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 = 860.421 cal

1 watt hour equals 860.421 calories. Going the other way, 1 calorie = 0.00116222 watt hours.

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

Convert 15 Wh to calories:

15 Wh = 12,906.3 cal

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

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.

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

How many calories are in a watt hour?

1 Wh equals 860.421 calories. Going the other way, 1 calories is 0.00116222 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 8,604.21 calories. The conversion chart on this page lists the other values people look up most often.