Calories to Microjoules Converter

Engineering

Joules, calories, kilowatt-hours and more.

How to convert Calories to Microjoules

Multiply the calories value by 4.184e+6: 1 cal = 4.184e+6 µJ. Going the other way, 1 µJ = 2.3901e-7 cal, so divide by 4.184e+6 or use the Microjoules to Calories converter.

About these units

Calories (cal)

The calorie used here is the thermochemical calorie, exactly 4.184 joules, roughly the energy needed to warm one gram of water by one degree Celsius. Food calories are actually kilocalories.

Calories to Microjoules conversion table

Calories (cal)Microjoules (µJ)
1 cal4.184e+6 µJ
2 cal8.368e+6 µJ
3 cal1.2552e+7 µJ
4 cal1.6736e+7 µJ
5 cal2.092e+7 µJ
10 cal4.184e+7 µJ
20 cal8.368e+7 µJ
25 cal1.046e+8 µJ
50 cal2.092e+8 µJ
100 cal4.184e+8 µJ
500 cal2.092e+9 µJ
1,000 cal4.184e+9 µJ

More calories conversions