How do I convert kilocalories back to calories?

Use the reverse converter: 1 kilocalorie equals 1000 cal.

Is this converter accurate?

Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

To convert calories to kilocalories, multiply the value by 0.001.

kcal = cal × 0.001

40 cal × 0.001 = 0.04 kcal

Calorie (cal): The thermochemical calorie is exactly 4.184 joules, historically the heat to warm one gram of water by 1 °C.
Kilocalorie (kcal): The "food calorie" on nutrition labels. Equal to 4,184 joules.

How do I convert calories to kilocalories?: To convert calories to kilocalories, multiply the value by 0.001.
How many kilocalories are in 1 calorie?: 1 calorie equals 0.001 kcal.
How many kilocalories are in 10 calories?: 10 cal equals 0.01 kcal.
How do I convert kilocalories back to calories?: Use the reverse converter: 1 kilocalorie equals 1000 cal.
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.