Lumber Cost Calculator
Calculate total cost of a lumber order by quantities of each common dimensional size and price per piece.
The lumber cost calculator totals a typical framing or deck-build lumber order across the five most common dimensional sizes - 2x4, 2x6, 2x8, 2x10 and 2x12. Enter the quantity of each size and the current per-piece price (varies by region and date), and the calculator returns subtotal, tax, total cost and the implied cost per board foot. Use this for project budgeting before a Home Depot or Lowe's run, for comparing yards, or for tracking project material spend. Lumber prices move significantly - in early 2021 prices tripled vs 2019, then crashed back; always check current pricing the day of purchase.
Explore all our framing and lumber calculator tools, or browse the full construction & home improvement diy calculators.
Frequently asked questions
In normal markets (2018-2019, 2024-2026 base), 2x4x8 ft SPF: $4-6. 2x6x8 ft: $7-10. 2x8x8 ft: $10-14. 2x10x12 ft: $18-25. 2x12x16 ft: $35-45. Prices spike during housing booms and supply shocks - in May 2021 a 2x4x8 hit $9-12. Pressure-treated lumber runs 30-50% more than untreated SPF. Always confirm current pricing at your local yard.
Material only, framing lumber for a typical 2,000 sq ft single-story house: $8,000-15,000 in normal markets. This includes wall studs and plates, headers, floor joists, ceiling joists, rafters/trusses, sheathing and subfloor. The lumber cost calculator is meant for smaller projects (one wall, one deck, one addition) where you have the actual takeoff. For whole-house framing, get itemized bids from at least 3 lumberyards.
Box stores (Home Depot, Lowe's) are convenient for small projects (under $1000) but quality varies - check every stick for bows, knots and splits. Real lumberyards (privately owned or chain like 84 Lumber) have better-grade material, will deliver large orders for free, and price-match contractor accounts. For any project over $1000-2000 in lumber, the yard wins on price, quality and delivery convenience.
SPF (Spruce-Pine-Fir): the cheapest and softest, common in northern markets and Canada. Doug Fir-Larch: ~10% stiffer and stronger, common in western US. Southern Pine: similar strength to Doug fir, common in the southeast, also the dominant species for pressure-treated lumber. For most home framing the differences barely matter; for long-span joists or rafters, Doug fir or southern pine lets you go smaller.
No - just the dimensional lumber itself. Plan to add 10-15% on top of the lumber cost for nails, screws, joist hangers, post anchors and other framing hardware. A typical framing job uses 8-12 lbs of common nails per 100 sq ft of wall and 5-10 lbs of joist hanger nails per joist system. Buy fasteners in bulk - 50 lb buckets are far cheaper per pound than 5 lb boxes.