Convert calorie to watt-hour
1 cal = 0.001162222222 Wh
1 cal = 0.00116 Wh
1 cal in every energy unit
| joule | 4.18 J |
| kilojoule | 0.00418 kJ |
| megajoule | 0.00000418 MJ |
| calorie | 1 cal |
| kilocalorie | 0.001 kcal |
| watt-hour | 0.00116 Wh |
| kilowatt-hour | 0.00000116 kWh |
| British thermal unit | 0.00397 BTU |
| foot-pound | 3.09 ft⋅lb |
| electron volt | 2.61e+19 eV |
| kiloelectron volt | 2.61e+16 keV |
| megaelectron volt | 26,100,000,000,000 MeV |
How the conversion works
Multiply by 0.001162222222 to go from calorie to watt-hour, 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? watt-hour to calorie — 1 Wh = 860.4206501 cal.
calorie to watt-hour — common values
| 1 cal | 0.0011622222 Wh |
| 2 cal | 0.0023244444 Wh |
| 3 cal | 0.0034866667 Wh |
| 5 cal | 0.0058111111 Wh |
| 10 cal | 0.011622222 Wh |
| 15 cal | 0.017433333 Wh |
| 20 cal | 0.023244444 Wh |
| 25 cal | 0.029055556 Wh |
| 50 cal | 0.058111111 Wh |
| 75 cal | 0.087166667 Wh |
| 100 cal | 0.11622222 Wh |
| 250 cal | 0.29055556 Wh |
| 500 cal | 0.58111111 Wh |
| 1000 cal | 1.1622222 Wh |