How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
Sloped rafter length
sqrt(rise^2+run^2)*(1+overhang/run)Rafter Length Calculator
Run must be positive. Straight slope geometry; excludes joint cuts and structural design.
Run must be positive. Straight slope geometry; excludes joint cuts and structural design.
Result
Enter your values and run the tool to see your result.