Calorie

cal

Vědecká jednotka

The calorie is a unit of thermal energy defined as the heat required to raise 1 gram of water by 1°C. While largely superseded by joules, it remains in some scientific contexts.

Rychlý převodník

1 cal = kJ

Řídí formát zobrazení. Velmi malá nebo velmi velká čísla budou zobrazena ve vědecké notaci (např. 1,5e-6).

Calorie (cal)

The calorie is a unit of thermal energy defined as the heat required to raise 1 gram of water by 1°C. While largely superseded by joules, it remains in some scientific contexts.

Characteristics

  • Energy unit (CGS system)
  • 1 cal = 4.184 joules
  • Historical use: food energy before kilocalories
  • Scientific contexts: thermochemistry, specific heat
  • Not to be confused: with kilocalories (food “Calories”)

Conversions

  • 1 cal = 4.184 J
  • 1 cal = 0.004184 kJ
  • 1 cal = 0.001 kcal
  • 1 cal = 0.00000397 BTU
  • 1 cal = 0.001163 Wh
  • 1000 calories = 1 kilocalorie

Související jednotky

Používáno v regionech

Historical Chemistry
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