UnitChart

Convert Wh to kilocalories

watt hours to kilocalories. Enter a value to convert, or use the Wh to kilocalories chart further down the page.

1 Wh = 0.860421 kcal

1 watt hour equals 0.860421 kilocalories. Going the other way, 1 kilocalorie = 1.16222 watt hours.

Check this before you rely on it. This converter is provided free and without warranty, and its results are not professional advice.

How to convert Wh to kilocalories

To convert watt hours to kilocalories, multiply the watt hour value by 0.8604206501. You can also divide by 1.162222222 to get the same answer.

kcal = Wh × 0.8604206501

Worked example

Convert 15 Wh to kilocalories:

15 Wh = 12.9063 kcal

Wh to kilocalories conversion chart

Use this Wh to kilocalories table for quick reference without typing anything.

Wh to kilocalories conversion table
watt hours (Wh)kilocalories (kcal)
0.01 Wh0.00860421 kcal
0.1 Wh0.0860421 kcal
1 Wh0.860421 kcal
2 Wh1.72084 kcal
3 Wh2.58126 kcal
5 Wh4.3021 kcal
10 Wh8.60421 kcal
20 Wh17.2084 kcal
50 Wh43.021 kcal
100 Wh86.0421 kcal
1,000 Wh860.421 kcal

What is a watt hour?

A watt hour is exactly 3,600 joules — the energy used by a one-watt device in one hour. Battery capacity is rated in watt hours.

What is a kilocalorie?

The kilocalorie, written kcal or capital-C Calorie, is 1,000 thermochemical calories — the unit meant by “calories” on food packaging.

Frequently asked questions

How many kilocalories are in a watt hour?

1 Wh equals 0.860421 kilocalories. Going the other way, 1 kilocalories is 1.16222 Wh.

How do you convert Wh to kilocalories?

To convert watt hours to kilocalories, multiply the watt hour value by 0.8604206501. You can also divide by 1.162222222 to get the same answer.

What is 10 Wh in kilocalories?

10 Wh equals 8.60421 kilocalories. The conversion chart on this page lists the other values people look up most often.

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