Locally (As in VA)

Nickel = 5$ = about a 1/4 gram

Dime = 10$ = Half G

Dub = 20$ = G

1/4 = between 30 and 45 $ = 1/4 ounce

1/2 = Between 80 and 120 $ = Half ounce

O = around 180 ta 200 $ = Ounce

Prices differ with seller and quality aswell.