Pounds and kilograms are both units of weight, but they’re part of different measuring systems. Pounds are used in the imperial system, while kilograms are used in the metric system. So, how many kilograms is 4.5 lbs?
This article explains how to convert 4.5 lb in kg, and provides the formula and the answer.
What are pounds and kilograms?
Before we convert 4.5 pounds into kilograms, let’s define each of these units of measure.
What’s a pound (lb)?
A pound is a unit of mass in the imperial system of measurement. Pounds are commonly used in the United States. You may also see pounds abbreviated as “lbs,” “lbm,” or even the number sign, “#.”
What’s a kilogram (kg)?
A kilogram is the base unit of mass in the metric system, which is used around the world.
How to convert pounds to kilograms
So, how do you convert pounds into kilograms?
- First, know that 1 pound equals 0.45359237 kilograms.
- You can convert pounds into kilograms by multiplying pounds by 0.45359237.
Or, if you want to do it in your head, here’s a handy approximate formula:
Divide the number of pounds by two, then subtract 10% of the result.
How to convert 4.5 pounds to kilograms
To convert 4.5 pounds to kilograms, multiply 4.5 by the conversion factor, 0.45359237:
kg = 4.5 lbs 0.45359237
Therefore, 4.5 pounds is equal to 2.041165665 kilograms. For most uses, you can round that to 2.041 kg.
Here are some nearby conversions:
- 4.51 lbs = 2.046 kg
- 4.52 lbs = 2.05 kg
In Conclusion
So, 4.5 pounds is about 2.041 kilograms. Knowing how to convert between different units of measurement is a useful skill to have!