Best Free Online Developer Tools to Use in 2026
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Aug 08, 2026
Weight Converter
Convert between kilograms, grams, pounds, ounces, stones, and tons with instant results.
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Conversion Reference
1 kg = 2.20462 lb
1 lb = 0.453592 kg
1 kg = 1000 g
1 oz = 28.3495 g
1 st = 6.35029 kg
1 t = 2204.62 lb
1 lb = 16 oz
1 kg = 35.274 oz
What is Weight Conversion?
Weight conversion allows you to convert between different units of mass and weight. The most commonly used units include kilograms (the SI base unit), grams, pounds, ounces, stones, and metric tons.
This tool features:
- Six weight units — Kilograms, grams, pounds, ounces, stones, and metric tons.
- Instant conversion — Results update in real-time as you type.
- Conversion reference — Quick reference table for common conversions.
- Bidirectional — Enter any value and all others update automatically.
How to Use
- Enter a weight — Type a value in any of the six weight fields.
- View converted values — All other fields update automatically with the converted values.
- Check the reference — The conversion reference section shows common conversion factors.
Frequently Asked Questions
How do I convert kilograms to pounds?
Multiply the kilogram value by 2.20462. For example, 5 kg × 2.20462 = 11.0231 lb.
What is a stone used for?
The stone is a unit of weight commonly used in the UK and Ireland for measuring body weight. One stone equals 14 pounds or approximately 6.35 kilograms.
How many ounces are in a pound?
There are exactly 16 ounces in one pound. This is part of the imperial system of measurement.
Is this tool free to use?
Yes. All processing happens entirely in your browser. No data is sent to any server.
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