Board 1
Enter actual dimensions, not the nominal name.
Board 1 total—
Free lumber planning tool
Board Foot Calculator
Calculate board feet for one board or a mixed-size project, including waste allowance and optional material cost.
Project calculator
Your lumber list
All results update automatically
Waste & cost
Measure with confidence
Lumber Calculations Made Simple
LumberMetric is a collection of free lumber and woodworking calculation tools for woodworkers, carpenters, lumber buyers, builders, contractors, and DIY projects.
Why LumberMetric?Built for real projects
Useful answers, without the friction
Start with the measurements you have. LumberMetric handles common imperial and metric units while keeping the calculation transparent.
Free to use
Plan materials without subscriptions, trials, or hidden fees.
No signup
Open the calculator and get a result without creating an account.
Mobile friendly
Use it at the lumberyard, workshop, or jobsite.
Practical calculations
Account for multiple board sizes, material waste, and lumber cost.
Guides
Understand the calculation
Review the standard board-foot formula, follow clear steps, and see worked examples for one board or a complete lumber list.
Learn how to calculate board feetPlan your next lumber purchase
Calculate one board or a complete project with mixed sizes, waste allowance, and optional cost.
Use the free calculator