Weight & Mass Converter
Convert between milligrams, grams, kilograms, ounces, pounds, stones, and tons.
Milligram (mg)
1000000
Gram (g)
1000
Kilogram (kg)
1
Metric Ton (t)
0.001
Ounce (oz)
35.2739619
Pound (lb)
2.20462262
Stone (st)
0.157473044
Short Ton (US)
0.00110231131
Long Ton (UK)
0.000984206528
Carat (ct)
5000
Grain (gr)
15432.3584
About This Tool
The Weight Converter instantly converts between 11 weight and mass units spanning the metric system, the US customary system, and specialized units like carats and grains.
Enter any value and select the source unit — all other units update simultaneously. Results are formatted with up to 9 significant figures, using scientific notation for extreme values.
How to Use
- Enter a numeric value in the Value field.
- Select the unit you are converting from.
- All target units update instantly.
- Read the result from any row in the table.
Use Cases
Cooks and bakers convert between grams, ounces, and pounds. Jewelers convert between grams and carats or grains. International shippers compare metric tons with short and long tons. Fitness enthusiasts convert body weight between kilograms and pounds.
FAQ
- What is the base unit? — Grams (g). All conversions go through grams as the intermediate value.
- What is the difference between short ton and metric ton? — 1 short ton (US) = 907.185 kg; 1 metric ton = 1,000 kg; 1 long ton (UK) = 1,016.05 kg.
- What is a carat? — A carat is a unit of mass for gemstones. 1 carat = 0.2 grams = 200 milligrams.