Weight & Mass Converters
Convert between metric and imperial units fast—kilograms, pounds, ounces, stones, tons—and handle specialized measures like carats, grains, pennyweights, and troy ounces. Clear inputs, precise outputs, and a handy all-in-one converter for anything weight or mass.
All-in-One
Popular Conversions
Grams to Ounces Converter
Switch grams to oz precisely—ideal for recipes and lab work.
Kilograms to Pounds Converter
Instant kg → lb conversion with optional rounding.
Ounces to Grams Converter
Convert oz to grams for cooking, shipping, and more.
Pounds to Kilograms Converter
Quick lb → kg with decimal support.
Pounds to Stone Converter
Translate pounds into UK stones (and remaining pounds).
Stone to Pounds Converter
Convert st → lb for health, travel, and shipping.
Precious Metals & Gemology
Carat to Grams Converter
Convert gemstone mass from ct to grams.
Dram to Grams Converter
Apothecaries’ dram converted cleanly to metric grams.
Grains to Grams Converter
Switch grains (gr) to grams for reloading and lab use.
Pennyweight to Grams Converter
Jeweler-friendly dwt → g conversion.
Troy Ounces to Grams Converter
Precious metals: ozt to grams with precision.
Scientific & Small Units
Micrograms to Milligrams Converter
μg to mg for pharmaceuticals and research.
Slugs to Kilograms Converter
Convert imperial mass (slug) to SI kilograms for physics.