Weight & Mass Converter
Convert weight & mass (Milligrams,Grams,Kilograms,Metric tons,Ounces,Pounds,Stone,US tons (short),Imperial tons (long)) instantly in your browser — nothing uploaded.
- Grams0.001
- Kilograms0.000001
- Metric tons1.0000e-9
- Ounces0.000035274
- Pounds0.00000220462
- Stone1.57473e-7
- US tons (short)1.10231e-9
- Imperial tons (long)9.8421e-10
How the Weight & Mass Converter Works
Handles conversions for mass and weight across metric (grams, kilograms, tonnes) and imperial/US customary measures (ounces, pounds, stone, short tons).
Conversion Example
Converting 150 pounds to kilograms: 150 × 0.45359237 = 68.0389 kg. Converting 500 grams to ounces: 500 / 28.3495 = 17.637 oz.
Frequently Asked Questions
What is the difference between mass and weight?
Mass refers to the amount of matter in an object, whereas weight is the gravitational force acting on that mass.
How many pounds are in a stone?
One stone equals exactly 14 pounds (approx. 6.35029 kg), a unit commonly used in the UK and Ireland for body weight.