Watt-hours to Calories

Convert watt-hours (Wh) to calories (cal). Type in either box; the other updates as you go.

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1 Wh = 860.42065 cal

1 watt-hour equals860.4206501 cal
1 calorie equals0.001162222222 Wh
Formulacal = Wh × 860.4206501

How to convert watt-hours to calories

To convert watt-hours to calories, multiply the number of watt-hours by 860.4206501.

cal = Wh × 860.4206501

Example

Convert 5 watt-hours to calories:

5 Wh × 860.4206501 = 4,302.1 cal

Watt-hour to calorie conversion chart

Watt-hours to calories
Watt-hours (Wh)Calories (cal)
1 Wh860.4207 cal
2 Wh1,720.841 cal
3 Wh2,581.262 cal
4 Wh3,441.683 cal
5 Wh4,302.103 cal
6 Wh5,162.524 cal
7 Wh6,022.945 cal
8 Wh6,883.365 cal
9 Wh7,743.786 cal
10 Wh8,604.207 cal
12 Wh10,325.05 cal
15 Wh12,906.31 cal
20 Wh17,208.41 cal
25 Wh21,510.52 cal
30 Wh25,812.62 cal
40 Wh34,416.83 cal
50 Wh43,021.03 cal
60 Wh51,625.24 cal
70 Wh60,229.45 cal
75 Wh64,531.55 cal
80 Wh68,833.65 cal
90 Wh77,437.86 cal
100 Wh86,042.07 cal
150 Wh129,063.1 cal
200 Wh172,084.1 cal
250 Wh215,105.2 cal
500 Wh430,210.3 cal
1,000 Wh860,420.7 cal

Going the other way? See the calories to watt-hours chart.

About the units

Watt-hour (Wh)

A watt-hour is the energy of one watt for one hour, 3,600 joules. Batteries are rated in watt-hours.

Calorie (cal)

A small calorie (thermochemical) is exactly 4.184 joules, the energy to warm one gram of water by about one degree Celsius.

Frequently asked questions

How many calories are in a watt-hour?

There are 860.4206501 calories in a watt-hour.

How many watt-hours are in a calorie?

There are 0.001162222222 watt-hours in a calorie.

How do you convert watt-hours to calories?

To convert watt-hours to calories, multiply the number of watt-hours by 860.4206501.

What is 5 watt-hours in calories?

5 watt-hours equals 4,302.1 calories.

Convert between joules, calories, kilocalories, kilowatt-hours and BTU. Open the energy converter to see a value in every unit at once.