---
title: "Kilocalories to Watt-hours — kcal to Wh converter"
description: "1 kilocalorie = 1.162222 watt-hours. Convert kilocalories to watt-hours with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/kcal-to-watt-hours/
site: "At One Place"
---

# Kilocalories to watt-hours

**1 kilocalorie in watt-hours: 1 kcal = 1.162222 Wh**

Wh = kcal × 1.162222222

To convert kilocalories to watt-hours, multiply by 1.162222222. The table below gives the values people look up most often, and the converter works for any number.

## Kilocalories to watt-hours table

*Common kilocalorie values converted to watt-hours.*

| Kilocalories | Watt-hours |
| --- | --- |
| 1 kcal | 1.162222 |
| 2 kcal | 2.324444 |
| 3 kcal | 3.486667 |
| 4 kcal | 4.648889 |
| 5 kcal | 5.811111 |
| 10 kcal | 11.62222 |
| 15 kcal | 17.43333 |
| 20 kcal | 23.24444 |
| 25 kcal | 29.05556 |
| 30 kcal | 34.86667 |
| 40 kcal | 46.48889 |
| 50 kcal | 58.11111 |
| 75 kcal | 87.16667 |
| 100 kcal | 116.2222 |
| 250 kcal | 290.5556 |
| 500 kcal | 581.1111 |
| 1,000 kcal | 1,162.2222 |

## How the conversion works

The relationship is Wh = kcal × 1.162222222. Both units measure energy, so the conversion is a fixed factor that never changes.

> Kilocalorie: The "calorie" on food labels.

## Common questions

### How many watt-hours are in one kilocalorie?

One kilocalorie equals 1.162222 watt-hours. Wh = kcal × 1.162222222.

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

Use Wh = kcal × 1.162222222. So 10 kcal is 11.62222 Wh.

### How many kilocalories are in one watt-hour?

One watt-hour equals 0.86042 kilocalories, which is the reverse of the conversion above.

### Is there more than one kind of kilocalorie?

The "calorie" on food labels.

## Related pages

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