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Free Weight & Mass Converter Online

Convert between kilograms, pounds, grams, ounces, tonnes, stone, and troy ounces — with medical, cooking, and shipping context conversions. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.

100% Client-Side0ms Latency
Universal Unit Engine
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How It Works

1

Enter Weight Value

Input the weight value to convert.

2

Select Source Unit

Choose the unit: kg, lbs, grams, ounces, stone, etc.

3

View All Equivalents

See the weight in all available units simultaneously.

Frequently Asked Questions

1 pound (lb) = 0.453592 kilograms. 1 kilogram = 2.20462 pounds. 1 stone (UK) = 14 pounds = 6.35029 kg.

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