Lbs to Kg Converter
Use our free lbs to kg converter to instantly convert pounds to kilograms. Enter a weight in pounds (lbs) to get the equivalent weight in kilograms (kg) with accurate rounding for everyday use.
What is a Lbs to Kg Converter?
A lbs to kg converter is a simple tool that converts pounds (lbs) into kilograms (kg). Pounds are commonly used in the United States, while kilograms are the standard unit of mass in most other countries and in scientific contexts.
If you’re looking for how to convert lbs to kg, the conversion is based on a fixed factor: 1 pound equals exactly 0.45359237 kilograms. This converter applies that factor automatically and formats the result so it’s easy to read.
Pounds to Kilograms Formula
To convert pounds to kilograms, multiply the weight in pounds by 0.45359237. This is the standard lbs to kg conversion used worldwide.
For most everyday use, you can round the result to 2–4 decimal places. The conversion factor above is exact.
If you need a quick reference for 1 pound in kilograms, it’s about 0.4536 kg when rounded.
A common conversion for fitness and body weight: 150 lbs is about 68.04 kg when rounded to 2 decimals.
How to Convert Lbs to Kg
- 1
Enter your weight in pounds (lbs).
- 2
Click “Calculate” (or view the result instantly, if auto-calculating).
- 3
Read the converted weight in kilograms (kg).
- 4
Adjust decimals if you need a more precise kg value.
Frequently Asked Questions
Multiply pounds by 0.45359237. The formula is: kg = lb × 0.45359237.
1 lb equals exactly 0.45359237 kg (about 0.4536 kg rounded).
There are 0.45359237 kilograms in 1 pound.
Because most pound values don’t convert into whole kilograms. You can round the kg value to the number of decimals you need.
Yes—1 pound equals exactly 0.45359237 kilograms. Any difference you see comes from rounding the displayed result.