Free Woodworking Calculators
Free online calculators to help plan and execute your woodworking projects with precision. Calculate board feet and lumber costs, predict wood movement and shelf sag, and solve other common shop math problems quickly and accurately.
Wood Movement Calculator
Calculate how much your wood will expand or contract with moisture changes
Shelf Sag Calculator
Calculate how much a shelf will sag under load
Board Foot Calculator
Calculate lumber volume and cost in board feet or cubic meters
Table Saw Cove Angle Calculator
Calculate the fence angle for cutting coves on a table saw
Five Cut Method Calculator
Calculate table saw fence adjustment for perfect 90° cuts