Board Foot & Lumber Calculator
Calculate board feet (L x W x T / 144) and lumber cost for multiple plank sizes with species price presets and waste allowance. Instant, client-side.
Loading tool...
What is Board Foot & Lumber Calculator?
The Board Foot & Lumber Calculator converts your cut list into board feet and dollars. Enter planks with quantity, length, width, and thickness; the tool applies the standard L x W x T / 144 formula, adds a waste allowance, and prices the order with species presets for pine, cedar, maple, oak, and walnut.
Key Benefits
- Know your lumber volume before you get to the yard
- Whole cut lists priced at once with multiple rows
- Waste allowance prevents mid-project material shortages
- Species presets give realistic cost estimates
- Per-plank breakdown shows exactly where the volume goes
Common Use Cases
- •Pricing hardwood for a table or cabinet build
- •Estimating framing lumber for a small project
- •Comparing species costs for a bookshelf design
- •Checking supplier quotes against your own math
- •Planning a weekend woodworking budget
How to Calculate Board Feet
- Enter each plank: Add a row per plank size: quantity, length in feet, width and thickness in inches.
- Set waste allowance: Add 10-15% waste for cutting losses and defects so you buy enough material.
- Pick a price: Choose a species preset like oak or walnut, or type a custom price per board foot from your supplier.
- Read the totals: See exact board feet, the waste-inclusive total, and the estimated cost with a per-plank breakdown.
Key Features
- Standard board-foot formula (L x W x T / 144) applied per plank
- Multiple plank rows with quantities for whole cut lists
- Waste allowance folded into the purchase total
- Species price presets: pine, cedar, maple, oak, walnut
- Custom per-board-foot price override
- Per-row board-feet breakdown with instant updates