At One Place

Kilocalories to watt-hours

1 kilocalorie in watt-hours
1 kcal = 1.162222 Wh
Wh = kcal × 1.162222222

To convert kilocalories to watt-hours, multiply by 1.162222222. The table below gives the values people look up most often, and the converter works for any number.

Kilocalories to watt-hours table

Common kilocalorie values converted to watt-hours.
Kilocalories Watt-hours
1 kcal 1.162222
2 kcal 2.324444
3 kcal 3.486667
4 kcal 4.648889
5 kcal 5.811111
10 kcal 11.62222
15 kcal 17.43333
20 kcal 23.24444
25 kcal 29.05556
30 kcal 34.86667
40 kcal 46.48889
50 kcal 58.11111
75 kcal 87.16667
100 kcal 116.2222
250 kcal 290.5556
500 kcal 581.1111
1,000 kcal 1,162.2222

How the conversion works

The relationship is Wh = kcal × 1.162222222. Both units measure energy, so the conversion is a fixed factor that never changes.

Kilocalorie: The "calorie" on food labels.

Common questions

How many watt-hours are in one kilocalorie?
One kilocalorie equals 1.162222 watt-hours. Wh = kcal × 1.162222222.
How do you convert kilocalories to watt-hours?
Use Wh = kcal × 1.162222222. So 10 kcal is 11.62222 Wh.
How many kilocalories are in one watt-hour?
One watt-hour equals 0.86042 kilocalories, which is the reverse of the conversion above.
Is there more than one kind of kilocalorie?
The "calorie" on food labels.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked