Use this free online pounds to kilograms converter to quickly convert lbs to kg. Simply enter the value in pounds, and the tool will instantly display the equivalent weight in kilograms.
| Pounds | Kilograms |
|---|
How to Convert Pounds to Kilograms
Pounds belong to the imperial system, while kilograms belong to the metric system. To convert a value from pounds to kilograms, multiply the number of pounds by 0.45359237.
Formula: kg = lbs × 0.45359237
Example: Convert 10 lbs to kg. 10 lbs × 0.45359237 = 4.5359 kg So, 10 pounds is equal to approximately 4.54 kilograms.
What is a Pound?
A pound (lb or lbs) is a unit of mass used in the imperial and US customary systems of measurement. One pound is defined as exactly 0.45359237 kilograms. Pounds are commonly used in the United States for measuring body weight and everyday items.
What is a Kilogram?
A kilogram (kg) is the base unit of mass in the International System of Units (SI). It is used almost everywhere in the world to measure body weight, groceries, and general mass, except in a few countries like the United States where pounds are more common.
Pound to Kilogram Relationship
1 lb = 0.45359237 kg 1 kg = 2.20462 lbs
This exact conversion factor allows accurate switching between imperial and metric weight measurements.
Lbs to Kg Conversion Table
| Pounds (lbs) | Kilograms (kg) |
|---|---|
| 1 lb | 0.454 kg |
| 5 lbs | 2.268 kg |
| 10 lbs | 4.536 kg |
| 20 lbs | 9.072 kg |
| 50 lbs | 22.68 kg |
| 100 lbs | 45.359 kg |
| 150 lbs | 68.039 kg |
Solved Examples
Example 1: Convert 130 lbs to kg. 130 × 0.45359237 = 58.967 kg
Example 2: Convert 8 lbs to kg. 8 × 0.45359237 = 3.629 kg
Example 3: Which is heavier, 1 kg or 1 lb? 1 kg = 2.205 lbs, so 1 kg is heavier than 1 lb.
Frequently Asked Questions
There are approximately 0.45359237 kilograms in 1 pound.
Multiply the lbs value by 0.45359237 to get the equivalent weight in kilograms.
Yes, 1 pound is lighter than 1 kilogram 1 lb equals about 0.454 kg.
Pounds are still commonly used in the United States for body weight and everyday measurements, while most of the world uses kilograms.