Recognised as Mass & weight
90 carats
- Mass & weight
- ct
- Other
90 carats is a measurement of mass & weight. That is 0.018 kilograms, or 18 grams. Below it is converted into all 15 units Nerdulator knows for mass & weight.
Common conversions
kilograms0.018 kg
grams18 g
milligrams18,000 mg
tonnes0.000018 t
pounds0.03968321 lb
ounces0.63493132 oz
stone0.00283451 st
Every other unit of mass & weight
micrograms18,000,000 µg
short tons0.00001984 ton (US)
long tons0.00001772 ton (UK)
grains277.78245035 gr
drams10.15890104 dr
hundredweight0.00035431 cwt
slugs0.00123339 slug
About this quantity
CategoryMass & weight
Unitcarat (ct)
SystemOther
In kilograms (the base unit)0.018 kg
Definition1 carat = 0.0002 kilogramexact by definition
Double180 carats
Half45 carats
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