50000.00000 W
60 kW=60000.00000 W
70 kW=70000.00000 W
80 kW=80000.00000 W
90 kW=90000.00000 W
100 kW=100000.00000 W
200 kW=200000.00000 W
300 kW=300000.00000 W
400 kW=400000.00000 W
500 kW=500000.00000 W
600 kW=600000.00000 W
700 kW=700000.00000 W
800 kW=800000.00000 W
900 kW=900000.00000 W
1000 kW=1000000.00000 W

How to Convert KW to W (Kilowatt to Watt)?

We can convert kilowatt to watt by using an example.

Example:

Convert 20 Kilowatt to Watt?

We know 1 Kilowatt = 1000.0000000 watt; 1 Watt = 0.0010000 kilowatt.

20 kilowatt = ___W

20 × 1000.0000000 = 20000.00000 W (we know 1 kilowatt = 1000.0000000 watt)

Answer:

20 kilowatt = 20000.00000 watt

Converting Kilowatts to Watts for Circuit and Appliance Calculations

Converting kilowatts back to watts is essential when you need to calculate amperage for circuit breakers, select wire gauge, or compare appliance specifications. Since 1 kW = 1,000 W, you simply multiply by 1,000. Electricians work in watts when sizing circuits because breaker ratings and wire capacities are specified in amps (and amps = watts ÷ volts).

  1. Identify the power in kilowatts (kW).
  2. Multiply the kW value by 1,000.
  3. The result is the power in watts.
  4. Example: 2.4 kW × 1,000 = 2,400 W.
💡 Tip: After converting to watts, divide by your voltage (120V or 240V in the US) to find amperage. A 3 kW (3,000 W) load on a 240V circuit draws 12.5 amps — well within a 20A breaker.

Kilowatts to Watts: Appliance Power Ratings

Common kW-rated equipment expressed in watts for electrical calculations:

KilowattWatt
0.5 kW500 W
1 kW1,000 W
1.5 kW1,500 W
2 kW2,000 W
3.5 kW3,500 W
5 kW5,000 W
7.2 kW7,200 W
10 kW10,000 W
15 kW15,000 W

Solved Examples: Kilowatts to Watts

Question 1: An electric car charger is rated at 7.4 kW. What is its wattage?

Solution:

W = kW × 1,000

= 7.4 × 1,000

= 7,400 W

Answer: 7.4 kW = 7,400 W. On a 240V circuit, it draws about 30.8 amps.

Question 2: A portable generator is rated 3.6 kW. Convert to watts.

Solution:

W = kW × 1,000

= 3.6 × 1,000

= 3,600 W

Answer: 3.6 kW = 3,600 W running capacity.

Question 3: A commercial kitchen has a total load of 22 kW. Express in watts for panel calculation.

Solution:

W = kW × 1,000

= 22 × 1,000

= 22,000 W

Answer: 22 kW = 22,000 W — requires a 100A, 240V service minimum.

Practice: kW to Watts

Try solving these on your own to test your understanding:

  1. Convert 4.5 kW to watts. (Answer: 4,500 W)
  2. A hot tub heater is 5.5 kW. What is its wattage? (Answer: 5,500 W)
  3. Convert 0.75 kW to watts. (Answer: 750 W)
  4. A welding machine draws 8.2 kW. Express in watts. (Answer: 8,200 W)
  5. An induction cooktop is rated 3.3 kW. Convert to watts. (Answer: 3,300 W)

Why Electricians Convert kW to Watts

Electrical codes and breaker ratings are specified in amperes, not kilowatts. To determine the correct breaker size and wire gauge, electricians convert kW to watts, then divide by voltage to get amps: Amps = Watts ÷ Volts. A 5 kW (5,000 W) load on a 240V circuit needs 20.8A, requiring at least a 30A breaker with appropriate wire gauge (10 AWG copper).

Generator Sizing: kW to Watts in Practice

Portable generators are rated in watts (peak and running). When sizing a generator, add up all loads in watts: a 1.5 kW heater + 0.5 kW refrigerator + 1.2 kW well pump = 3.2 kW = 3,200 W running. Add 20-25% headroom for starting surges, so you need at least a 4,000 W generator. Always convert all loads to the same unit (watts) before summing.

Key Takeaways

  • 1 kW = 1,000 watts exactly.
  • Multiply kW by 1,000 to get watts.
  • Convert to watts first when calculating amperage for circuit sizing.
  • Amps = Watts ÷ Volts (critical formula for electrical work).
  • Generator sizing requires summing all loads in watts plus headroom.

Kilowatt to Watt Conversion Formula

watt = kilowatt × 1000.0000000

1 kilowatt = 1000.0000000 watt

1 watt = 0.0010000 kilowatt

Reverse: kilowatt = watt × 0.0010000

Frequently Asked Questions

How many watt are in 1 kilowatt?

There are 1000.0000000 watt in 1 kilowatt. To convert kilowatt to watt, multiply the value by 1000.0000000.

How do I convert kilowatt to watt?

Multiply your kilowatt value by 1000.0000000 to get the equivalent in watt. For example, 5 kilowatt = 5 × 1000.0000000 = 5000.00000 watt.

How do I convert watt to kilowatt?

Multiply your watt value by 0.0010000 to get the equivalent in kilowatt. Alternatively, divide by 1000.0000000.

What is 10 kilowatt in watt?

10 kilowatt is equal to 10000.00000 watt.

What is 100 kilowatt in watt?

100 kilowatt is equal to 100000.00000 watt.