Weight and Mass

Convert kilograms to pounds instantly with the standard international factor, formula, examples, and a quick conversion table.

Convert pounds to kilograms for body weight, shipping, food labels, and everyday US-to-metric measurements.

Convert grams to avoirdupois ounces for recipes, food labels, parcels, and product weights without confusing weight ounces with fluid ounces.

Convert avoirdupois ounces to grams for cooking, nutrition labels, shipping weights, and product specifications.

Convert metric tons, also called tonnes, to kilograms. This calculator does not use the US short ton.

Convert kilograms to metric tons, also called tonnes, for freight, bulk materials, and metric weight reports.

Convert gemstone and diamond carats to grams using the standard metric carat, not gold karat purity.

Convert grams to gemstone carats for diamonds, jewelry, and gem weight estimates using the metric carat.

Convert stone to kilograms for UK and Ireland body weight, sports weigh-ins, and metric records. One stone is 6.35029318 kilograms.

Convert kilograms to stone for UK and Ireland body weight references, fitness tracking, and international weight communication.

Convert troy ounces to grams for gold, silver, platinum, bullion, and jewelry without confusing troy ounces with avoirdupois ounces.

Convert grams to troy ounces for precious metals, bullion, gold, silver, and jewelry using the troy weight standard.