How Many Watt-hours in a Calorie?

Quick Answer
1 Calorie = 0.001 Watt-hours

1 cal = 0.001 Wh

Formula

Wh = cal × 0.001

Conversion Table

Calories (cal)Watt-hours (Wh)
1 cal0.001 Wh
2 cal0.002 Wh
5 cal0.006 Wh
10 cal0.012 Wh
20 cal0.023 Wh
50 cal0.058 Wh
100 cal0.116 Wh
500 cal0.581 Wh
1,000 cal1.162 Wh

Worked Examples

Convert 5 cal to Wh:
5 cal × 0.001 = 0.006 Wh
Convert 10 cal to Wh:
10 cal × 0.001 = 0.012 Wh
Convert 50 cal to Wh:
50 cal × 0.001 = 0.058 Wh

FAQ

How many Watt-hours are in 1 Calorie?
There are 0.001 Watt-hours in 1 Calorie. Formula: Wh = cal × 0.001.
How to convert Calories to Watt-hours?
To convert Calories to Watt-hours, multiply the number of Calories by 0.001. For example, 10 cal = 0.012 Wh.
How many Watt-hours are in 100 Calories?
There are 0.116 Watt-hours in 100 Calories. Calculation: 100 × 0.001 = 0.116.