Convert Kilowatt-hours to Calories
kWh to cal · energy conversion
What are kilowatt-hours and calories?
A kilowatt-hour is 1,000 watt-hours, the unit electric utilities bill by. A small calorie is the energy to heat one gram of water by 1 °C, about 4.184 J. For reference: a food Calorie is one kilocalorie (4,184 J), and home electricity is billed in kilowatt-hours.
How to convert kilowatt-hours to calories
1 kWh = 860,421 cal. To convert, multiply the number of kilowatt-hours by 860,421. For example, 5 kWh = 4,302,100 cal, and 20 kWh = 17,208,400 cal. To go the other way, multiply calories by 0.00000116222 (since 1 cal = 0.00000116222 kWh).
Kilowatt-hours to Calories conversion table
| Kilowatt-hours (kWh) | Calories (cal) |
|---|---|
| 1 | 860,421 |
| 10 | 8,604,210 |
| 100 | 86,042,100 |
| 500 | 430,210,000 |
| 1,000 | 860,421,000 |
| 2,000 | 1,720,840,000 |
| 5,000 | 4,302,100,000 |
FAQ
What is 1 kWh in cal?
1 kWh = 860,421 cal. To convert any amount, multiply the number of kilowatt-hours by 860,421.
How do I convert calories back to kilowatt-hours?
Go the other way: 1 cal = 0.00000116222 kWh, so multiply calories by 0.00000116222 to get kilowatt-hours.
Is a kilowatt-hour bigger than a calorie?
Yes — 1 kWh is the larger unit, equal to 860,421 cal.
Are these energy conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.