WoodCalc Pro

Professional woodworking calculators for board feet, stairs, decks, rafters, and lumber. Built for contractors and DIYers.

Featured Woodworking Tips

Always double-check your measurements before making cuts. Use our calculators to verify dimensions and reduce waste.

Our calculators include IRC code compliance checking for stairs and span tables for decks to ensure safety.

Add 10-15% extra material for cuts, mistakes, and defects. Better to have extra than run short mid-project.

Always measure twice, cut once. This simple rule prevents costly mistakes and material waste.

Safety

Calculate board feet for lumber purchases. Support for multiple boards and cost comparison.

Calculate stair geometry with IRC code compliance checking and visual diagrams.

Calculate decking boards, joists, and materials with span validation.

Calculate rafter dimensions, cut angles, and roof geometry with visual diagrams.

Estimate dimensional lumber for framing and plywood sheets for sheathing.