Explore a dimension
Mass,
in perspective.
117 useful quantities, from particles & molecules to moons, planets & stars.
117 quantities, organised by scale.
No matches here. Try the main search to explore your own quantity.
01 / 10 discoveries
Particles & molecules
02 / 33 discoveries
In your hand
1 microgram10 micrograms1 Planck mass100 micrograms1 milligram5 milligrams10 milligrams50 milligrams100 milligrams250 milligrams500 milligrams1 gram2 grams5 grams0.25 ounces10 grams0.5 ounces20 grams25 grams1 ounce50 grams2 ounces100 grams4 ounces125 grams200 grams8 ounces250 grams12 ounces1 pound500 grams750 grams2 pounds
03 / 34 discoveries
Everyday mass
1 kilogram2 kilograms5 pounds3 kilograms10 pounds5 kilograms1 stone15 pounds20 pounds10 kilograms25 pounds30 pounds15 kilograms40 pounds20 kilograms50 pounds25 kilograms30 kilograms5 stone75 pounds40 kilograms100 pounds50 kilograms8 stone60 kilograms10 stone150 pounds70 kilograms75 kilograms12 stone80 kilograms14 stone90 kilograms200 pounds
04 / 31 discoveries
Heavyweights
100 kilograms16 stone250 pounds20 stone150 kilograms200 kilograms500 pounds250 kilograms1,000 pounds500 kilograms750 kilograms1 US ton1 tonne1 long ton2 US tons2 tonnes3 tonnes5 US tons5 tonnes10 US tons10 tonnes10 long tons20 tonnes50 US tons50 tonnes100 US tons100 tonnes100 long tons200 tonnes500 tonnes1,000 US tons
05 / 3 discoveries
Enormous loads
06 / 6 discoveries
Moons, planets & stars
There’s always another scale
Follow your curiosity.
Microscopic10 µm cell10 µmA cell is the basic structural unit of living organisms.
Microscopic2 µm bacterium2 µmA bacterium is a single-celled microorganism without a membrane-bound nucleus.
MicroscopicGrain of sand500 µmA grain of sand is a tiny fragment of rock or mineral, commonly found on beaches and in soil.
Living thingsPoppy seed1 mmA poppy seed is an edible seed produced by plants in the poppy family and commonly used in breads and other foods.
Living thingsSesame seed3 mmA sesame seed is an oil-rich edible seed produced by the sesame plant and used whole, ground or pressed for oil.
Everyday thingsGrain of rice7 mmA grain of rice is the edible seed of the rice plant, widely consumed as a staple food.
Living thingsSmall ant5 mmAn ant is a social insect that lives in an organised colony, usually with workers, a queen and specialised roles.
Living thingsMosquito6 mmA mosquito is a slender flying insect with long legs and a piercing mouthpart.