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Watt hours to Calories

One watt hour is 860.4207 calories. Energy units for food, electricity and physics. The "calorie" on a nutrition label is a kilocalorie — 1,000 of the calories used in physics.

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860.4207

1 watt hour = 860.4207 calories · open this conversion

Formula

calories = watt hours × 860.42065

A food Calorie (capital C) is a kilocalorie. The thermochemical calorie of 4.184 J is used here.

Watt hours to Calories table

Watt hoursCalories
1 Wh860.4207 cal
2 Wh1,720.841 cal
5 Wh4,302.103 cal
10 Wh8,604.207 cal
20 Wh17,208.41 cal
25 Wh21,510.52 cal
50 Wh43,021.03 cal
100 Wh86,042.07 cal
150 Wh129,063.1 cal
200 Wh172,084.1 cal
250 Wh215,105.2 cal
300 Wh258,126.2 cal
400 Wh344,168.3 cal
500 Wh430,210.3 cal
600 Wh516,252.4 cal
800 Wh688,336.5 cal
1,000 Wh860,420.7 cal
1,500 Wh1,290,631 cal
2,000 Wh1,720,841 cal
2,500 Wh2,151,052 cal
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Other energy conversions

Frequently asked questions

How many calories are in a watt hour?
One watt hour is 860.4207 calories. calories = watt hours × 860.42065.
How do I convert watt hours to calories?
Multiply the number of watt hours by 860.42065. For example, 10 Wh × 860.42065 = 8,604.207 cal.
What is the difference between watt hours and calories?
Watt hour (Wh) and Calorie (cal) both measure energy. Energy units for food, electricity and physics. The "calorie" on a nutrition label is a kilocalorie — 1,000 of the calories used in physics.
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