Convert kcal to BTU
Enter the number of kilocalories that you want to convert to btu.
How to Convert Kilocalories to BTU
The kilocalorie and british thermal unit are both units of energy. 1 kilocalorie equals 3.9656668314 btu. This means to convert kilocalories to btu, you multiply by 3.9656668314.
Formula
Step-by-Step Example
Convert 5 kcal to btu:
We need to convert kilocalories to btu
Since 1 kcal = 3.9656668314 BTU, multiply by 3.9656668314
5 × 3.9656668314 = 19.828334157
5 kcal = 19.828334157 BTU
Kilocalorie to British Thermal Unit Conversion Table
Quick reference table for common kilocalorie to british thermal unit conversions. Click any value for detailed calculation.
| Kilocalories (kcal) | BTU (BTU) |
|---|---|
| 1 kcal | 3.9656668314 BTU |
| 2 kcal | 7.9313336628 BTU |
| 5 kcal | 19.828334157 BTU |
| 10 kcal | 39.656668314 BTU |
| 15 kcal | 59.485002471 BTU |
| 20 kcal | 79.313336628 BTU |
| 25 kcal | 99.141670785 BTU |
| 50 kcal | 198.28334157 BTU |
| 100 kcal | 396.56668314 BTU |
About These Units
Kilocalorie (kcal)
A kilocalorie (kcal), often written as "Calorie" (capital C) on food labels, equals 1,000 small calories or 4,184 joules. Kilocalories measure food energy. Average adult needs 2,000-2,500 kcal daily. Walking one mile burns about 80-100 kcal.
British Thermal Unit (BTU)
A British Thermal Unit (BTU) is the energy needed to raise 1 pound of water by 1°F, equal to approximately 1,055 joules. BTUs measure heating/cooling capacity (AC units: 5,000-25,000 BTU), fuel energy content, and HVAC systems. One BTU equals 252 calories.
Frequently Asked Questions
How do I convert kilocalories to btu?
To convert kilocalories to btu, multiply the value by 3.9656668314. For example, 10 kcal = 39.656668314 BTU.
How many btu are in 1 kilocalorie?
1 kilocalorie equals 3.9656668314 btu.
What is the formula for kilocalories to btu?
The formula is: BTU = kcal × 3.9656668314.