Convert Kilocalories to Watt-Hours
1 kcal = 1.1622 Wh
Conversion Table
| kilocalories (kcal) | watt-hours (Wh) |
|---|---|
| 0.5 | 0.581111 |
| 1 | 1.1622 |
| 2 | 2.3244 |
| 5 | 5.8111 |
| 10 | 11.6222 |
| 25 | 29.0556 |
| 50 | 58.1111 |
| 100 | 116.22 |
| 250 | 290.56 |
| 500 | 581.11 |
| 1000 | 1162.22 |
How to Convert kilocalories to watt-hours
To convert kilocalories to watt-hours, multiply the value by the conversion factor:
For example: 10 kcal = 11.6222 Wh
About kilocalories and watt-hours
The Conversion Formula
To convert kilocalories to watt-hours, multiply the value by the conversion factor: 1 kcal = 1.1622 Wh. For a worked example, suppose you need to convert 25 kcal to watt-hours: 25 × 1.1622 = 29.0556 Wh. To convert in the opposite direction, divide by 1.1622, or equivalently multiply by 0.860421.
About kilocalories
The kilocalorie (kcal) is what we colloquially call a 'Calorie' (capital C) on food labels in the US. It equals 1,000 small chemistry calories. It represents the energy required to heat 1 kilogram of water by 1°C. Confusion between calories and Calories is one of the most common unit errors in the world! kilocalories are commonly used in US Food labels, Diet apps, Fitness trackers, and Nutrition science, Body metabolic rate.
An apple contains about 95 kilocalories (Calories).
About watt-hours
The watt-hour (Wh) is a smaller version of the kilowatt-hour. It is the standard for rating the capacity of batteries in laptops, smartphones, and power banks. Airlines often limit spare batteries to 100Wh for safety. watt-hours are commonly used in Laptop batteries, Power banks, Smartphone specs, and Drone batteries, Portable speakers.
A typical phone battery holds 10-15 Wh.
When Would You Convert kilocalories to watt-hours?
Converting between kilocalories and watt-hours is one of the most common energy conversions. You might need this conversion when working with international specifications, following instructions written for a different measurement system, or comparing values across different standards. Having the conversion factor (1 kcal = 1.1622 Wh) memorized or bookmarked can save time in professional and everyday contexts alike.