ENERGY CONVERSION
Calorie (thermochemical) to Kilocalorie.
Convert calorie (thermochemical) (cal) to kilocalorie (kcal), with the math explained.
1 cal = 0.001 kcal
THE MATH, MADE SIMPLE
How to convert calorie (thermochemical) to kilocalorie
Multiply your calorie (thermochemical) value by 0.001 to get the equivalent in kilocalorie. Both units are normalized through the joule.
kcal = cal × 0.00110 cal = 0.01 kcal
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.QUICK REFERENCE
cal to kcal conversion table
| Calorie (thermochemical) (cal) | Kilocalorie (kcal) |
|---|---|
| 1 cal | 0.001 kcal |
| 2 cal | 0.002 kcal |
| 5 cal | 0.005 kcal |
| 10 cal | 0.01 kcal |
| 20 cal | 0.02 kcal |
| 50 cal | 0.05 kcal |
| 100 cal | 0.1 kcal |
| 500 cal | 0.5 kcal |
| 1,000 cal | 1 kcal |
About the calorie (thermochemical)
The calorie (thermochemical) (cal) is a unit of energy. One calorie (thermochemical) equals 4.184 joule (base unit) in this calculator.
All calorie (thermochemical) conversionsAbout the kilocalorie
The kilocalorie (kcal) is a unit of energy. One kilocalorie equals 4,184 joule (base unit) in this calculator.
All kilocalorie conversionsCommon questions
What is 1 cal in kcal?
One calorie (thermochemical) equals 0.001 kcal. Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
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