Convert kilocalorie to joule
1 kcal = 4,184 J
1 kcal = 4,180 J
1 kcal in every energy unit
| joule | 4,180 J |
| kilojoule | 4.18 kJ |
| megajoule | 0.00418 MJ |
| calorie | 1,000 cal |
| kilocalorie | 1 kcal |
| watt-hour | 1.16 Wh |
| kilowatt-hour | 0.00116 kWh |
| British thermal unit | 3.97 BTU |
| foot-pound | 3,090 ft⋅lb |
| electron volt | 2.61e+22 eV |
| kiloelectron volt | 2.61e+19 keV |
| megaelectron volt | 2.61e+16 MeV |
How the conversion works
Multiply by 4,184 to go from kilocalorie to joule, 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? joule to kilocalorie — 1 J = 0.0002390057361 kcal.
kilocalorie to joule — common values
| 1 kcal | 4,184 J |
| 2 kcal | 8,368 J |
| 3 kcal | 12,552 J |
| 5 kcal | 20,920 J |
| 10 kcal | 41,840 J |
| 15 kcal | 62,760 J |
| 20 kcal | 83,680 J |
| 25 kcal | 104,600 J |
| 50 kcal | 209,200 J |
| 75 kcal | 313,800 J |
| 100 kcal | 418,400 J |
| 250 kcal | 1,046,000 J |
| 500 kcal | 2,092,000 J |
| 1000 kcal | 4,184,000 J |