Power and Energy
caltokWh
Convert thermochemical calories (cal) to kilowatt-hours (kWh).
Factor1 cal = 1.162222e-6 kWh
Converter
cal
Accepts numbers or expressions, e.g. 150 + 14.7
Result
kWh
Rendered to 6 significant figures.
Formula
Formula
kWh = cal × 1.162222e-6
Multiply any value in thermochemical calories by 1.162222e-6 to obtain the value in kilowatt-hours.
Worked example
Convert 1.00000e+6 cal to kWh.
- 01Start with 1.00000e+6 cal.
- 02Multiply by the conversion factor: 1.00000e+6 × 1.162222e-6 = 1.16222 kWh.
Result1.00000e+6 cal = 1.16222 kWh
Conversion table
| cal | kWh |
|---|---|
| 1 | 1.1622e-6 |
| 2 | 2.3244e-6 |
| 5 | 5.8111e-6 |
| 10 | 1.1622e-5 |
| 20 | 2.3244e-5 |
| 50 | 5.8111e-5 |
| 100 | 0.00011622 |
| 200 | 0.00023244 |
| 500 | 0.00058111 |
| 1000 | 0.0011622 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from cal to kWh?
1 cal equals 1.162222e-6 kWh. To convert, multiply the value in thermochemical calories by 1.162222e-6.
How do I convert 1 cal to kWh?
1 cal = 1.16222e-6 kWh. For any value, multiply by 1.162222e-6.
How do I convert kWh back to cal?
Divide by the same factor — or equivalently, multiply by 860420.7. So 1 kWh = 860421 cal.
When would I need to convert thermochemical calorie to kilowatt-hour?
Energy conversions are needed when reconciling fuel/electrical billing, calculating thermal duties, and aligning calorimetry or HHV/LHV figures across data sources.
Is the conversion exact?
Yes. Both cal and kWh are defined by exact SI relationships, so the displayed factor is exact (any rounding shown is only for display).