What is a Weight Converter?

A Weight Converter is a free online tool that converts between all major weight and mass units instantly. It supports kilograms, grams, milligrams, pounds, ounces, stones, metric tons, and more. Whether you are shipping packages internationally, following a fitness plan, cooking with foreign recipes, or solving physics problems, this converter handles all your weight conversion needs accurately.

Why use a Weight Converter?

Different countries and industries use different weight units. The US uses pounds, the UK mixes stones and kilograms, most of the world uses the metric system, and jewelers use carats. Converting between these systems manually requires memorizing conversion factors (1 lb = 0.4536 kg, 1 stone = 14 lb, etc.). This tool eliminates memorization and provides instant, accurate conversions.

Common weight conversion references

1 kilogram = 2.205 pounds = 35.274 ounces. 1 pound = 0.4536 kilograms = 16 ounces. 1 stone = 6.35 kilograms = 14 pounds. 1 metric ton = 1,000 kilograms = 2,205 pounds. 1 ounce = 28.35 grams. These conversions are used daily in cooking, fitness, shipping, science, and commerce around the world.