Convert Kilowatt-hours to Kilocalories

The kWh-to-kcal conversion appears often when working with energy data across different unit systems. Energy conversions connect food nutrition labels (calories), electricity bills (kWh), and scientific measurements in joules or BTU.

To convert, multiply the kilowatt-hours value by 860.421. Written as an equation: kcal = kWh × 860.421.

One kilowatt-hours equals approximately 860.42065 kcal. This means you can multiply any kWh value by 860.42065 to get the equivalent in kcal.

Worked example: 1 kWh = 860.42065 kcal. Enter your own value in the converter above for instant results.

Common mistake: Food calories on nutrition labels are actually kilocalories (kcal), which confuses many people when comparing to joules or watt-hours.

Bookmark this page for quick kWh to kcal conversions, or use the swap button to reverse the direction and convert kcal back to kWh.