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Energy Conversions

Energy conversions: joules, calories, kilowatt-hours, BTU. Common in cooking nutrition, physics, and utility calculations.

Popular energy conversions

Joules to CaloriesCalories to JoulesKilowatt-hours to Joules

All energy conversions

Joules to CaloriesCalories to JoulesKilowatt-hours to Joules

About energy units

Energy conversions: joules, calories, kilowatt-hours, BTU. Common in cooking nutrition, physics, and utility calculations. We currently list 3 energy conversions — pick one from the list above, or use the calculator at the top to convert between any pair.