Dowel Joint Sizing Calculator Reference Values
Estimate dowel diameter, count, and embedment depth from board thickness, joint width, and load class.
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Reference Value Index
This page lists 75 reference values for quick browsing and lookup.
All Reference Values
- 0.75 in stock, 2.5 in joint, Light Duty = 3 dowel(s) at 0.25 in
- 0.75 in stock, 2.5 in joint, Medium Duty = 3 dowel(s) at 0.25 in
- 0.75 in stock, 2.5 in joint, Heavy Duty = 2 dowel(s) at 0.25 in
- 0.75 in stock, 3.5 in joint, Light Duty = 5 dowel(s) at 0.25 in
- 0.75 in stock, 3.5 in joint, Medium Duty = 4 dowel(s) at 0.25 in
- 0.75 in stock, 3.5 in joint, Heavy Duty = 3 dowel(s) at 0.25 in
- 0.75 in stock, 5.5 in joint, Light Duty = 8 dowel(s) at 0.25 in
- 0.75 in stock, 5.5 in joint, Medium Duty = 6 dowel(s) at 0.25 in
- 0.75 in stock, 5.5 in joint, Heavy Duty = 6 dowel(s) at 0.25 in
- 0.75 in stock, 7.25 in joint, Light Duty = 11 dowel(s) at 0.25 in
- 0.75 in stock, 7.25 in joint, Medium Duty = 9 dowel(s) at 0.25 in
- 0.75 in stock, 7.25 in joint, Heavy Duty = 7 dowel(s) at 0.25 in
- 0.75 in stock, 9.25 in joint, Light Duty = 14 dowel(s) at 0.25 in
- 0.75 in stock, 9.25 in joint, Medium Duty = 11 dowel(s) at 0.25 in
- 0.75 in stock, 9.25 in joint, Heavy Duty = 9 dowel(s) at 0.25 in
- 1 in stock, 2.5 in joint, Light Duty = 2 dowel(s) at 0.3125 in
- 1 in stock, 2.5 in joint, Medium Duty = 2 dowel(s) at 0.3125 in
- 1 in stock, 2.5 in joint, Heavy Duty = 2 dowel(s) at 0.3125 in
- 1 in stock, 3.5 in joint, Light Duty = 4 dowel(s) at 0.3125 in
- 1 in stock, 3.5 in joint, Medium Duty = 3 dowel(s) at 0.3125 in
- 1 in stock, 3.5 in joint, Heavy Duty = 3 dowel(s) at 0.3125 in
- 1 in stock, 5.5 in joint, Light Duty = 6 dowel(s) at 0.3125 in
- 1 in stock, 5.5 in joint, Medium Duty = 5 dowel(s) at 0.3125 in
- 1 in stock, 5.5 in joint, Heavy Duty = 4 dowel(s) at 0.3125 in
- 1 in stock, 7.25 in joint, Light Duty = 8 dowel(s) at 0.3125 in
- 1 in stock, 7.25 in joint, Medium Duty = 7 dowel(s) at 0.3125 in
- 1 in stock, 7.25 in joint, Heavy Duty = 6 dowel(s) at 0.3125 in
- 1 in stock, 9.25 in joint, Light Duty = 11 dowel(s) at 0.3125 in
- 1 in stock, 9.25 in joint, Medium Duty = 9 dowel(s) at 0.3125 in
- 1 in stock, 9.25 in joint, Heavy Duty = 8 dowel(s) at 0.3125 in
- 1.25 in stock, 2.5 in joint, Light Duty = 2 dowel(s) at 0.375 in
- 1.25 in stock, 2.5 in joint, Medium Duty = 2 dowel(s) at 0.375 in
- 1.25 in stock, 2.5 in joint, Heavy Duty = 1 dowel(s) at 0.375 in
- 1.25 in stock, 3.5 in joint, Light Duty = 3 dowel(s) at 0.375 in
- 1.25 in stock, 3.5 in joint, Medium Duty = 2 dowel(s) at 0.375 in
- 1.25 in stock, 3.5 in joint, Heavy Duty = 2 dowel(s) at 0.375 in
- 1.25 in stock, 5.5 in joint, Light Duty = 5 dowel(s) at 0.375 in
- 1.25 in stock, 5.5 in joint, Medium Duty = 4 dowel(s) at 0.375 in
- 1.25 in stock, 5.5 in joint, Heavy Duty = 4 dowel(s) at 0.375 in
- 1.25 in stock, 7.25 in joint, Light Duty = 7 dowel(s) at 0.375 in
- 1.25 in stock, 7.25 in joint, Medium Duty = 6 dowel(s) at 0.375 in
- 1.25 in stock, 7.25 in joint, Heavy Duty = 5 dowel(s) at 0.375 in
- 1.25 in stock, 9.25 in joint, Light Duty = 9 dowel(s) at 0.375 in
- 1.25 in stock, 9.25 in joint, Medium Duty = 7 dowel(s) at 0.375 in
- 1.25 in stock, 9.25 in joint, Heavy Duty = 6 dowel(s) at 0.375 in
- 1.5 in stock, 2.5 in joint, Light Duty = 1 dowel(s) at 0.5 in
- 1.5 in stock, 2.5 in joint, Medium Duty = 1 dowel(s) at 0.5 in
- 1.5 in stock, 2.5 in joint, Heavy Duty = 1 dowel(s) at 0.5 in
- 1.5 in stock, 3.5 in joint, Light Duty = 2 dowel(s) at 0.5 in
- 1.5 in stock, 3.5 in joint, Medium Duty = 2 dowel(s) at 0.5 in
- 1.5 in stock, 3.5 in joint, Heavy Duty = 2 dowel(s) at 0.5 in
- 1.5 in stock, 5.5 in joint, Light Duty = 4 dowel(s) at 0.5 in
- 1.5 in stock, 5.5 in joint, Medium Duty = 3 dowel(s) at 0.5 in
- 1.5 in stock, 5.5 in joint, Heavy Duty = 3 dowel(s) at 0.5 in
- 1.5 in stock, 7.25 in joint, Light Duty = 5 dowel(s) at 0.5 in
- 1.5 in stock, 7.25 in joint, Medium Duty = 4 dowel(s) at 0.5 in
- 1.5 in stock, 7.25 in joint, Heavy Duty = 4 dowel(s) at 0.5 in
- 1.5 in stock, 9.25 in joint, Light Duty = 6 dowel(s) at 0.5 in
- 1.5 in stock, 9.25 in joint, Medium Duty = 5 dowel(s) at 0.5 in
- 1.5 in stock, 9.25 in joint, Heavy Duty = 5 dowel(s) at 0.5 in
- 2 in stock, 2.5 in joint, Light Duty = 1 dowel(s) at 0.5 in
- 2 in stock, 2.5 in joint, Medium Duty = 1 dowel(s) at 0.5 in
- 2 in stock, 2.5 in joint, Heavy Duty = 1 dowel(s) at 0.5 in
- 2 in stock, 3.5 in joint, Light Duty = 2 dowel(s) at 0.5 in
- 2 in stock, 3.5 in joint, Medium Duty = 2 dowel(s) at 0.5 in
- 2 in stock, 3.5 in joint, Heavy Duty = 2 dowel(s) at 0.5 in
- 2 in stock, 5.5 in joint, Light Duty = 4 dowel(s) at 0.5 in
- 2 in stock, 5.5 in joint, Medium Duty = 3 dowel(s) at 0.5 in
- 2 in stock, 5.5 in joint, Heavy Duty = 3 dowel(s) at 0.5 in
- 2 in stock, 7.25 in joint, Light Duty = 5 dowel(s) at 0.5 in
- 2 in stock, 7.25 in joint, Medium Duty = 4 dowel(s) at 0.5 in
- 2 in stock, 7.25 in joint, Heavy Duty = 4 dowel(s) at 0.5 in
- 2 in stock, 9.25 in joint, Light Duty = 6 dowel(s) at 0.5 in
- 2 in stock, 9.25 in joint, Medium Duty = 5 dowel(s) at 0.5 in
- 2 in stock, 9.25 in joint, Heavy Duty = 5 dowel(s) at 0.5 in
Reference Table
Frequently Asked Questions
Frequently asked questions for Dowel Joint Sizing Calculator and its reference values.
How is dowel diameter selected?
This calculator starts with the common rule of thumb of about one-third of stock thickness, then snaps to a standard dowel size.
How is the dowel count estimated?
Count is estimated from available joint width after edge margins and a spacing factor that changes with load class.
What embedment depth should I target?
A practical starting point is around two dowel diameters of embedment into each side of the joint.
Is this enough for structural design?
Use this for shop planning; critical joints should still be verified with material tests, manufacturer data, or engineering design checks.
Methodology and Review
Each row on this page links to a value detail page derived from the same conversion data file as the main calculator and reference table. This reduces inconsistencies across page variants.
Editorial metadata and structured data are rendered across the converter page and linked value pages. Review policies are documented in our review process and editorial policy.