ENERGY CONVERSION
Kilocalorie to BTU (IT).
Convert kilocalorie (kcal) to btu (it) (BTU), with the math explained.
1 kcal = 3.965666831 BTU
THE MATH, MADE SIMPLE
How to convert kilocalorie to btu (it)
Multiply your kilocalorie value by 3.96566683139 to get the equivalent in btu (it). Both units are normalized through the joule.
BTU = kcal × 3.96566683110 kcal = 39.6566683139 BTU
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.QUICK REFERENCE
kcal to BTU conversion table
| Kilocalorie (kcal) | BTU (IT) (BTU) |
|---|---|
| 1 kcal | 3.96566683139 BTU |
| 2 kcal | 7.93133366278 BTU |
| 5 kcal | 19.828334157 BTU |
| 10 kcal | 39.6566683139 BTU |
| 20 kcal | 79.3133366278 BTU |
| 50 kcal | 198.28334157 BTU |
| 100 kcal | 396.566683139 BTU |
| 500 kcal | 1,982.8334157 BTU |
| 1,000 kcal | 3,965.66683139 BTU |
About the kilocalorie
The kilocalorie (kcal) is a unit of energy. One kilocalorie equals 4,184 joule (base unit) in this calculator.
All kilocalorie conversionsAbout the btu (it)
The btu (it) (BTU) is a unit of energy. One btu (it) equals 1,055.05585262 joule (base unit) in this calculator.
All btu (it) conversionsCommon questions
What is 1 kcal in BTU?
One kilocalorie equals 3.96566683139 BTU. Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
BROWSE BY UNIT