Weight Converter - Convert Weight Units
Convert micrograms, milligrams, grams, kilograms, ounces, pounds, stones, metric tons, US short tons, and imperial long tons.
What Is a Weight Converter?
A weight converter helps you convert between different units of measurement for weight and mass. Whether you're cooking, shipping packages, or studying science, this tool makes unit conversion quick and accurate.
How to Use This Converter
- Enter a value — Type the number you want to convert. Changing the value does not update the displayed result yet.
- Select From and To units — Choose the source and target units. The displayed result stays unchanged until you convert.
- Press Convert — Click Convert to calculate the new result. You can also press Enter in the Value field.
- Swap — Reverse the From and To units and convert using the current value.
- Copy Result — Copy the currently displayed conversion result.
- Reset — Restore the default 1 gram to ounces conversion.
Weight Unit Conversion Table
| Unit | Abbreviation | Conversion to Grams |
|---|---|---|
| Microgram | µg | 0.000001 g |
| Milligram | mg | 0.001 g |
| Gram | g | 1 g |
| Kilogram | kg | 1,000 g |
| Ounce (avoirdupois) | oz | 28.349523125 g |
| Pound (avoirdupois) | lb | 453.59237 g |
| Stone | st | 6,350.29318 g |
| Metric ton | t | 1,000,000 g |
| US short ton | — | 907,184.74 g |
| Imperial long ton | — | 1,016,046.9088 g |
Practical Uses
- Cooking: Convert recipe measurements between metric and imperial
- Shipping: Calculate package weights in different units
- Science: Convert everyday laboratory and school measurements between metric and imperial units
- Nutrition: Track food weights and portions
- Travel: Understand luggage weight limits in different countries
Common Weight Conversions
| From | To | Conversion |
|---|---|---|
| 1 ounce | grams | 28.349523125 g |
| 1 pound | grams | 453.59237 g |
| 1 pound | ounces | 16 oz |
| 1 kilogram | pounds | 2.204622622 lb |
| 1 kilogram | ounces | 35.27396195 oz |
| 1 stone | kilograms | 6.35029318 kg |
| 1 metric ton | kilograms | 1,000 kg |
| 1 US short ton | kilograms | 907.18474 kg |
| 1 imperial long ton | kilograms | 1,016.0469088 kg |
Frequently Asked Questions
What weight units can I convert?
This converter supports micrograms (µg), milligrams (mg), grams (g), kilograms (kg), ounces (oz), pounds (lb), stones (st), metric tons (t), US short tons, and imperial long tons.
Is this weight converter accurate?
Conversions use SI metric factors and NIST avoirdupois values (1 pound = 0.45359237 kg exactly as used here; 1 ounce = 1/16 pound). Results are formatted to keep meaningful precision without padding extra zeros.
What is the difference between metric, US short, and imperial long tons?
A metric ton is 1,000 kilograms. A US short ton is 2,000 pounds (907.18474 kg). An imperial long ton is 2,240 pounds (1,016.0469088 kg). This converter includes all three, labeled separately.
Can I use this for cooking?
Yes, this converter is useful for converting recipe measurements between metric and imperial units such as grams, kilograms, ounces, and pounds.
Does this work offline?
Yes, once the page loads, the converter works offline without an internet connection.