---
title: "Calories to Kilowatt-hours — cal to kWh converter"
description: "1 calorie = 0.000001162 kilowatt-hours. Convert calories to kilowatt-hours with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/calories-to-kwh/
site: "At One Place"
---

# Calories to kilowatt-hours

**1 calorie in kilowatt-hours: 1 cal = 0.000001162 kWh**

kWh = cal × 0.000001162222

To convert calories to kilowatt-hours, multiply by 0.000001162222. The table below gives the values people look up most often, and the converter works for any number.

## Calories to kilowatt-hours table

*Common calorie values converted to kilowatt-hours.*

| Calories | Kilowatt-hours |
| --- | --- |
| 1 cal | 0.000001162 |
| 2 cal | 0.000002324 |
| 3 cal | 0.000003487 |
| 4 cal | 0.000004649 |
| 5 cal | 0.000005811 |
| 10 cal | 0.00001162 |
| 15 cal | 0.00001743 |
| 20 cal | 0.00002324 |
| 25 cal | 0.00002906 |
| 30 cal | 0.00003487 |
| 40 cal | 0.00004649 |
| 50 cal | 0.00005811 |
| 75 cal | 0.00008717 |
| 100 cal | 0.0001162 |
| 250 cal | 0.0002906 |
| 500 cal | 0.0005811 |
| 1,000 cal | 0.0011622 |

## How the conversion works

The relationship is kWh = cal × 0.000001162222. Both units measure energy, so the conversion is a fixed factor that never changes.

> Calorie: Thermochemical (small) calorie.

## Common questions

### How many kilowatt-hours are in one calorie?

One calorie equals 0.000001162 kilowatt-hours. kWh = cal × 0.000001162222.

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

Use kWh = cal × 0.000001162222. So 10 cal is 0.00001162 kWh.

### How many calories are in one kilowatt-hour?

One kilowatt-hour equals 860,420.65 calories, which is the reverse of the conversion above.

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

Thermochemical (small) calorie.

## Related pages

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