Use the fact that 1 pound equals about 0.4536 kilogram.
About 4.96 pounds
Practice makes perfect
We want to express 2.25 kilograms in pounds.
2.25 kg≈ lb
We can do this by using the fact that 1 pound equals about 0.4536 kilogram. Let's write this relationship as a unit ratio.
0.4536 kg/1lb
To perform the conversion, we need to multiply 2.25 kilograms by the unit ratio or its reciprocal. Remember, we want to get the mass in pounds, and every unit we do not want has to be divided out.
We found that the notebook weighs about 4.96 pounds.
Extra
Common Conversion Factors
The following tool can be used to help you explore some of the most commonly used conversion factors. Conversions can be made both within or between the Metric System and the Imperial System — which is also known as the U.S. Customary System.
Around the world, people use conversion factors on a regular basis. You can read more about some practical applications of conversion factors in our original content.
