Convert BTU (IT) (btu) to Kilocalorie (kcal) (kcal)
Category: Energy
2.5 btu = 0.630411 kcal
High-precision rounding: 6 decimals
How to convert btu (it) to kilocalorie (kcal)
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 BTU (IT)
British thermal unit (BTU)
≈1,055.06 J (IT). Common in HVAC sizing and fuel energy content (per lb or per ft³).
History: Industrial steam era popularized BTU; persists for practical North American engineering.
About Kilocalorie (kcal)
Kilocalorie (kcal)
Equals 1,000 cal; labeled as ‘Calorie’ on food packaging. Converts to joules for scientific comparisons.
History: Nutrition science standardized kcal for daily intake guidelines and labels.
Related conversions from btu
Related conversions to kcal
- cal → kcal Calorie (cal)
- j → kcal Joule (J)
- kwh → kcal Kilowatt-hour (kWh)
- wh → kcal Watt-hour (Wh)