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Weight & Mass Converter

Convert mg, g, kg, tonnes, ounces, pounds and stone.

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About the Weight & Mass Converter

Convert between milligrams, grams, kilograms, tonnes, ounces, pounds and stone. Useful for recipes, parcels, body weight, shopping abroad and science homework.

Handy facts

  • 1 kg = 2.20462 lb
  • 1 lb = 453.6 g
  • 1 stone = 14 lb = 6.35 kg

How to use Weight & Mass Converter

  1. Type a value.
  2. Choose the units to convert from and to (use ⇄ to swap).
  3. The converted value, the exact conversion factor and a table of all units appear instantly.

Frequently asked questions

Is it free?

Yes. All tools are free to use without an account.

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