Convert thermochemical calories (cal) to watt-hours (Wh).
Energy converter
Instant conversion
Edit either value. Decimals and scientific notation supported.
1
cal
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.
0.001162222222
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 cal ≈ 0.001162222222 Wh
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAWh = cal × 0.00116222222222222
FORMULA & EXAMPLES
How to convert Thermochemical calories to watt-hours
Wh = cal × 0.00116222222222222
Multiply the cal reading by 0.00116222222222222.
Worked examples
1 cal ≈ 0.001162222222 Wh
1 × 0.00116222222222222 ≈ 0.001162222222
1000 cal ≈ 1.162222222 Wh
1000 × 0.00116222222222222 ≈ 1.162222222
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.
Thermochemical calories to watt-hours table
Fixed reference · Thermochemical 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.
Thermochemical calorie (cal)
Watt-hour (Wh)
0
0
0.1
0.0001162222222
0.5
0.0005811111111
1
0.001162222222
2
0.002324444444
5
0.005811111111
10
0.01162222222
25
0.02905555556
50
0.05811111111
100
0.1162222222
1000
1.162222222
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.