About the Weight and Mass Converter
Use this converter to switch between metric, US customary, imperial, jewelry, and scientific mass units. It supports carats, micrograms, milligrams, centigrams, decigrams, grams, kilograms, metric tonnes, ounces, pounds, stones, tons, grains, drams, and troy units.
How to Use It
Enter a value, choose the starting unit, then choose the target unit. The result updates automatically, and the swap button reverses the selected units.
Weight vs Mass
Mass measures how much matter an object contains. Weight is the force from gravity, but everyday calculators often use weight and mass unit names together for practical conversions.