Well, make it 2.98 instead. Comes from "take your estimate and multiply by Pi ;)" I think 1:3 ratio is about right. If you do not agree you are more then welco

Well, make it 2.98 instead. Comes from "take your estimate and multiply by Pi ;)" I think 1:3 ratio is about right. If you do not agree you are more then welcome to make your own number