1 kcal equals 1,000 cal. To convert kcal to cal, multiply the value by 1,000; divide by 1,000 to convert back. Enter any number above and the result appears instantly — free and entirely in your browser.
How do you convert kcal to cal?
The conversion formula is cal = kcal × 1,000. The conversion factor is fixed by definition, so the result is always exact.
kcal to cal conversion table
| kcal | cal |
|---|---|
| 1 kcal | 1,000 cal |
| 2 kcal | 2,000 cal |
| 5 kcal | 5,000 cal |
| 10 kcal | 10,000 cal |
| 100 kcal | 100,000 cal |
| 1,000 kcal | 1,000,000 cal |
What is kcal (kcal)?
The kilocalorie (kcal), also written Calorie, equals 1,000 calories or 4.184 kJ. It is the food-energy unit used in nutrition worldwide.
What is cal (cal)?
The calorie (cal) is roughly the energy to warm one gram of water by 1 °C, about 4.184 joules. The 'calories' on food labels are actually kilocalories.
Why convert kcal to cal?
Energy units come from different fields: joules and kilojoules in physics, kilocalories on food labels, kilowatt-hours on electricity bills, BTU in heating and air-conditioning. Converting between them is common for nutrition, utility bills and HVAC.
One kilocalorie (the food Calorie) equals exactly 4.184 kJ — which is why nutrition labels show both. One kilowatt-hour is 3.6 MJ, equal to about 3,412 BTU or 860 kcal (BIPM/ISO).
How to convert kcal to cal
- Enter the value in kcal into the left field of the converter.
- Read the result in cal instantly in the right field — it updates automatically.
- Use the swap button to reverse the direction (cal to kcal).
The converter runs entirely in your browser: no uploads, no queue, no limits. You can even use it offline.