woodworking Calculators
Last updated: May 2026
Board Feet Calculator
Compute the volume of a lumber board in board feet, the standard unit for pricing and ordering wood in North America.
Lumber Cost Calculator
Estimate the total cost of a lumber order by multiplying board feet by the price per board foot.
Wood Shrinkage Calculator
Predict the dimensional change of a wood board as moisture content drops from initial to final equilibrium, using the species-specific shrinkage rate.
Dado Blade Width Calculator
Compute the per-pass blade width to set on your saw when cutting a dado that requires multiple passes to reach the target groove width.
Miter Angle Calculator
Compute the miter angle to cut on each end of a piece in a regular polygon frame so the joints meet flush.
Wood Weight Calculator
Calculate the weight of a wood board or timber from its dimensions and species density.
Circular Saw Blade Speed Calculator
Calculate the tip (peripheral) speed of a circular saw blade from its diameter and motor RPM in feet per minute.
Wood Expansion Calculator
Estimate how much a wood board will expand or contract across its width as humidity (and therefore moisture content) changes.
Dovetail Angle Calculator
Find the traditional dovetail joint angle for softwood or hardwood based on standard woodworking practice.
Wood Stain Coverage Calculator
Calculate how many quarts of wood stain or finish you need based on surface area, number of coats, and product coverage rate.
Board Feet Calculator
Calculates the total board feet of lumber needed for a woodworking project, including a waste factor.
Table Sag Calculator
Estimates the mid-span deflection of a table top or shelf under a given load using beam-bending theory.
Miter and Bevel Cut Calculator
Computes the exact miter and bevel angles for picture frames, polygon frames, and crown molding joints.
Wood Shrinkage Calculator
Calculates the final width of a wood board after it shrinks or swells due to a change in moisture content.
Bandsaw Blade Length Calculator
Calculates the required blade length for a two-wheel bandsaw given wheel diameter and center-to-center distance, with a tension adjustment.
Dovetail Joint Calculator
Calculates tail and pin spacing for hand-cut dovetail joints given board width, thickness, angle, and pin ratio.
Wood Screw Pilot Hole Calculator
Determines the correct pilot hole diameter for wood screws based on screw size, wood hardness, head type, and thread pattern.
Lumber Drying Time Calculator
Estimates the air-drying time in days for green lumber based on board thickness, wood species, local climate, and stacking method.
Dust Collection CFM Calculator
Calculates the minimum CFM (cubic feet per minute) airflow required for effective dust collection, accounting for tool type, duct length, bends, and flexible hose.
Board Feet Lumber Calculator
Calculates total board feet of lumber needed for a project, including a waste factor for cuts and defects.
Wood Moisture Content Calculator
Determine the moisture content of lumber from wet and dry weights, then estimate how much water must be removed to reach a target moisture level for woodworking or construction.
Wood Movement Calculator
Predict how much a wood board will expand or contract in width when relative humidity changes, helping woodworkers plan for seasonal movement and avoid joint failure.
Table Saw Blade Height Calculator
Find the recommended table saw blade height for a given material thickness, tooth count, and cut type so you maximize cut quality while keeping the blade exposure safe and efficient.
Router Bit Speed Calculator
Calculate the recommended router speed in RPM for a given bit diameter and material, preventing burning, tearout, and bit damage caused by running too fast or too slow.
Lumber Cost Calculator
Estimate the total cost of lumber for a woodworking or construction project by accounting for board feet needed, price per board foot, waste, sales tax, and delivery charges.
Wood Glue Coverage Calculator
Estimate how much wood glue you need and how long to clamp joints based on surface area, glue type, temperature, and humidity.
Miter Saw Angle Calculator
Find the exact miter and bevel angles to set on your miter saw for polygon frames, inside corners, and crown molding compound cuts.
Wood Shrinkage Calculator
Predict how much a wood board will shrink or swell as its moisture content changes between initial and final conditions.
Router Speed Calculator
Find the optimal RPM for your router bit based on bit diameter, material type, and cut type.
Miter & Bevel Angle Calculator
Calculate miter and bevel angles for flat frames, pyramid structures, and angled polygon assemblies given the number of sides and frame type.
Wood Glue Coverage Calculator
Estimate how much wood glue you need for lamination or edge-joining projects.
Dado Depth Calculator
Find the ideal dado or groove depth for cabinet and shelf joints based on material thickness and load.
Wood Finish Coverage Calculator
Calculate the exact volume of varnish, oil, stain, or lacquer needed for a woodworking project.
Bandsaw Blade Length Calculator
Determine the exact blade length needed for your bandsaw based on wheel diameter, center-to-center distance, blade width, and tension setting.
Dowel Joint Strength Calculator
Estimate the load capacity of a dowel joint given dowel diameter, penetration depth, number of dowels, wood species strength, and a safety factor.
Table Saw Blade Speed Calculator
Calculates the blade tip speed of a table saw given blade diameter and motor RPM.
Mortise and Tenon Calculator
Calculates tenon thickness as two-thirds of the rail thickness, rounded to the nearest 1/16 inch — the classic rule for strong mortise-and-tenon joints.
Wood Drying Time Calculator
Estimates the air-drying time for freshly sawn lumber in days, based on thickness, wood species, local climate, and how the stack is built.
Plywood Sheet Optimization Calculator
Calculates the minimum number of full plywood sheets needed to yield a required number of identical rectangular pieces, accounting for saw kerf loss.
Board Feet and Lumber Cost Calculator
Calculates total lumber cost from board dimensions, quantity, price per board foot, and a waste factor.