calories to Wh converter
1 calorie equals 0.0011622222 watt-hours. Conversions use Wh = cal × 0.001162
cal → 0.0011622222 Wh
Wh = cal × 0.001162
Converter
Worked examples
- 1 cal = 0.0011622222 Wh
- 2 cal = 0.0023244444 Wh
- 5 cal = 0.0058111111 Wh
- 10 cal = 0.01162222 Wh
- 100 cal = 0.11622222 Wh
calories to watt-hours conversion table
| cal | Wh | Arithmetic |
|---|---|---|
| 1 cal | 0.0011622222 Wh | × 0.001162 |
| 2 cal | 0.0023244444 Wh | × 0.001162 |
| 3 cal | 0.0034866667 Wh | × 0.001162 |
| 4 cal | 0.0046488889 Wh | × 0.001162 |
| 5 cal | 0.0058111111 Wh | × 0.001162 |
| 6 cal | 0.0069733333 Wh | × 0.001162 |
| 8 cal | 0.0092977778 Wh | × 0.001162 |
| 10 cal | 0.01162222 Wh | × 0.001162 |
| 12 cal | 0.01394667 Wh | × 0.001162 |
| 15 cal | 0.01743333 Wh | × 0.001162 |
| 20 cal | 0.02324444 Wh | × 0.001162 |
| 25 cal | 0.02905556 Wh | × 0.001162 |
| 30 cal | 0.03486667 Wh | × 0.001162 |
| 40 cal | 0.04648889 Wh | × 0.001162 |
| 50 cal | 0.05811111 Wh | × 0.001162 |
| 60 cal | 0.06973333 Wh | × 0.001162 |
| 70 cal | 0.08135556 Wh | × 0.001162 |
| 80 cal | 0.09297778 Wh | × 0.001162 |
| 90 cal | 0.1046 Wh | × 0.001162 |
| 100 cal | 0.11622222 Wh | × 0.001162 |
How to convert cal to Wh
- Take your value in calories.
- Multiply by 0.001162
- That is your answer in watt-hours — no rounding needed until you choose a display precision.
Related conversions
Wh to calJ to WhkJ to Whcal to Jcal to kJcal to kcalcal to kWhcal to Btukcal to Whall energy units
Questions
How many watt-hours in 1 calorie?
Exactly 0.0011622222 Wh. The factor follows from the definitions of both units, not from a measurement, so it is exact.
How do I convert cal to Wh?
Multiply the calories figure by 0.001162 — or use the converter above, which updates as you type.
Is cal to Wh the same as Wh to cal?
No — they are inverses. One cal is 0.0011622222 Wh, while one Wh is 860.421 cal.
What is 1 cal in Wh?
1 cal = 0.0011622222 Wh (see the value page for the full arithmetic).