OnceHesap

Energy Converter

Convert between energy units.

How to use

  1. Enter your values in the fields above.
  2. Press Calculate to see your result instantly.
  3. Use the Share button to copy a link to your result.

About this calculator

This converter moves energy values between joules, kilojoules, kilocalories (food calories) and kilowatt-hours, the units that show up in physics, nutrition and electricity billing respectively. A food label's "calories" are actually kilocalories, and 1 kWh — what your electricity meter counts — equals exactly 3.6 million joules.

It's used by students solving physics problems that mix units, by anyone comparing a food's energy content to a workout's calorie burn, and by people converting an appliance's rated energy use into the kWh figure that appears on a power bill.

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