Weight Converter — Free Online Tool
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By the AllFileBox Team · Last updated: 2026-06-21
Weight Converter is a free online tool that instantly converts a weight between kilograms, pounds, ounces, grams, stones, and tonnes, with accurate results as you type.
Convert metric and imperial weights
Whether you need kilograms to pounds for shipping, grams to ounces for a recipe, or tonnes for bulk goods, the converter handles both metric and imperial units. Results update the moment you change a value, so there is no button to press.
Accurate, standard ratios
Conversions use internationally standard ratios, so one kilogram is exactly 2.20462 pounds and one ounce is 28.3495 grams. Because the math runs in your browser, results are instant and precise to several decimal places.
How To Use Weight Converter
- Open Weight Converter in your browser.
- Enter the weight you want to convert.
- Choose the unit you are converting from.
- Choose the unit you are converting to.
- Read the converted result instantly.
Shipping and postage
Shipping and postage
Convert a parcel weight from kilograms to pounds to match a courier's rate table.
Cooking and baking
Switch a recipe from grams to ounces so the measurements match your scale.
Fitness tracking
Convert body weight between kilograms and pounds for a training log.
| From | To | Factor |
|---|---|---|
| 1 kilogram | Pounds | 2.20462 |
| 1 pound | Grams | 453.592 |
| 1 ounce | Grams | 28.3495 |
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Key Features Weight Converter
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