Calorie to Watt Hour (cal to Wh)

Convert cal to WhEnergy converter

One calorie equals 0.0011622222 Wh, so to convert calories to watt-hours you multiply the value by 0.0011622222. A calorie is smaller than a watt hour — going the other way, 1 Wh = 860.42065 cal. For example, 10 cal = 0.01162222 Wh and 50 cal = 0.05811111 Wh.

0.0011622222Click to copy

1 cal = 0.0011622222 Wh

Calorie to Watt Hour formula

1 Calorie = 0.0011622222 Wh

Worked examples

  • 25 cal = 0.02905556 Wh
  • 100 cal = 0.11622222 Wh

Calorie to Watt Hour conversion table

Calorie (cal)Watt Hour (Wh)
10.0011622222
20.0023244444
30.0034866667
50.0058111111
80.0092977778
100.01162222
120.01394667
150.01743333
200.02324444
250.02905556
500.05811111
1000.11622222
2500.29055556
5000.58111111
10001.162222

Frequently asked questions

How many watt-hours are in one calorie?

One calorie equals 0.0011622222 watt-hours (Wh).

How many calories are in one watt hour?

One watt hour equals 860.42065 calories (cal).

How do you convert calories to watt-hours?

1 Calorie = 0.0011622222 Wh. Use the calculator above for any value.

What is 5 cal in Wh?

5 cal = 0.0058111111 Wh.

What is 100 cal in Wh?

100 cal = 0.11622222 Wh.

What is 10 cal in Wh?

10 cal = 0.01162222 Wh.

What is 20 cal in Wh?

20 cal = 0.02324444 Wh.

Is a calorie bigger than a watt hour?

No. A calorie is smaller — one calorie equals 0.0011622222 watt-hours, while one watt hour equals 860.42065 calories.

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