Legendary Roofing LLC — On-Site Calculator

On-Site Takeoff & Quote

Roof section

Length

feet

Width

feet

This job includes tear-off & disposal of the old roof

Waste factor 10%

Advanced specs — pitch, material type & quantities

Roofing material

Roof pitch

Only change this if lengths & widths were measured on the ground (footprint), not on the actual roof slope.

flat

Bundles per square

Most shingles: 3 bundles per square.

Shingles per bundle

Architectural ~21; 3-tab ~26.

Nails per shingle

Code often requires 4-6 in high-wind areas — check local code.

Nails per pound

Typical for 1-1/4" roofing nails.

Underlayment / slip sheet

Squares per sealant tube

Rough estimate — depends on penetrations.

Deck replacement

Number of 4×8 sheets to replace.

Material List

Enter a roof section above to generate your list.

No dimensions entered yet.

Roof area

—

Roofing squares

—

includes waste factor

Shingles

—

Roofing nails

—

Underlayment

—

Roofing sealant

—

tubes, perimeter & penetrations

Price Settings

Set current supplier costs — prices save automatically and carry to the next job.

Standard materials

Shingles

3-Tab $

Architectural $

—

Roofing nails $ / lb

—

Underlayment

Synthetic $

15# felt $

30# felt $

—

Roofing sealant $ / tube

—

Miscellaneous (ridge cap, starter strip, drip edge, flashing) $

Labor

Crew size

men

Hours on job

hours

Rate / man / hr $

per hr

—

Company profit margin %

Added to total cost (materials + labor) for the customer quote.

Planning estimates only. Always round up when ordering, and confirm panel specs, nailing/screw patterns, and current pricing with your supplier and local building code.