Reference chart

Board Foot Quick Reference Chart

Use this exact geometry table as a quick lumber-volume reference when dimensions match a listed row. It does not account for grade, surfacing, actual dressed size, waste or supplier pricing.

Quick answer

Board feet = thickness (in) × width (in) × length (ft) ÷ 12 for one board.

Board dimensions	Length	Board feet / board
1 × 4	8 ft	2.67 bd ft
1 × 6	8 ft	4.00 bd ft
1 × 8	8 ft	5.33 bd ft
1 × 10	8 ft	6.67 bd ft
1 × 12	8 ft	8.00 bd ft
2 × 4	8 ft	5.33 bd ft
2 × 6	8 ft	8.00 bd ft
2 × 8	8 ft	10.67 bd ft
2 × 10	8 ft	13.33 bd ft
2 × 12	8 ft	16.00 bd ft

How to use this chart

Match the entered thickness, width and length to a listed row.
Multiply the per-board result by the number of boards only when all boards use the same dimensions.
Open the Board Foot Calculator for mixed dimensions, allowance or Metric inputs.

Data basis

Generated exactly from board feet = thickness in inches × width in inches × length in feet ÷ 12.

Planning context

Board Foot Dimension & Pricing Basis Guide

Record the thickness, width, length and count basis used for board-foot pricing before adding defect or cut allowance.

Read guide