No one buys in Grams........the metric system is hardly used when concerning weed.

1/16 weighs 1.75 which costs £10.

1/8 weighs 3.5 and costs £20

1/4 is 7 grams and costs £35-£40

1/2 is 14 grams and costs anything between £60-£70

Oz is 28 grams and costs between £100-£125