BTU (international table) to kilocalories (food Calorie) converter
Convert BTU (international table) (BTU (IT)) to kilocalories (food Calorie) (kcal).
Energy converter
Instant conversion
Edit either value. Decimals and scientific notation supported.
1
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.
0.2521644007
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.
CONVERSION
1 BTU (IT) ≈ 0.2521644007 kcal
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAkcal = BTU (IT) × 0.252164400721797
FORMULA & EXAMPLES
How to convert BTU (international table) to kilocalories (food Calorie)
kcal = BTU (IT) × 0.252164400721797
Multiply the BTU (IT) reading by 0.252164400721797.
Worked examples
1 BTU (IT) ≈ 0.2521644007 kcal
1 × 0.252164400721797 ≈ 0.2521644007
1000 BTU (IT) ≈ 252.1644007 kcal
1000 × 0.252164400721797 ≈ 252.1644007
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.
BTU (international table) to kilocalories (food Calorie) table
Fixed reference · BTU (international table) to Kilocalorie (food Calorie)
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
BTU (international table) (BTU (IT))
Kilocalorie (food Calorie) (kcal)
0
0
0.1
0.02521644007
0.5
0.1260822004
1
0.2521644007
2
0.5043288014
5
1.260822004
10
2.521644007
25
6.304110018
50
12.60822004
100
25.21644007
1000
252.1644007
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.