Convert between metric and imperial units of mass, including the stone-and-pounds format used for body weight in the UK, and troy ounces for precious metals.
Getting started
Enter a value and select the unit it is currently in.
Choose the target unit to see the converted result instantly.
Swap the units to reverse the conversion.
Why it helps
Includes stone, which most converters omit despite it being standard for UK body weight.
Distinguishes troy ounces from ordinary ounces, which matters for precious metals.
Exact conversion factors give reliable results for recipes and shipping alike.
In practice
Converting body weight between kilograms and stone or pounds.
Following a recipe written in a different unit system.
Checking a shipping weight limit given in unfamiliar units.
Everything people ask most about the weight converter, answered plainly.
Keep exploring
More from Unit Converters and beyond — most people who use this one reach for these next.
