Convert Joule (J) (j) to Kilowatt-hour (kWh) (kwh)
Category: Energy
1 j = 0 kwh
High-precision rounding: 6 decimals
How to convert joule (j) to kilowatt-hour (kwh)
We convert by pivoting through the SI base unit for Energy and applying exact factors where applicable.
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Examples
Linear unit conversions use standardized factors; many are exact by definition (e.g., 1 in = 25.4 mm, 1 ft = 0.3048 m).
Common mistakes
- Confusing calorie (cal) with kilocalorie (kcal) on nutrition labels.
- Treating BTU definitions interchangeably without noting standard (IT vs other).
About Energy
Energy is the capacity to do work. Joules form the SI base; Wh/kWh align with metering and batteries; calories and BTU survive in nutrition and HVAC. Conversions bridge mechanical, thermal, and electrical perspectives.
About Joule (J)
Joule (J)
SI energy unit equal to N·m. Fundamental in physics, electronics (J = W·s), and thermodynamics.
History: Named after James P. Joule. Became universal with SI coherence across mechanical and electrical domains.
About Kilowatt-hour (kWh)
Kilowatt-hour (kWh)
Equals 1,000 Wh. Used by utilities and home energy monitoring; easy to relate to monthly costs.
History: Standard billing unit; maps neatly to real-world appliance usage and tariffs.
Related conversions from j
Related conversions to kwh
- btu → kwh BTU (IT)
- cal → kwh Calorie (cal)
- kcal → kwh Kilocalorie (kcal)
- wh → kwh Watt-hour (Wh)