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Convert Kilowatt-hour to Watt-hour.

Input the value of kilowatt-hours below to convert instantly to watt-hours with standard conversions, definitions, and equations.

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kWh
Wh
Value in Watt-hours = Value in Kilowatt-hours × 1000 Multiply the value in kilowatt-hours by the conversion factor 1000.

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How to Convert Kilowatt-hours to Watt-hours

To convert kilowatt-hour to watt-hour, we use the official conversion formulas. Below is the mathematical formula, plain-English explanation, and a worked example.

kilowatt-hour-to-watt-hour-formula.py
# Mathematical Formula
Value in Watt-hours = Value in Kilowatt-hours × 1000
# Worked Example (5 kWh)
5 kWh × 1000 = 5000.0000 Wh
What is a Kilowatt-hour?

Kilowatt-hour (kWh)

Standard utility bill unit representing 1,000 Watt-hours (3.6 MegaJoules).

What is a Watt-hour?

Watt-hour (Wh)

Energy equivalent to one Watt of power sustained for one hour.

Kilowatt-hour to Watt-hour Conversion Table

Kilowatt-hour (kWh) Watt-hour (Wh)
1 kWh 1000 Wh
2 kWh 2000 Wh
3 kWh 3000 Wh
5 kWh 5000 Wh
10 kWh 10000 Wh
15 kWh 15000 Wh
20 kWh 20000 Wh
25 kWh 25000 Wh
50 kWh 50000 Wh
100 kWh 100000 Wh
250 kWh 250000 Wh
500 kWh 500000 Wh
1000 kWh 1000000 Wh

Watt-hour to Kilowatt-hour Conversion Table

Watt-hour (Wh) Kilowatt-hour (kWh)
1 Wh 0.001 kWh
2 Wh 0.002 kWh
3 Wh 0.003 kWh
5 Wh 0.005 kWh
10 Wh 0.01 kWh
15 Wh 0.015 kWh
20 Wh 0.02 kWh
25 Wh 0.025 kWh
50 Wh 0.05 kWh
100 Wh 0.1 kWh
250 Wh 0.25 kWh
500 Wh 0.5 kWh
1000 Wh 1 kWh
Questions

Frequently Asked Questions

How do I convert kilowatt-hours to watt-hours?

Multiply the value in kilowatt-hours by the conversion factor 1000. For example, to convert 5 kilowatt-hours to watt-hours: 5 × 1000 = 5000.0000 Wh.

What is the conversion factor from kilowatt-hour to watt-hour?

The conversion factor is 1000. One kilowatt-hour is equal to 1000 watt-hours.

What is the reverse conversion from watt-hour to kilowatt-hour?

To convert watt-hours back to kilowatt-hours, multiply by 0.001 (or divide the value by 1000). One watt-hour is equal to 0.001 kilowatt-hours.

How many Joules are in 1 Kilowatt-hour (kWh)?

There are exactly 3,600,000 Joules (or 3.6 Megajoules) in 1 kWh.

What is the difference between a calorie and a Calorie?

A lowercase calorie (cal) is a small metric unit (4.184 J). A capitalized Calorie (Cal) is a food calorie, which is actually a kilocalorie (1,000 small calories or 4,184 J).

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