basic

Wall Stud Count Calculator

Number of studs for a wall at given on-centre spacing.

Compute the number of wall studs required for a straight wall of given length and on-centre spacing, plus extras for door and window openings (3 extra studs each: jack + king + cripple).

Marcus Laurent By Marcus Laurent
Published Last reviewed 1 min read

Inputs

ft

Results

Enter values and click Calculate to see results.
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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

Studs = ceil(wall_length_ft · 12 / spacing_in) + 1 + 3 · openings.

In depth

Compute the number of wall studs required for a straight wall of given length and on-centre spacing, plus extras for door and window openings (3 extra studs each: jack + king + cripple).