If you're trying to normalise by the number of potential upvoters then a crude method would be: upvotes/(total thread views - thread views at time of posting)

If you're trying to normalise by the number of potential upvoters then a crude method would be: upvotes/(total thread views - thread views at time of posting) Doesn't factor in a bunch of things, but it does also cover posts on unpopular threads as well as bad times.