Convert 20 Calorie to Watt-hour (cal to Wh)
Calorie (cal) and Watt-hour (Wh) are both units of length. With the conversion form below, you can effortlessly and accurately convert calorie to watt-hour. This free online calculator tool makes it simple and easy to perform the conversion from cal to Wh.

Calorie (cal) and Watt-hour (Wh) are both units of length. With the conversion form above, you can effortlessly and accurately convert calorie to watt-hour. This free online calculator tool makes it simple and easy to perform the conversion from cal to Wh.
All Unit Conversions
What is Calorie to Watt-hour Conversion?
Calorie (cal) and watt-hour (Wh) are both units used to measure energy, but they serve different purposes depending on the scale of the measurement. If you ever need to convert calorie to watt-hour, knowing the exact conversion formula is essential.
Cal to wh Conversion Formula:
One Calorie is equal to 0.023244444444 Watt-hour.
Formula: 1 cal = 0.023244444444 Wh
By using this conversion factor, you can easily convert any energy from calorie to watt-hour with precision.
How to Convert cal to Wh?
Converting from cal to Wh is a straightforward process. Follow these steps to ensure accurate conversions from calorie to watt-hour:
- Select the Calorie Value: Start by determining the calorie (cal) value you want to convert into watt-hour (Wh). This is your starting point.
- Multiply by the Conversion Factor: To convert calorie to watt-hour, multiply the selected cal value by 0.023244444444. This factor is essential for accurately converting from a smaller unit (cal) to a much larger unit (Wh).
- Illustration of Multiplication:
- 1 cal = 0.023244444444 Wh
- 10 cal = Wh
- 100 cal = Wh
- Find the Conversion Result: The result of this multiplication is your converted value in watt-hour unit. This represents the same energy but in a different unit.
- Save Your Watt-hour Value: After converting, remember to save the result. This value represents the energy you initially measured, now expressed in watt-hours.
- Alternative Method – Division: If you prefer not to multiply, you can achieve the same conversion by dividing the calorie value by 860.420650096. This alternative method also gives you the correct energy in watt-hours.
- Illustration of Division:
- Wh = cal ÷ 860.420650096