Kilocalories (food Calorie) to watt-hours converter
Convert kilocalories (food Calorie) (kcal) to watt-hours (Wh).
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.
1.162222222
Wh
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 ≈ 1.162222222 Wh
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAWh = kcal × 1.16222222222222
FORMULA & EXAMPLES
How to convert Kilocalories (food Calorie) to watt-hours
Wh = kcal × 1.16222222222222
Multiply the kcal reading by 1.16222222222222.
Worked examples
1 kcal ≈ 1.162222222 Wh
1 × 1.16222222222222 ≈ 1.162222222
100 kcal ≈ 116.2222222 Wh
100 × 1.16222222222222 ≈ 116.2222222
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 watt-hours table
Fixed reference · Kilocalorie (food Calorie) to Watt-hour
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)
Watt-hour (Wh)
0
0
0.1
0.1162222222
0.5
0.5811111111
1
1.162222222
2
2.324444444
5
5.811111111
10
11.62222222
25
29.05555556
50
58.11111111
100
116.2222222
1000
1162.222222
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.