Weight/Mass Unit Converter (lbs, kg, stone, tons)

This tool helps you convert between different weight/mass units: pounds, kilograms, stones, and tons. It's perfect for anyone needing to quickly switch units for calculations, recipes, or international transactions.

Interactive Calculator

Results

Converted Weight: 0

Data Source and Methodology

All calculations are based on conversion factors from authoritative scientific sources. The formulas used are precise to ensure accurate conversions.

The Formula Explained

Conversion Formula: Target Weight = Source Weight × Conversion Factor

Glossary of Terms

  • Weight: The mass of an object as measured in a particular unit.
  • Conversion Factor: A numerical factor by which a quantity expressed in one set of units is multiplied to convert it to another set of units.

How It Works: A Step-by-Step Example

For example, to convert 10 pounds to kilograms: 10 lbs × 0.453592 = 4.53592 kg.

Frequently Asked Questions (FAQ)

What units can I convert?

You can convert between pounds, kilograms, stones, and tons.

How accurate is this converter?

The converter uses precise scientific conversion factors to ensure high accuracy.

Is this tool free to use?

Yes, this tool is completely free for personal and professional use.

Can I use it offline?

Currently, this tool requires an internet connection to function.

Who can benefit from this tool?

Anyone needing to convert weights for recipes, travel, or professional use.

Tool developed by Ugo Candido.
Last reviewed for accuracy on: October 2025.

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