Convert kilocalorie to megajoule

1 kcal = 0.004184 MJ

1 kcal = 0.00418 MJ
1 kcal in every energy unit
joule4,180 J
kilojoule4.18 kJ
megajoule0.00418 MJ
calorie1,000 cal
kilocalorie1 kcal
watt-hour1.16 Wh
kilowatt-hour0.00116 kWh
British thermal unit3.97 BTU
foot-pound3,090 ft⋅lb
electron volt2.61e+22 eV
kiloelectron volt2.61e+19 keV
megaelectron volt2.61e+16 MeV
How the conversion works

Multiply by 0.004184 to go from kilocalorie to megajoule, or divide by it to go back. Every conversion on this site routes through the SI value (J) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.

Going the other way? megajoule to kilocalorie — 1 MJ = 239.0057361 kcal.

kilocalorie to megajoule — common values
1 kcal0.004184 MJ
2 kcal0.008368 MJ
3 kcal0.012552 MJ
5 kcal0.02092 MJ
10 kcal0.04184 MJ
15 kcal0.06276 MJ
20 kcal0.08368 MJ
25 kcal0.1046 MJ
50 kcal0.2092 MJ
75 kcal0.3138 MJ
100 kcal0.4184 MJ
250 kcal1.046 MJ
500 kcal2.092 MJ
1000 kcal4.184 MJ