kcal to kWh
860 kcal make one kilowatt-hour. Someone eating 2,000 kcal a day handles about 2.3 kWh of energy — enough to run a 60 W bulb for 39 hours.
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Common values
Formula
kWh = kcal × 0.001163
The body cannot use food energy at full efficiency. Real conversion runs 20–25 per cent and the rest leaves as heat.
Frequently asked questions
QHow many kWh is 1 kcal?
1 kcal is 0.00116 kWh, and 10 kcal is 0.01163 kWh. Type any value in the box above to convert instantly.
QAnd how many kcal is 1 kWh?
1 kWh is 859.84523 kcal. This converter works both ways, so typing in the right box updates the left one.
QWhere is this unit used?
The body cannot use food energy at full efficiency. Real conversion runs 20–25 per cent and the rest leaves as heat.
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Traditional units (geun, doe, majigi and so on) vary by region and product.