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Unit Converters Converter
Fixed conversion factors, reviewed October 2026 — exact SI and customary ratios, not a calibrated instrument or legal-for-trade measure.
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One kilowatt-hour (kWh) is exactly 3,600,000 joules — a 1 kW heater running for one hour. Food energy here uses the thermochemical kilocalorie (1 kcal = 4,184 J). Do not treat a diet calorie and a bill unit as interchangeable: 1 kWh is about 860 kcal of heat, which is not how nutrition labels are meant to be read.
kWh, joules, and food kilocalories are related by exact factors here. Nutrition labels, exercise machines, and DISCOM slabs each apply extra rules this page does not. Convert energy; do not treat a diet kcal as a bill unit.
It does not apply tariff slabs, turn a diet plan into a bill (or back), or account for appliance efficiency — energy in, the same energy out, nothing priced.
Static conversion factors — not for precision metrology.
Yes. DISCOMs bill energy in units, and one unit is one kilowatt-hour. This converter does not apply slab tariffs — only the energy itself.
Instruments apply temperature, calibration, and rounding rules this converter does not. For everyday conversions the factors here are exact; for certification, use calibrated equipment.
Where both exist — such as gallons — the unit list names each, so pick the one you mean.
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