Weight Converter
Convert between milligrams, grams, kilograms, ounces, pounds, stones, and tons instantly.
The Weight Converter converts between all common weight and mass units instantly. Enter a value, select your source unit, and see conversions to every other unit at once.
Supported Units
- Metric: Milligrams (mg), Grams (g), Kilograms (kg), Metric Tons (t)
- Imperial/US: Ounces (oz), Pounds (lb), Stones (st), US Tons (short tons)
Key Conversion Factors
1 kilogram = 2.20462 pounds. 1 pound = 16 ounces. 1 stone = 14 pounds. 1 metric ton = 1000 kg. 1 US ton (short ton) = 2000 pounds = 907.185 kg.
Weight conversions are essential in cooking, fitness, shipping, science, and international trade where metric and imperial systems coexist. This converter eliminates the need to remember conversion factors by showing all units simultaneously.
Frequently Asked Questions
What is the difference between a metric ton and a US ton?
A metric ton (tonne) is 1000 kg (2204.6 lb). A US ton (short ton) is 2000 lb (907.2 kg). The metric ton is about 10% heavier.
How many ounces are in a pound?
There are 16 ounces in one pound. So 1 oz = 0.0625 lb and 1 lb = 16 oz.
What is a stone?
A stone is a unit of weight used primarily in the UK and Ireland, equal to 14 pounds (6.35 kg). It is commonly used for body weight.