Printable Joist Span Chart
This one-page floor joist span chart is for builders, remodelers, and DIY framing projects. It lists estimated floor joist spans for Douglas fir-larch No. 2 at 40 psf live load, 10 psf dead load, and L/360 deflection. The table includes columns for species, size, and spacing at 12 in. o.c., 16 in. o.c., 19.2 in. o.c., and 24 in. o.c. Example rows show sizes such as 2x6, 2x8, and 2x10 with span values in feet and inches.
Free printable · PDF
- 1 page
- US Letter, landscape — choose “Fit to page” for A4
- PDF, 60 KB
Free for personal, family and classroom use.
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Use it to compare joist sizes and spacing before framing a floor. Print the sheet in Letter landscape so the full table stays easy to read. Treat the spans as engineering estimates only, then confirm the numbers with your local building code span tables before cutting or installing joists.
Good for
- Compare joist sizes by spacing
- Check rough floor framing options
- Review span estimates before permitting
Tip: Print in landscape and keep a ruler nearby for quick span checks.
4 files · PDF, XLSX, DOCX
Get every sheet: Floor Framing Planner
This sheet plus 3 more in one download, with the editable Excel and Word files. Floor framing planner: printable estimated joist span chart, floor framing worksheet, joist layout grid and a framing inspection checklist.
$5.00 USD, one-time 4 files · about $1.25 each
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Printable Joist Span Worksheet1 page · free PDF
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Printable Joist Inspection ChecklistOne-page floor framing checklist for joist inspection, covering layout, size, spacing, fastening, blocking, and damage checks.1 page · free PDF