Skip to content
Calculator Collection

Compare calculators

Both calculators run independently β€” change the inputs on either side to compare results.

Woodworking

Dovetail Joint Calculator

Calculates tail and pin spacing for hand-cut dovetail joints given board width, thickness, angle, and pin ratio. Use it before marking out joinery to get precise, evenly spaced cuts every time.

Fill in the required fields to see your result.
Woodworking

Wood Expansion Calculator

Estimate how much a wood board will expand or contract across its width as humidity (and therefore moisture content) changes. Essential for furniture makers and flooring installers designing for seasonal wood movement.

Fill in the required fields to see your result.

Key differences

Dovetail Joint CalculatorWood Expansion Calculator
CategoryWoodworkingWoodworking
Inputs required53
ResultTail Width (inches)Total Expansion (inches)
What it doesCalculates tail and pin spacing for hand-cut dovetail joints given board width, thickness, angle, and pin ratio. Use it before marking out joinery to get precise, evenly spaced cuts every time.Estimate how much a wood board will expand or contract across its width as humidity (and therefore moisture content) changes. Essential for furniture makers and flooring installers designing for seasonal wood movement.