100 calories to kilocalories

100 cal = 0.1 kcal. Change the amount below, or read the formula and the reference table further down.

100 calories equals

0.1kilocalories

1 cal = 0.001 kcal

The formula

Calories and kilocalories both measure energy from the same zero, so a single multiplier does the job.

kcal = cal × 0.001

Going the other way? Convert kilocalories to calories.

Calories to kilocalories table

Values either side of 100 cal.

Calories (cal)Kilocalories (kcal)
00
100.01
200.02
300.03
400.04
500.05
600.06
700.07
800.08
900.09
1000.1
1100.11
1200.12
1300.13
1400.14
1500.15
1600.16
1700.17
1800.18
1900.19
2000.2

Questions people ask

How many kilocalories are in a calorie?
One calorie equals 0.001 kilocalories.
How do I convert calories to kilocalories by hand?
Multiply the number of calories by 0.001. For a rough check, 0.001 is close enough for most everyday use.
What is 100 calories in kilocalories?
100 calories is 0.1 kilocalories.

Calcuit generates this page from a unit table, so the factors here match every other page on the site.

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