calculate roof square footage 2

https://mymeasureyourroofhaven.valoradigest.com/posts/how-to-measure-your-roof-for-accurate-material-estimates

To calculate roof square footage, measure the length and width of each roof section, multiplying them to get the area. For sloped roofs, adjust for pitch by multiplying the area by the pitch factor. Add all sections together for the total, and don't forget to include overhangs for accuracy.