# Log Rule Calculators and Log Volume Formulas

### Log Rule Calculators

Brereton Log Rule - Imperial MeasurementsBrereton 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

Roy Log Rule

Ontario Log Rule

Scribner Log Rule

Scribner Decimal C

Comparing Results from Various Board Feet Log Rules

### Log Volume Formula Calculators

Chinese National StandardHuber's Formula

Newton's Formula

Pressler's Cubic Foot Formula

Smalian's Formula - Metric

Smalian's Formula - Imperial

Spike's Rule

William Klemme

### Log Weight and Volume Calculators

Calculate the Merchantable Volume and Green Weight of a LogVolume of Bark

Estimate the Weight of a Log in Pounds using Huber's Formula

Estimate the Weight of a Log in Kilograms using Huber's Formula

### Wood and Moisture

Equilibrium Moisture Content of Wood - CelsiusEquilibrium Moisture Content of Wood - Fahrenheit

Moisture Content Measured On A Dry Basis

Moisture Content Measured On A Wet Basis

Proportional Weight of Wood and Water in One Pound

### Proportion: Area Basis

Square Foot per Acre to Square Metres per HectareSquare Metre per Hectare to Square Feet per Acre

Amount per Square Inch to per Square Centimetre

Amount per Square Centimetre to per Square Inch

Amount per Square Metre to per Square Foot

Amount per Square Foot to per Square Metre

Amount per Square Yard to per Square Metre

Amount per Square Metre to per Square Yard

Amount per Milacre to per Square Metre

Amount per Square Metre to per Milacre

Amount per Acre to per Hectare

Amount per Hectare to per Acre

Amount per Square Mile to per Square Kilometre

Amount per Square Kilometre to per Square Mile

Cubic Metre per Hectare to Hoppus Feet per Acre

Hoppus Foot per Acre to Cubic Metres per Hectare

### Proportion: Volume Basis

Cubic Foot per Acre to Cubic Metres per HectareCubic Metre per Hectare to Cubic Feet per Acre

### Timber Conversions

Cubic Foot to Cubic MetreCubic Foot to Hoppus Feet

Cubic Foot to Francon Cubic Metres

Cubic Metre to Cubic Feet

Cubic Metre to Hoppus Feet

Francon Cubic Metre to Cubic Metres

Francon Cubic Metre to Hoppus Feet

Francon Cubic Metre to Cubic Feet

Hoppus Foot to Cubic Feet

Hoppus Foot to Cubic Metres

Hoppus Foot to Francon Cubic Metres

Petrograd Standard to Cubic Feet and Cubic Metres

### Stems, Girth, Diameter and Basal Area

Square Feet (Quarter Girth) to Square CentimetresSquare Feet (Quarter Girth) to Square Metres

Basal Area from Diameter in Inches

Basal Area from Diameter in Centimetres

Basal Area from Girth Measured @ Breast Height in Inches

Basal Area from Girth Measured @ Breast Height in Centimetres

Area of a Circle from Foot and Inch Diameter

Area of a Circle from Diameter in Metres

Trees per Acre to Trees per Hectare

Trees per Hectare to Trees per Acre

### More

Converting between Wood Specific Gravity BasesDiameter of Tree from Circumference Measurement