Metric Weight Units
The metric system is used worldwide for science, shipping, cooking and product weights. Kilograms and grams are the most common daily units.
⚖️ Free Online Converter
Weight & Mass Converter
Convert kilograms, grams, pounds, ounces, stones, tons, carats and scientific mass units instantly with a clean, accurate and mobile-friendly tool.
Convert Weight Units
Enter a value and choose units to get an instant result.
Conversion Formula
1 kilogram = 2.2046226218 pounds
Imperial Weight Units
Pounds, ounces and stones are common in the United States and the United Kingdom for body weight, packages and retail measurements.
Precious Material Units
Carats, troy ounces, grains and pennyweights are useful for jewelry, gemstones, gold, silver and other specialized measurements.
Weight Converter Guide
This free weight and mass converter from irrol.com helps you convert between metric and imperial units quickly. It is useful for students, online shoppers, logistics teams, cooks, fitness users, engineers and anyone who needs accurate unit conversions.
For most everyday conversions, kilograms, grams, pounds and ounces are enough. For shipping and industrial use, metric tons, US short tons and UK long tons are more practical. For jewelry and precious metals, carats and troy ounces are commonly used.
Frequently Asked Questions
How many pounds are in one kilogram?
One kilogram equals approximately 2.2046226218 pounds.
How many grams are in one pound?
One pound equals approximately 453.59237 grams.
What is the difference between weight and mass?
Mass describes the amount of matter in an object. Weight describes the force caused by gravity. In everyday use, people often use kilograms and pounds for both.