Rafter Calculator
Counts rafters along building length direction simplified as span/spacing +1.
Step 1: Units
Step 2
Enter project measurements
Use decimals if needed (e.g. 3.5).
A kalkulator hasznalata
Enter plan dimension along ridge and rafter spacing.
Mit szamol a keplet
Counts rafters along building length direction simplified as span/spacing +1.
Gyakran ismelt kerdesek
Hip roofs?
This is a ridge-run simplification only.
Birdsmouth?
Does not change count.
Collar ties?
Separate members.
Engineering?
Follow truss or rafter tables.