Kilocalories (food Calorie) to BTU (international table) converter
Convert kilocalories (food Calorie) (kcal) to BTU (international table) (BTU (IT)).
Energy converter
Instant conversion
Edit either value. Decimals and scientific notation supported.
1
kcal
esc
JouleJ
KilojoulekJ
MegajouleMJ
Watt-hourWh
Kilowatt-hourkWh
Thermochemical caloriecal
Kilocalorie (food Calorie)kcal
BTU (international table)BTU (IT)
ElectronvolteV
No units found. Try a name or symbol.
3.965666831
BTU (IT)
esc
JouleJ
KilojoulekJ
MegajouleMJ
Watt-hourWh
Kilowatt-hourkWh
Thermochemical caloriecal
Kilocalorie (food Calorie)kcal
BTU (international table)BTU (IT)
ElectronvolteV
No units found. Try a name or symbol.
CONVERSION
1 kcal ≈ 3.965666831 BTU (IT)
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULABTU (IT) = kcal × 3.96566683139092
FORMULA & EXAMPLES
How to convert Kilocalories (food Calorie) to BTU (international table)
BTU (IT) = kcal × 3.96566683139092
Multiply the kcal reading by 3.96566683139092.
Worked examples
1 kcal ≈ 3.965666831 BTU (IT)
1 × 3.96566683139092 ≈ 3.965666831
100 kcal ≈ 396.5666831 BTU (IT)
100 × 3.96566683139092 ≈ 396.5666831
Frequently asked questions
Is a food Calorie the same as a thermochemical calorie?
A food Calorie is a kilocalorie: 1 kcal = 1,000 cal. This tool uses the thermochemical calorie of exactly 4.184 J.
Kilocalories (food Calorie) to BTU (international table) table
Fixed reference · Kilocalorie (food Calorie) to BTU (international table)
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Kilocalorie (food Calorie) (kcal)
BTU (international table) (BTU (IT))
0
0
0.1
0.3965666831
0.5
1.982833416
1
3.965666831
2
7.931333663
5
19.82833416
10
39.65666831
25
99.14167078
50
198.2833416
100
396.5666831
1000
3965.666831
Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.