Dowel Joint Calculator
Dowel Joint
Find the right dowel size and spacing for wood joints.
Formula
Dowel Diameter = Board Thickness / 2; Count = floor(Length / Spacing) + 1
Frequently Asked Questions
How do I choose dowel size?
Use a dowel diameter that is about half the board thickness.
How deep should dowel holes be?
Drill holes about 3 times the dowel diameter deep on each side.