Kilowatt-hour to Watt-hour Converter
1 kWh = 1000.00 Wh
On this page
FORMULA
1 kWh = 1000.00 Wh
CONVERSION TABLE
| Kilowatt-hour (kWh) | Watt-hour (Wh) |
|---|---|
| 1 kWh | 1,000 Wh |
| 5 kWh | 5,000 Wh |
| 10 kWh | 10,000 Wh |
| 25 kWh | 25,000 Wh |
| 50 kWh | 50,000 Wh |
| 100 kWh | 100,000 Wh |
| 250 kWh | 250,000 Wh |
| 500 kWh | 500,000 Wh |
| 1,000 kWh | 1,000,000 Wh |
COMMON VALUES
RELATED CONVERSIONS
About Kilowatt-hour (kWh)
The standard billing unit for household electricity worldwide, one kilowatt-hour equals 3.6 megajoules. Running a 100-watt light bulb for 10 hours consumes one kWh. Average US household electricity consumption is about 30 kWh per day, and electric vehicle batteries hold 40-100 kWh.
About Watt-hour (Wh)
One watt sustained for one hour equals 3,600 joules. The watt-hour is used for small-scale electrical energy measurements such as battery capacity in consumer electronics. A smartphone battery typically holds 10-20 Wh, and laptop batteries range from 40 to 100 Wh.
How to Convert Kilowatt-hour to Watt-hour
The conversion formula is: 1 kWh = 1000.00 Wh. To convert from Kilowatt-hour (kWh) to Watt-hour (Wh), use the formula above or the interactive converter at the top of this page.
Frequently Asked Questions
How many Watt-hour in 1 Kilowatt-hour?
1 Kilowatt-hour (kWh) equals 1000.00 Watt-hour (Wh).
How to convert Kilowatt-hour to Watt-hour?
Multiply the Kilowatt-hour value by 1000.00 to get the equivalent in Watt-hour. Formula: 1 kWh = 1000.00 Wh
What is the formula for Kilowatt-hour to Watt-hour conversion?
1 kWh = 1000.00 Wh
Glossary
-
Calorie
A unit of energy. The small calorie (cal) heats 1g of water by 1°C; the food Calorie (kcal) is 1000 small calories.
-
BTU (British Thermal Unit)
The amount of heat needed to raise the temperature of one pound of water by one degree Fahrenheit.
-
Electronvolt
A unit of energy equal to the kinetic energy gained by an electron accelerated through 1 volt.
-
Joule
The SI unit of energy, equal to the work done by a force of one newton acting over a distance of one meter (1 J = 1 N·m = 1 kg·m²/s²).