Dilution can really bite you in the back, if you are not careful. It has certainly happened to me. So I created this simple spreadsheet to help founders and early stage investors better estimate their dilution risk as the company does their first priced round.

Video Tutorial: https://www.youtube.com/watch?v=IAmqy9uxoO8

Spreadsheet: https://docs.google.com/spreadsheets/d/1gYevJY5Q6hGWM5jySZVn5qC--UIXuw4VPCFeIi5MGVY/edit?usp=sharing