Convert Kilojoule to Watt-hour
Instantly convert Kilojoule to Watt-hour with our advanced Energy calculator. Whether you need precise calculations for Kilojoule or Watt-hour, this tool provides accurate results with related formulas and conversion tables.
What is a Kilojoule?
The Kilojoule (kJ) is a unit of energy equal to 1,000 joules. It is famously used on food labels to express energy value (alongside calories).
What is a Watt-hour?
The Watt-hour (Wh) is a unit of energy equivalent to one watt of power expended for one hour. It is commonly used in electricity billing.
How to Convert Kilojoule to Watt-hour
To convert Kilojoule to Watt-hour, divide the Kilojoule value by 4.
Wh = kJ ÷ 4Manual Calculation Steps
Step 1: Identify the Formula
The standard formula to convert from Kilojoule to Watt-hour is:
Wh = kJ ÷ 4Step 2: Plug in the Value
Substitute the value you want to convert (for example, 5 kJ) into the formula.
Step 3: Calculate the Result
Perform the calculation to get the result in Watt-hour.
Kilojoule to Watt-hour Conversion Table
| Kilojoule (kJ) | Watt-hour (Wh) |
|---|---|
| 1 | 0.277778 Wh |
| 5 | 1.38889 Wh |
| 10 | 2.77778 Wh |
| 25 | 6.94444 Wh |
| 50 | 13.8889 Wh |
| 100 | 27.7778 Wh |
| 500 | 138.889 Wh |
| 1000 | 277.778 Wh |
Frequently Asked Questions
How many Watt-hour are in a Kilojoule?
There are 0.277778 Watt-hour in 1 Kilojoule.
What is the difference between Kilojoule and Watt-hour?
Kilojoule and Watt-hour are both units used to measure energy. The Kilojoule is smaller than the Watt-hour.
How do I convert Kilojoule to Watt-hour?
To convert Kilojoule to Watt-hour, divide the Kilojoule value by 4. For example, to find out how many Watt-hour there are in a specific number of Kilojoule, simply apply this formula.
What are the common uses of Kilojoule and Watt-hour?
Kilojoule and Watt-hour are commonly used in energy measurements. Kilojoule is often used for larger scale measurements relative to Watt-hour.