Free calculators for
every wood project
Accurate material estimates backed by real wood species data — from quick board foot conversions to full project cost breakdowns.
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Calculators
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Categories
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Board Foot
Calculate board feet from lumber dimensions
Deck Board
Calculate how many deck boards you need
Fence Material
Calculate posts, rails, pickets, and concrete bags for any fence project
Hardwood Flooring
Calculate square footage, board feet, boxes, and cost for hardwood flooring
Wood Weight
Estimate lumber weight by species and dimensions
Lumber Cost
Build a lumber list with multiple board sizes, estimate total board feet, cost with waste factor and tax.
Lumber Volume & Measurement
5 calculatorsBoard feet, volume, weight, and cost calculations for rough and dimensional lumber.
Board Foot Calculator
Calculate board feet from lumber dimensions — thickness, width, length, quantity, with waste factor and cost estimates.
Wood Weight Calculator
Estimate lumber weight by species and dimensions — in pounds, kilograms, and tons using real density data from our species database.
Lumber Cost Calculator
Build a lumber list with multiple board sizes, estimate total board feet, cost with waste factor and tax.
Log Volume Calculator
Calculate log board feet using Doyle, Scribner, and International ¼-inch rules — the three standard log scaling methods.
Plywood & Sheet Goods Calculator
Calculate how many sheets of plywood, OSB, or MDF you need for any project — with waste factor and cost estimate.
Deck Building
8 calculatorsCalculate boards, joists, beams, footings, stairs, and total materials for deck projects.
Deck Board Calculator
Calculate how many deck boards you need — total boards, linear feet, board feet, cost, and weight for any deck size.
Deck Joist Calculator
Calculate the number of joists, rim joists, blocking, hangers, and total linear feet for your deck frame.
Deck Stair Calculator
Calculate rise, run, number of steps, stringer length, and materials for deck stairs — with building code comfort check.
Deck Footing Calculator
Calculate concrete volume, bag count, and bearing capacity for deck footings — with frost line check and soil type.
Deck Cost Estimator
Full project cost breakdown including decking, framing, railing, stairs, footings, labor, and permits — by material type.
Deck Railing Calculator
Calculate posts, balusters, top/bottom rails, and cap rail for deck railing — with building code notes.
Decking Pattern Calculator
Board counts for standard, diagonal, herringbone, picture frame, chevron, and parquet decking patterns.
Deck Board Span Calculator
Calculate maximum allowable deck board span based on species strength, board thickness, and load requirements
Fence
3 calculatorsPosts, pickets, rails, concrete, and total fence material estimates.
Fence Material Calculator
Calculate posts, rails, pickets, and concrete bags for any fence project — with gate support and waste factor.
Fence Post Calculator
Calculate post count, spacing, concrete needed, and gravel for any fence length — with gate posts included.
Fence Cost Estimator
Full fence project cost breakdown with 7 fence styles, gates, labor, demolition, and permits.
Flooring
2 calculatorsHardwood flooring, subfloor, waste factor, and installation calculations.
Hardwood Flooring Calculator
Calculate square footage, board feet, boxes, and cost for hardwood flooring — with pattern waste and species weight.
Floor Joist Calculator
Calculate joist count, spacing, and span check for floor framing — with built-in span tables.
Framing
3 calculatorsWall studs, roof rafters, joists, headers, and structural lumber calculations.
Wall Stud Calculator
Calculate studs, plates, headers, and lumber for wall framing — with door and window openings.
Roof Rafter Calculator
Calculate rafter count, length, ridge board, collar ties, roof area, and roofing squares for gable roofs.
Stair Stringer Calculator
Calculate step count, rise/run per step, stringer length, and building code compliance for custom stairs.
Unit Conversions
3 calculatorsConvert between board feet, square feet, cubic feet, linear feet, and metric units.
Nominal vs Actual Lumber Size Chart
Quick reference table for nominal to actual lumber dimensions — from 1×2 through 8×8 with cross-section area.
Board Feet ↔ Square Feet Converter
Convert between board feet, square feet, linear feet, and cubic feet based on board thickness and width.
Metric Lumber Converter
Convert between inches, feet, millimeters, meters, board feet, and cubic meters for international lumber projects.
Concrete & Footings
1 calculatorFooting size, concrete volume, and post hole calculations.
Wood Finishing
2 calculatorsStain, sealer, oil, and paint coverage calculators.
Wood Stain & Finish Calculator
Calculate how much stain, sealer, polyurethane, oil, or paint you need — with coverage rates, coats, and cost estimate.
Paint Calculator
Calculate gallons of paint needed for walls and ceiling — with door/window deductions, coats, and finish type.
Advanced Wood Science
4 calculatorsWood movement, moisture content, shrinkage, and species density tools.
Wood Movement Calculator
Predict seasonal wood expansion and contraction by species, grain orientation, and moisture content change.
Firewood Calculator
Calculate cords needed for heating season or convert a woodpile to cords — with BTU data by species.
Moisture Content Calculator
Calculate wood moisture content from oven-dry weights or predict dried weight at target MC.
Lumber Yield Calculator
Calculate rough-to-finished yield with thickness loss, width loss, defects, and effective cost per board foot.
Wood Projects
8 calculatorsWorkbench, shelving, cabinet, and custom project material estimators.
Shelf Sag Calculator
Check if your shelf will sag under load — calculates deflection, maximum recommended load, and gives species-specific stiffness data.
Cut List Optimizer
Enter your cut list and stock board length to see optimized cutting layout, boards needed, and material efficiency.
Pergola Calculator
Calculate posts, beams, rafters, purlins, and concrete footings for a custom pergola build.
Workbench Planner
Complete material list for a custom workbench — top, legs, stretchers, shelf, and hardware.
Drawer Box Calculator
Cut list for drawer box sides, front/back, and bottom panels — with slide clearances and joint types.
Cabinet Box Calculator
Cut list and sheet goods estimate for face-frame or frameless cabinet carcasses.
Wood Glue-Up Calculator
Calculate strips, clamps, glue amount, and open time for edge-gluing wood panels.
Sauna Wood Calculator
Cedar, alder, or spruce for sauna walls, ceiling, benches, framing, and insulation.
Siding & Cladding
1 calculatorWood siding, shiplap, board and batten, and cladding material calculators.
Trim & Molding
3 calculatorsBaseboard, crown molding, door and window trim length calculators.
Baseboard & Trim Calculator
Calculate linear feet of baseboard, crown molding, door casing, or window casing — with board count and cost.
Crown Molding Calculator
Calculate linear feet, pieces, miter cuts, and splice joints for crown molding installation.
Wainscoting Calculator
Calculate boards, panels, cap rail, and base molding for beadboard, shiplap, or board-and-batten wainscoting.
Shipping & Freight
1 calculatorLumber weight, pallet, truckload, and freight class calculators.