Weight Converters

Convert between different weight and mass units. Pounds, kilograms, ounces, grams, tons, and more.

Popular Weight Converters

Pounds to Kilograms

Convert pounds (lbs) to kilograms (kg)

Kilograms to Pounds

Convert kilograms (kg) to pounds (lbs)

Ounces to Grams

Convert ounces (oz) to grams (g)

Grams to Ounces

Convert grams (g) to ounces (oz)

Tons to Pounds

Convert tons to pounds (US/Imperial)

Kilograms to Grams

Convert kilograms (kg) to grams (g)

Imperial to Metric

Convert between pounds, ounces, stones and kilograms, grams

Pounds to Kilograms

Convert pounds (lbs) to kilograms (kg)

Kilograms to Pounds

Convert kilograms (kg) to pounds (lbs)

Ounces to Grams

Convert ounces (oz) to grams (g)

Grams to Ounces

Convert grams (g) to ounces (oz)

Stones to Pounds

Convert stones (st) to pounds (lbs)

Pounds to Stones

Convert pounds (lbs) to stones (st)

Large Units

Convert tons, metric tons, and other heavy weight units

Tons to Pounds

Convert tons to pounds (US/Imperial)

Pounds to Tons

Convert pounds to tons (US/Imperial)

Metric Tons to Kilograms

Convert metric tons (tonnes) to kilograms

Kilograms to Metric Tons

Convert kilograms to metric tons (tonnes)

US Tons to Metric Tons

Convert US tons to metric tons (tonnes)

Metric Tons to US Tons

Convert metric tons to US tons

Small Units

Convert grams, milligrams, and other precise measurements

Grams to Milligrams

Convert grams (g) to milligrams (mg)

Milligrams to Grams

Convert milligrams (mg) to grams (g)

Kilograms to Grams

Convert kilograms (kg) to grams (g)

Grams to Kilograms

Convert grams (g) to kilograms (kg)

Weight Conversion Quick Reference

Imperial System

1 pound (lb)16 ounces (oz)

1 stone (st)14 pounds (lb)

1 US ton2,000 pounds

1 UK ton2,240 pounds

Metric System

1 kilogram (kg)1,000 grams (g)

1 gram (g)1,000 milligrams (mg)

1 metric ton1,000 kilograms

1 tonne1 metric ton

Common Conversions

1 kg≈ 2.205 lbs

1 lb≈ 0.454 kg

1 oz≈ 28.35 g

1 g≈ 0.035 oz