🏠 Roof Pitch Multiplier, Valley/Hip Waste % & Synthetic Underlayment

Architectural Shingle Roofing Squares & Cost Calculator

Calculate true residential roof surface area from footprint with roof pitch slope factors (4/12 to 12/12), calculate valley and hip waste allowances (10% to 18%), ice & water shield rolls, ridge vent linear feet, and turnkey contractor job pricing.

1. Project & Operating Inputs

Ground Building Footprint (Square Feet)

Roof Pitch Rise/Run (e.g. 6 for 6/12 pitch)

Customer Turnkey Price per Square ($ / Square)

Shingle Bundles, Felt & Nails Cost ($ / Square)

2. Financial Breakdown & Yield

SHINGLE ROOF SQUARES & PITCH MULTIPLIER

Turnkey Job Gross Profit

Roofing Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost