Calories → Watt-hour converter (cal to W⋅hr) - Energy Converter

Table Of Contents

Calories to watt-hour Conversion
Formula
Examples
- Convert 1000 calories to watt-hour:
Conversion table

Calories to watt-hour Conversion

1 calories (cal) is equal to 0.001162222222 watt-hour (W⋅hr).

1 cal = 0.001162222222 W⋅hr

1 W⋅hr = 860.4206501 cal

Formula

To convert a energy from calories (cal) to watt-hour (W⋅hr), divide the energy in calories by 860.4206501

e_(W⋅hr) = e_(cal) / 860.4206501

Examples:

Convert 1000 calories to watt-hour:

e_(W⋅hr) = 1000cal / 860.4206501 = 1.162222222 W⋅hr

Conversion table

Calories (cal)	Watt-hour (W⋅hr)
1 cal	0.001162222 W⋅hr
2 cal	0.002324444 W⋅hr
3 cal	0.003486667 W⋅hr
5 cal	0.005811111 W⋅hr
10 cal	0.011622222 W⋅hr
20 cal	0.023244444 W⋅hr
25 cal	0.029055556 W⋅hr
50 cal	0.058111111 W⋅hr
100 cal	0.116222222 W⋅hr
250 cal	0.290555556 W⋅hr
500 cal	0.581111111 W⋅hr
1000 cal	1.162222222 W⋅hr

Calories (cal)

Watt-hour (W⋅hr)

1 cal

0.001162222 W⋅hr

2 cal

0.002324444 W⋅hr

3 cal

0.003486667 W⋅hr

5 cal

0.005811111 W⋅hr

10 cal

0.011622222 W⋅hr

20 cal

0.023244444 W⋅hr

25 cal

0.029055556 W⋅hr

50 cal

0.058111111 W⋅hr

100 cal

0.116222222 W⋅hr

250 cal

0.290555556 W⋅hr

500 cal

0.581111111 W⋅hr

1000 cal

1.162222222 W⋅hr

Watt-hour (W⋅hr)	Calories (cal)
1 W⋅hr	860.420650096 cal
2 W⋅hr	1720.841300191 cal
3 W⋅hr	2581.261950287 cal
5 W⋅hr	4302.103250478 cal
10 W⋅hr	8604.206500956 cal
20 W⋅hr	17208.413001912 cal
25 W⋅hr	21510.51625239 cal
50 W⋅hr	43021.03250478 cal
100 W⋅hr	86042.06500956 cal
250 W⋅hr	215105.162523901 cal
500 W⋅hr	430210.325047801 cal
1000 W⋅hr	860420.650095602 cal

Watt-hour (W⋅hr)

Calories (cal)

1 W⋅hr

860.420650096 cal

2 W⋅hr

1720.841300191 cal

3 W⋅hr

2581.261950287 cal

5 W⋅hr

4302.103250478 cal

10 W⋅hr

8604.206500956 cal

20 W⋅hr

17208.413001912 cal

25 W⋅hr

21510.51625239 cal

50 W⋅hr

43021.03250478 cal

100 W⋅hr

86042.06500956 cal

250 W⋅hr

215105.162523901 cal

500 W⋅hr

430210.325047801 cal

1000 W⋅hr

860420.650095602 cal

Frequently asked questions

How do I convert calories to watt-hour?

Divide the value in calories by 860.4206501 to get the result in watt-hour. For example, 5 cal ÷ 860.4206501 = 0.005811111 W⋅hr.

How many watt-hour are in 1 calories?

1 calories (cal) is equal to 0.001162222 watt-hour (W⋅hr).

How do I convert watt-hour back to calories?

Use the inverse operation: multiply the value in watt-hour by 860.4206501 to get the result in calories.

How accurate is the calories to watt-hour conversion?

The converter multiplies by the conversion factor 860.4206501 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.