calorie cal

4.184 J. The energy to heat 1 g water by 1 °C.

Quick convert — calorie to popular units

Live converter, three directions. Type any value to update all three.

calorie
joule
1 cal = 4.184J
calorie
kilojoule
1 cal = 0.0042kJ
calorie
kilocalorie
1 cal = 0.001kcal

Conversion table — calorie to every Energy unit

All values for 1 cal (forward) and 1 reverse unit → {symbol}.

To / From 1 cal = 1 to-unit =
joule (J) 4.184 J 0.23900574 cal
kilojoule (kJ) 0.004184 kJ 239.00573614 cal
kilocalorie (kcal) 0.001 kcal 1,000 cal
watt-hour (Wh) 0.00116222 Wh 860.4206501 cal
kilowatt-hour (kWh) 1.162222e-6 kWh 860,420.6500956 cal
British thermal unit (BTU) 0.00396567 BTU 252.16440072 cal
electronvolt (eV) 2.611447e+19 eV 3.829294e-20 cal
foot-pound (ft·lb) 3.08596003 ft·lb 0.32404827 cal
therm (thm) 3.965667e-8 thm 25,216,440.07217973 cal

Frequently Asked Questions

What does cal stand for?

calorie (cal) is a unit of Energy.

How many cal are in 1 J?

1 J = 4.184 cal, so 1 cal = 0.239006 J.

Is this the SI base unit?

No. calorie is one of several units in the Energy category. The SI base is J.

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