Energy
Browse Energy conversions1 watt-hour = 0.001 kilowatt-hour
How This Conversion Works
Watt-hour and kilowatt-hour are both used for energy conversions. This page converts 1 watt-hour into 0.001 kilowatt-hour using the formula shown below.
Use this result for quick checks, comparisons, and everyday reference. For work that depends on exact precision, review the rounding setting and the assumption note before using the number.
The precision controls let you switch between a shorter result, the standard readable result, and scientific notation when the value is very large or very small.
Unit Notes
- 1 watt-hour (Wh) equals 3600 joule.
- 1 kilowatt-hour (kWh) equals 3600000 joule.
Conversion Questions
How do you convert watt-hour to kilowatt-hour?
This page converts watt-hour to kilowatt-hour using this formula: (1 x 3600) / 3600000.
What is 1 watt-hour in kilowatt-hour?
1 watt-hour equals 0.001 kilowatt-hour.
How many decimals does this converter show?
Displayed to 10 decimal places, trimmed for readability. The precision buttons can also show a shorter result or scientific notation.
Equivalent Values
Nearby Values
- Formula
- (1 x 3600) / 3600000
- Rounding
- Displayed to 10 decimal places, trimmed for readability.
- Assumption
- Energy units use SI definitions. Calorie is the thermochemical calorie at 4.184 joules. BTU is the International Table BTU.