Weight Conversion

Pounds to Kilograms Converter

Instantly convert Pounds (lbs) to Kilograms (kg). Needed when converting US weights for medical records, international shipping, and global recipe adjustments.

Result
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Quick Reference

How to Convert Pounds to Kilograms

To convert Pounds to Kilograms, use this formula:

kg = lbs × 0.453592

Example: Converting 10 lbs to Kilograms gives you 4.536 kg. Just enter your own value in the converter above for an instant result.

Pounds to Kilograms Conversion Table

Common Pounds to Kilograms values at a glance — use this as a quick lookup reference:

Pounds (lbs)Kilograms (kg)
1 lbs0.453592 kg
5 lbs2.268 kg
10 lbs4.5359 kg
20 lbs9.0718 kg
50 lbs22.6796 kg
100 lbs45.3592 kg
125 lbs56.699 kg
150 lbs68.0388 kg
175 lbs79.3786 kg
200 lbs90.7184 kg
250 lbs113.4 kg

When to Use Pounds to Kilograms Conversion

Needed when converting US weights for medical records, international shipping, and global recipe adjustments. Here are the most common scenarios where you will need this conversion:

About Pounds and Kilograms

One pound equals exactly 0.45359237 kilograms. The pound has origins in Roman libra (explaining the "lb" abbreviation) and remains the standard unit of weight in the United States. Converting pounds to kilograms is essential for Americans dealing with international documents — medical forms abroad, metric scales, or sending packages overseas. It is also needed in scientific contexts, where the kilogram is universally used, and in sports nutrition that follows metric dosing.

Related Weight Conversions

All Pounds to Kilograms Values

Click any specific value below for a dedicated conversion page with formula, table, and nearby values: