Skip to content
UnitChart

Convert Wh to calories

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

1 Wh = 860.4206501 cal

1 watt hour equals 860.4206501 calories. Going the other way, 1 calorie = 0.001162222222 watt hours.

Permalink to this conversion

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 calories

To convert watt hours to calories, multiply the watt hour value by 860.4206501. You can also divide by 0.001162222222 to get the same answer.

cal = Wh × 860.4206501

Worked example

Convert 15 Wh to calories:

15 Wh = 12,906.30975 cal

Wh to calories conversion chart

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

Wh to calories conversion table
watt hours (Wh)calories (cal)
0.01 Wh8.604206501 cal
0.1 Wh86.04206501 cal
1 Wh860.4206501 cal
2 Wh1,720.8413 cal
3 Wh2,581.26195 cal
5 Wh4,302.10325 cal
10 Wh8,604.206501 cal
20 Wh17,208.413 cal
50 Wh43,021.0325 cal
100 Wh86,042.06501 cal
1,000 Wh860,420.6501 cal

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 calorie?

The thermochemical calorie is defined as exactly 4.184 joules. Note that the “calories” on food labels are actually kilocalories.

Frequently asked questions

How many calories are in a watt hour?

1 Wh equals 860.4206501 calories. Going the other way, 1 calories is 0.001162222222 Wh.

How do you convert Wh to calories?

To convert watt hours to calories, multiply the watt hour value by 860.4206501. You can also divide by 0.001162222222 to get the same answer.

What is 10 Wh in calories?

10 Wh equals 8,604.206501 calories. The conversion chart on this page lists the other values people look up most often.

Related energy conversions

Convert Wh to other units

Convert other units to calories

Popular conversions

cm to inchesinches to cmkg to lbslbs to kgCelsius to FahrenheitFahrenheit to Celsiusmm to inchesinches to mmkm to milesmiles to kmmeters to feetfeet to meterscm to feetfeet to inchesinches to feetml to fl ozfl oz to mlliters to gallonsgallons to literscups to ml