Mass Unit Converter
Free online mass converter for metric and imperial units: grams, kilograms, tons, ounces, pounds, stones, and more
Unit Converter
Enter any mass value and instantly see the equivalent in all major metric and imperial units.
About the Mass Unit Converter
EngLab’s free online mass converter provides instant and accurate conversions between metric and imperial mass units. Whether you’re working in engineering, physics, chemistry, or everyday calculations, this tool helps you switch seamlessly between milligrams (mg), grams (g), kilograms (kg), metric tons (t), ounces (oz), pounds (lb), stones (st), and US tons. All conversions are updated live as you type for maximum accuracy and convenience.
How to Use the Mass Converter
Enter a value in any unit, select the unit type from the dropdown, and view instant results in every other supported unit. This converter automatically calculates grams to kilograms, ounces to pounds, pounds to tons, and many other combinations. It’s ideal for students, scientists, and engineers who need quick and reliable mass conversions without manual formulas.
Popular Mass Conversions
- g to kg – convert grams to kilograms (divide by 1,000)
- kg to lb – convert kilograms to pounds (multiply by 2.20462)
- oz to g – convert ounces to grams (multiply by 28.3495)
- lb to t – convert pounds to metric tons (divide by 2,204.62)
- mg to g – convert milligrams to grams (divide by 1,000)
- st to kg – convert stones to kilograms (multiply by 6.35029)