basic

Roofing Nail Quantity Calculator

Nails needed for a shingle roof.

Compute the number of roofing nails needed for an asphalt-shingle roof, given the roof area in squares (1 square = 100 ft²) and a fasteners-per-shingle setting (4 standard, 6 in high-wind areas).

Published Last reviewed 1 min read

Inputs

sq

Results

Enter values and click Calculate to see results.
Was this helpful?

How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Bundles = squares · 3 (typical). Nails = bundles · 21 shingles · nails_per_shingle.

In depth

Compute the number of roofing nails needed for an asphalt-shingle roof, given the roof area in squares (1 square = 100 ft²) and a fasteners-per-shingle setting (4 standard, 6 in high-wind areas).