Kilocalorie to Gram calorieConverter

Instantly convert Kilocalorie (kcal) to Gram calorie (cal). Free, accurate, and easy to use.

kcal
cal
1 kcal = 1000 cal

How to Convert Kilocalorie to Gram calorie

To convert Kilocalorie (kcal) to Gram calorie (cal), multiply your value by 1000.

cal = kcal × 1000

Example: 5 kcal × 1000 = 5000 cal

What is a Kilocalorie?

The kilocalorie (kcal) equals 1,000 gram calories or approximately 4,184 Joules, and appears on food nutrition labels worldwide as 'Calories' (with a capital C) in the United States. An average adult diet of 2,000–2,500 kcal per day supplies about 8,370–10,460 kJ. Resting metabolic rate consumes approximately 60–80 kcal per hour. Running burns roughly 600–900 kcal per hour depending on pace and body weight.

What is a Gram calorie?

The gram calorie (small calorie, cal) is the heat required to raise the temperature of 1 gram of water by 1 °C, equal to exactly 4.184 Joules. It is used in chemistry and thermodynamics for heat calculations. The food 'Calorie' (capital C) printed on nutrition labels is actually a kilocalorie (kcal) — 1,000 times larger. One gram calorie is a very small amount of energy in everyday terms.

Kilocalorie to Gram calorie Conversion Table

Kilocalorie (kcal)Gram calorie (cal)
0.001 kcal1 cal
0.01 kcal10 cal
0.1 kcal100 cal
0.5 kcal500 cal
1 kcal1000 cal
2 kcal2000 cal
5 kcal5000 cal
10 kcal10000 cal
20 kcal20000 cal
50 kcal50000 cal
100 kcal100000 cal
200 kcal200000 cal
500 kcal500000 cal
1000 kcal1000000 cal
5000 kcal5000000 cal
10000 kcal10000000 cal
50000 kcal50000000 cal
100000 kcal100000000 cal
1000000 kcal1000000000 cal
1000000000 kcal1.0000e+12 cal

Frequently Asked Questions

How do I convert Kilocalorie to Gram calorie?

Multiply the Kilocalorie value by 1000. Formula: cal = kcal × 1000. Example: 10 kcal = 10000 cal.

How many Gram calorie are in one Kilocalorie?

One Kilocalorie (kcal) equals 1000 Gram calorie (cal).

How many Kilocalorie are in one Gram calorie?

One Gram calorie (cal) equals 0.001 Kilocalorie (kcal).

What is the exact conversion factor from Kilocalorie to Gram calorie?

The conversion factor is 1000. Multiply any kcal value by this number to get cal. For the reverse, multiply by 0.001.

How do I convert Gram calorie back to Kilocalorie?

Divide by 1000, or equivalently multiply by 0.001. Formula: kcal = cal ÷ 1000.

Is the Kilocalorie-to-Gram calorie conversion internationally standardized?

Yes. Both units are defined by international standards (SI or the international yard/pound agreement), so the conversion factor 1000 is exact and universally agreed upon.