Construction Calculators

Rafter Length Calculator

Building Width (feet):

Roof Pitch (rise/12):

Overhang Length (inches):

Ridge Board Width (inches):

Cut List

Cut	Measurement	Angle

NC Building Code Lumber Span Calculator

Select Member Type:

Note: These spans are based on the NC Building Code requirements for:

Floor Joists: 40 psf live load + 10 psf dead load
Ceiling Joists: 10 psf dead load
Roof Rafters: 20 psf live load + 10 psf dead load (Ground Snow Load ≤ 20 psf)

Stud Wall Calculator

Total Wall Length (feet):

Wall Height (feet):

Number of Windows:

Number of Doors:

Materials Needed:

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