Log Rule Calculators and Log Volume Formulas

Log Rule Calculators

Brereton Log Rule - Imperial Measurements
Calculate the merchantable volume of a log in cubic feet with conversion to board feet.
In the calculator results change the order of cubic feet and board feet.
Brereton Log Rule - Metric Measurements
Calculate the merchantable volume of a log in cubic metres with conversion to cubic feet.
In the calculator results change Cubic Foot to Cubic Feet.
Cubic Metre Rule
Calculate the merchantable volume of a log in cubic metres with conversion to cubic feet and board feet.
In the calculator results change Foot to Feet for both results.
Doyle Log Rule
Calculate the merchantable volume of a log in board feet with conversion to cubic feet and cubic meters.
International 1/8-inch Log Rule
The original International Log Rule. Calculate the merchantable volume of a log in board feet for 4', 8', 12', 16' and 20 foot long logs. Conversions to cubic feet and cubic meters included.
International 1/4-inch Log Rule
International Log Rule adjusted for 1/4" Kerf. Calculate the merchantable volume of a log in board feet for 4', 8', 12', 16' and 20 foot long logs. Conversions to cubic feet and cubic meters included.
International 1/4-inch Log Rule (Grosenbaugh)
The adaption of the International 1/4 Log Rule by Grosenbaugh which calculates merchantable volume of a log in board feet for any length of a log.
International 1/8-inch and 1/4-inch Log Rules
Calculates merchantable volume of a log in board feet for any length of a log with results for 1/8 and 1/4 International Log Rule.
Japanese Agricultural Standard (JAS)
Nova Scotia Cubic Metre Log Scale
Calculate the merchantable volume of a log in cubic metres with conversion to cubic feet and board feet.
In the calculator results change Foot to Feet for both results
Ontario Log Rule
Calculate the merchantable volume of a log in board feet with conversion to cubic feet and cubic meters.
Foot to Feet for both results.
Scribner Log Rule
Calculate the merchantable volume of a log in board feet with conversion to cubic feet and cubic meters.
Scribner Decimal C
Calculate the merchantable volume of a log rounded to the nearest "10" board feet with conversion to cubic feet and cubic meters.

Log Volume Formula Calculators

Chinese National Standard
People's Republic of China national standard GB4814-84
Huber's Formula
Calculate the volume of a log in cubic metres.
Newton's Formula
Calculate the volume of a log in cubic metres with the Metric version and in cubic feet for the Imperial version.
Pressler's Cubic Foot Formula
Smalian's Formula - Metric
Calculate the volume of a log in cubic feet with conversion to cubic meters.
Smalian's Formula - Imperial
Calculate the volume of a log in cubic metres with conversion to cubic feet.
Spike's Rule
William Klemme

Log Weight and Volume Calculators

Calculate the Merchantable Volume and Green Weight of a Log
Calculate the merchantable volume of a log in board feet using the International, Doyle or Scribner log rules plus the estimated green weight of the log in lbs for various tree species.
Volume of Bark
Estimate the Volume of Bark as a Percentage.
Estimating the Weight of a Log
Estimate the weight and volume of a log using Huber's formula. Volume in cubic feet, weight of log in lbs.
Equilibrium Moisture Content of Wood - Celsius
Equilibrium Moisture Content of Wood - Fahrenheit

More

Comparing Results from Various Board Feet Log Rules
Equilibrium Moisture Content of Wood - Celsius
Equilibrium Moisture Content of Wood - Fahrenheit


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