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
Converts mass and weight units between 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 is the fundamental quantity of matter in an object, while weight is the gravitational force exerted upon that mass.
How many pounds are in a stone?
One stone is equal to exactly 14 pounds (approx. 6.35029 kg), commonly used in the UK and Ireland for body weight.