Rafter Calculator for Denver, CO

Find rafter length from building width, pitch and overhang. Get your numbers below, then request quotes from contractors serving Denver, CO.

Building width

Roof pitch

Overhang

Rafter length

13.42 ft

With overhang: 14.53 ft
Run: 12 ft
Rise: 6 ft
Pitch angle: 26.6°

Geometry only — this does not determine structural load capacity or code compliance. Confirm framing with a licensed professional.

Save This Calculation

Ready to start your Denver, CO project?

Tell us what you need and we'll match you with local contractors.

Related calculators

Roof Pitch Calculator

Convert rise and run into pitch notation, angle and slope percent.

Board Foot Calculator

Calculate board feet and lumber cost from thickness, width and length.

Estimates are provided for planning purposes. Actual material requirements may vary based on supplier specifications, compaction, site conditions, installation method, waste, and local code.