Kilocalorie to Watt-hour Converter
Convert kilocalories to watt-hours (kcal to Wh) instantly with this free online energy converter. Enter any value in the Kilocalorie field and get the equivalent in Watt-hour immediately. This converter handles any quantity — from tiny fractions to large numbers — with full precision. No signup, no ads in the widget, and the conversion runs entirely in your browser for instant results.
The conversion factor is exact: 1 kcal = 1.162222222 Wh. To convert kilocalories to watt-hours, multiply your Kilocalorie value by 1.162222222. For example, 10 kcal = 11.62222222 Wh. You can also reverse the calculation: 1 Wh = 0.8604206501 kcal.
Quick conversion table
| Kilocalorie (kcal) | Watt-hour (Wh) |
|---|---|
| 1 kcal | 1.162222222 Wh |
| 5 kcal | 5.811111111 Wh |
| 10 kcal | 11.62222222 Wh |
| 25 kcal | 29.05555556 Wh |
| 50 kcal | 58.11111111 Wh |
| 100 kcal | 116.2222222 Wh |
Use the swap button to reverse the direction, or choose a different unit from the dropdown menus to convert within the energy category.
Formula
Kilocalorie to Watt-hour conversion: 1 kcal = 1.162222222 Wh watt-hours = kilocalories × 1.162222222 1 Wh = 0.8604206501 kcal kilocalories = watt-hours × 0.8604206501
Example
Example: Convert 10 kcal to Wh: 10 kcal × 1.162222222 = 11.62222222 Wh So, 10 kcal is about 11.62222222 Wh. To convert back, multiply by 0.8604206501: 11.62222222 Wh × 0.8604206501 = 10 kcal.
How to Use
- Enter the value you want to convert in the Kilocalorie field
- The result in Watt-hour appears instantly below
- Use the dropdown menus to change units if needed
- Click 'Swap Units' to reverse the conversion direction
- Copy the result or adjust the input for a new conversion
Frequently Asked Questions
How do I convert kilocalories to watt-hours?
Enter the value in Kilocalorie (kcal) in the 'From' field. The equivalent in Watt-hour (Wh) appears instantly in the 'To' field. The converter uses precise conversion factors and updates in real time as you type.
What is the formula to convert kcal to Wh?
1 kcal = 1.162222222 Wh, so watt-hours = kilocalories × 1.162222222. To convert back, 1 Wh = 0.8604206501 kcal. The full formula and a worked example are shown on this page.
How many watt-hours are in one Kilocalorie?
1 kcal = 1.162222222 Wh.
Is this Kilocalorie to Watt-hour converter free?
Yes, completely free with no signup, no limits, and no ads in the converter widget. You can convert as many values as you need. The tool runs entirely in your browser, so your data never leaves your device.
Can I convert watt-hours back to kilocalories?
Yes. Click the 'Swap Units' button to reverse the direction. You can also use the dropdown menus to select any other energy unit for either field.
How accurate is the kcal to Wh conversion?
The converter uses high-precision conversion factors (up to 8 decimal places). Results are displayed with up to 6 decimal places, with trailing zeros removed for readability. For scientific or engineering work, always verify with official standards.