Gram calorie to KilocalorieConverter
Instantly convert Gram calorie (cal) to Kilocalorie (kcal). Free, accurate, and easy to use.
How to Convert Gram calorie to Kilocalorie
To convert Gram calorie (cal) to Kilocalorie (kcal), multiply your value by 0.001.
Example: 5 cal × 0.001 = 0.005 kcal
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.
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.
Gram calorie to Kilocalorie Conversion Table
| Gram calorie (cal) | Kilocalorie (kcal) |
|---|---|
| 0.001 cal | 0.000001 kcal |
| 0.01 cal | 0.00001 kcal |
| 0.1 cal | 0.0001 kcal |
| 0.5 cal | 0.0005 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 |
| 200 cal | 0.2 kcal |
| 500 cal | 0.5 kcal |
| 1000 cal | 1 kcal |
| 5000 cal | 5 kcal |
| 10000 cal | 10 kcal |
| 50000 cal | 50 kcal |
| 100000 cal | 100 kcal |
| 1000000 cal | 1000 kcal |
| 1000000000 cal | 1000000 kcal |
Frequently Asked Questions
How do I convert Gram calorie to Kilocalorie?
Multiply the Gram calorie value by 0.001. Formula: kcal = cal × 0.001. Example: 10 cal = 0.01 kcal.
How many Kilocalorie are in one Gram calorie?
One Gram calorie (cal) equals 0.001 Kilocalorie (kcal).
How many Gram calorie are in one Kilocalorie?
One Kilocalorie (kcal) equals 1000 Gram calorie (cal).
What is the exact conversion factor from Gram calorie to Kilocalorie?
The conversion factor is 0.001. Multiply any cal value by this number to get kcal. For the reverse, multiply by 1000.
How do I convert Kilocalorie back to Gram calorie?
Divide by 0.001, or equivalently multiply by 1000. Formula: cal = kcal ÷ 0.001.
Is the Gram calorie-to-Kilocalorie conversion internationally standardized?
Yes. Both units are defined by international standards (SI or the international yard/pound agreement), so the conversion factor 0.001 is exact and universally agreed upon.