---
title: "Kilowatt-hours to Watt-hours — kWh to Wh converter"
description: "1 kilowatt-hour = 1,000 watt-hours. Convert kilowatt-hours to watt-hours with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/kwh-to-watt-hours/
site: "At One Place"
---

# Kilowatt-hours to watt-hours

**1 kilowatt-hour in watt-hours: 1 kWh = 1,000 Wh**

Wh = kWh × 1,000

To convert kilowatt-hours to watt-hours, multiply by 1,000. The table below gives the values people look up most often, and the converter works for any number.

## Kilowatt-hours to watt-hours table

*Common kilowatt-hour values converted to watt-hours.*

| Kilowatt-hours | Watt-hours |
| --- | --- |
| 1 kWh | 1,000 |
| 2 kWh | 2,000 |
| 3 kWh | 3,000 |
| 4 kWh | 4,000 |
| 5 kWh | 5,000 |
| 10 kWh | 10,000 |
| 15 kWh | 15,000 |
| 20 kWh | 20,000 |
| 25 kWh | 25,000 |
| 30 kWh | 30,000 |
| 40 kWh | 40,000 |
| 50 kWh | 50,000 |
| 75 kWh | 75,000 |
| 100 kWh | 100,000 |
| 250 kWh | 250,000 |
| 500 kWh | 500,000 |
| 1,000 kWh | 1,000,000 |

## How the conversion works

The relationship is Wh = kWh × 1,000. Both units measure energy, so the conversion is a fixed factor that never changes.

## Common questions

### How many watt-hours are in one kilowatt-hour?

One kilowatt-hour equals 1,000 watt-hours. Wh = kWh × 1,000.

### How do you convert kilowatt-hours to watt-hours?

Use Wh = kWh × 1,000. So 10 kWh is 10,000 Wh.

### How many kilowatt-hours are in one watt-hour?

One watt-hour equals 0.001 kilowatt-hours, which is the reverse of the conversion above.

## Related pages

- [Watt-hours to Kilowatt-hours](https://atoneplace.net/convert/watt-hours-to-kwh/)
- [Kilowatt-hours to Joules](https://atoneplace.net/convert/kwh-to-joules/)
- [Kilowatt-hours to Kilojoules](https://atoneplace.net/convert/kwh-to-kilojoules/)
- [Kilowatt-hours to Kilocalories](https://atoneplace.net/convert/kwh-to-kcal/)
- [Kilowatt-hours to British thermal units](https://atoneplace.net/convert/kwh-to-btu/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)