How to Convert lb to kg: Complete Guide

Converting from lb to kg is a common task in cooking recipes, fitness tracking, shipping and logistics, and medical dosages. Whether you need a quick answer or want to understand the math behind the conversion, this guide covers everything you need.

Quick Answer

**1 lb = 0.453592 kg**. To convert any value from lb to kg, multiply by 0.453592.

The Conversion Formula

The formula is straightforward: **kg = lb × 0.453592**. For the reverse conversion, divide by 0.453592 instead: **lb = kg ÷ 0.453592**.

Common Conversion Table

Here are the most commonly needed conversions: - 0.1 lb = 0.0453592 kg - 0.5 lb = 0.226796 kg - 1 lb = 0.453592 kg - 2 lb = 0.907185 kg - 3 lb = 1.36078 kg - 5 lb = 2.26796 kg - 10 lb = 4.53592 kg - 15 lb = 6.80389 kg - 20 lb = 9.07185 kg - 25 lb = 11.3398 kg - 50 lb = 22.6796 kg - 100 lb = 45.3592 kg - 250 lb = 113.398 kg - 500 lb = 226.796 kg - 1000 lb = 453.592 kg

When You Need This Conversion

This conversion is commonly needed in cooking recipes, fitness tracking, shipping and logistics, and medical dosages. Understanding the relationship between lb and kg helps you work efficiently across different measurement systems and standards.

Tips for Quick Conversions

Since 1 lb equals 0.453592 kg, each lb is somewhat smaller than a kg. For quick estimates, divide by 2.20462. For precise results, use our free converter tool.

Use Our Free Converter

Skip the manual math and use our free lb to kg converter for instant, accurate results. It includes a conversion table, formula explanation, and related conversions — all optimized for mobile and desktop.