Konverter Energi

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Quick answers.

›Calorie or kilocalorie on food labels?

On food labels in the US the 'Calorie' (capital C) is actually a kilocalorie (1,000 small calories). Most other countries label them as kcal or kJ to avoid confusion.

›How much is 1 kWh?

1 kilowatt-hour = 3.6 million joules. It's the energy you'd use running a 1,000 W appliance (like a microwave) for one hour.

›What's a BTU?

A British Thermal Unit is the energy needed to heat one pound of water by 1 °F — about 1,055 joules. Used widely in HVAC and heating ratings.

›Is the converter free?

Yes — free, no signup, runs in your browser.

›How precise are the conversions?

Double-precision floats — accurate to 15 significant digits, well past anything you'll need in practice.