How many kilocalories are in 1 watt-hour?

1 watt-hour equals 0.860421 kcal.

How do I convert kilocalories back to watt-hours?

Use the reverse converter: 1 kilocalorie equals 1.16222 Wh.

Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

To convert watt-hours to kilocalories, multiply the value by 0.86042065.

kcal = Wh × 0.86042065

20 Wh × 0.86042065 = 17.21 kcal

Watt-hour (Wh): Used for battery capacity. Equal to 3,600 joules.
Kilocalorie (kcal): The "food calorie" on nutrition labels. Equal to 4,184 joules.

How do I convert watt-hours to kilocalories?: To convert watt-hours to kilocalories, multiply the value by 0.86042065.
How many kilocalories are in 1 watt-hour?: 1 watt-hour equals 0.860421 kcal.
How many kilocalories are in 10 watt-hours?: 10 Wh equals 8.60421 kcal.
How do I convert kilocalories back to watt-hours?: Use the reverse converter: 1 kilocalorie equals 1.16222 Wh.
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.