Convert Watt-Hours to Kilocalories
1 Wh = 0.860421 kcal
Conversion Table
| watt-hours (Wh) | kilocalories (kcal) |
|---|---|
| 0.5 | 0.43021 |
| 1 | 0.860421 |
| 2 | 1.7208 |
| 5 | 4.3021 |
| 10 | 8.6042 |
| 25 | 21.5105 |
| 50 | 43.021 |
| 100 | 86.0421 |
| 250 | 215.11 |
| 500 | 430.21 |
| 1000 | 860.42 |
How to Convert watt-hours to kilocalories
To convert watt-hours to kilocalories, multiply the value by the conversion factor:
For example: 10 Wh = 8.6042 kcal
About watt-hours and kilocalories
The Conversion Formula
To convert watt-hours to kilocalories, multiply the value by the conversion factor: 1 Wh = 0.860421 kcal. For a worked example, suppose you need to convert 25 Wh to kilocalories: 25 × 0.860421 = 21.5105 kcal. To convert in the opposite direction, divide by 0.860421, or equivalently multiply by 1.1622.
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.
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).
When Would You Convert watt-hours to kilocalories?
Converting between watt-hours and kilocalories 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 Wh = 0.860421 kcal) memorized or bookmarked can save time in professional and everyday contexts alike.