Joist Spacing Count
Calculator

Inputs

Joist count
13

Results

Joist count
13
Joist linear metres
52

Construction results

Joist count13
Joist linear metres52

formula-map diagram

Joist count
13
Joist linear metres
52

Formula breakdown

Formula

n = floor(width ÷ spacing) + 1

= 13

Note

Simplified model: results are quantity estimates only. They ignore openings, overlaps, cuts, site conditions and local building codes. Structural figures are not a substitute for a design by a qualified engineer.

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