Weight Converter
Convert between kilograms, pounds, ounces and other weight units in one click.
The Weight Converter is a free online tool that instantly converts between kilograms, pounds, ounces, grams and tonnes. No sign-up needed — enter a value, choose your units, and get an accurate result. It's a handy reference for cooking, fitness tracking, and comparing product weights listed in different unit systems.
What is a weight converter?
Weight and mass are measured in metric units like kilograms and grams across most of the world, while pounds and ounces remain standard in the United States. This tool handles the conversion instantly, useful for cooking, fitness, shipping, and everyday comparisons between the two systems. Grocery items, luggage allowances, and fitness equipment are frequently labeled in just one system, so converting accurately avoids guesswork.
How to use the Weight Converter
- Enter the weight value you want to convert.
- Select the unit to convert from — kilograms, pounds, ounces, or tonnes.
- Click Calculate to see the equivalent across units.
Key features
- Supports kilograms, grams, pounds, ounces and tonnes.
- Useful for cooking, fitness tracking, and shipping calculations.
- Instant, accurate two-way conversion.
- Free and works directly in your browser.
Related tools
Working with related units? Try the Volume Converter, Length Converter, or the Area Converter.
Frequently asked questions
Is the Weight Converter free?
Yes, completely free with no sign-up or usage limits. There's no limit on how many conversions you can perform.
How many pounds are in a kilogram?
One kilogram equals approximately 2.20462 pounds. This figure is the standard conversion used across science, commerce, and everyday applications worldwide.
How many ounces are in a pound?
There are 16 ounces in one pound. This fixed relationship makes it easy to switch between the two units for recipes or postal weight limits.
Is this useful for shipping calculations?
Yes, it's handy for converting package weights between kilograms and pounds when shipping internationally. Many international carriers list weight limits in kilograms, even for customers used to thinking in pounds.
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