In this article I will show you how to convert 138 joules into kilojoules. Throughout the explanation below I might also call it 138 j to kj. They are the same thing!
How to Convert Joules to Kilojoules
A joule is smaller than a kilojoules. I know that a j is smaller than a kj because of something called conversion factors.
Put very simply, a conversion factor is a number that can be used to change one set of units to another, by multiplying or dividing it. So when we need to convert 138 joules into kilojoules, we use a conversion factor to get the answer.
The conversion factor for j to kj is:
Now that we know what the conversion factor is, we can easily calculate the conversion of 138 j to kj by multiplying 0.001 by the number of joules we have, which is 138.
So, the answer to the question "what is 138 joules in kilojoules?" is 0.138 kj.
Joules to Kilojoules Conversion Table
Below is a sample conversion table for j to kj:
| Joules (j) | Kilojoules (kj) |
|---|---|
| 0.01 | 0 |
| 0.1 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 5 | 0.01 |
| 10 | 0.01 |
| 20 | 0.02 |
| 50 | 0.05 |
| 100 | 0.1 |
| 1000 | 1 |
Best Conversion Unit for 138 j
Sometimes when you work with conversions from one unit to another, the numbers can get a little confusing. Especially when dealing with really large numbers.
I've also calculated what the best unit of measurement is for 138 j.
To determine which unit is best, I decided to define that as being the unit of measurement which is as low as possible, without going below 1. Smaller numbers are more easily understood and can make it easier for you to understand the measurement.
The best unit of measurement I have found for 138 j is milliwatt-hours and the amount is 38.333333333333 mlwhr.