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Brereton Log Rule Board Foot Calculator

Calculate Board Feet using Brereton Log Rule





Unit Converter ▼

Formula

The Brereton Log Rule formula to calculate board feet is:

BF=0.06545D2L

Definition

The Brereton Log Rule calculates the volume of a log in board feet. It does not take into account any deductions needed for saw kerf, slabs, or edgings. It gives the volume of a log in terms of board feet, calculated at one cubic foot = 12 board feet.

Example Calculation

Let's assume the following values:

Using the formula:

BF=0.06545×202×16=418.88 board feet

Conversion Chart

Diameter (inches) Length (feet) Board Feet
6 16 37.70
8 16 67.02
10 16 104.72
12 16 150.80
14 16 205.25
16 16 268.08
18 16 339.29
20 16 418.88
22 16 506.84
24 16 603.19
26 16 707.91
28 16 821.00
30 16 942.48
32 16 1,072.33
34 16 1,210.56
36 16 1,357.17