# Log Rule Calculators and Log Volume Formulas

Various logging related calculators for estimating tree and log volumes and weight.

#### Log Rule Calculators

- Brereton Log Rule - Imperial Measurements
- Brereton Log Rule - Metric Measurements
- Cubic Metre Rule
- Doyle Log Rule
- Francon Measure
- Hoppus Rule
- International 1/8-inch Log Rule
- International 1/4-inch Log Rule
- International 1/4-inch Log Rule (Grosenbaugh)
- International 1/8-inch and 1/4-inch Log Rules
- Japanese Agricultural Standard (JAS)
- Nova Scotia Cubic Metre Log Scale
- Ontario Log Rule
- Scribner Log Rule
- Scribner Decimal C

#### Log Volume Formula Calculators

#### Log Weight and Volume Calculators

## 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.
- 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
- 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

## Log Volume Formula Calculators

## Log Weight and Volume Calculators

↑