Wood Log Calculator app for iPhone and iPad

Offline wood log calculator, unit converter and commercial wood species database.

Wood Log Calculator provides simple and advanced mathematical functions to calculate log volume ( 80+ wood log rules ), length, weight and wood density. You can share your calculations with friends and colleagues. This application is intended solely for comparing and supporting or verifying calculations using formulas and tables.

Features:
- 80+ Wood Log Rules
- Log Volume Calculation Export result for printing and sharing ( Text, CSV, PDF )
- Log Length Calculation based on wood density, log weight and mid-diameter or circumference
- Log Volume Calculation from wood density, log length and mid-diameter or circumference
- Calculation of Wood Density from log weight, log length and mid-diameter or circumference
- Share calculations with friends and colleagues
- Saving the density of frequently used timber
- Partner database
- Commercial wood species database ( density, specific gravity, hardness, shrinkage, ... ). 
This database contains the means density. The density of wood differs depending on tree species and tree growth environment.

- Customize your units:
- Length: Cm, Ft, In, Km, M, Mm, Mi, Yd, Shake, Sun
- Diameter, Circumference: Cm, Ft, In, Km, M, Mm, Mi, Yd, Shake, Sun
- Weight: G, Kg, Oz, Lb, St, Ton, Ton (UK), Ton (US)
- Volume: FT³, In³, Km³, M³, Mi³, Yd³, Bf, Mbf, Hft³, Ht, Bbf, Cunit, Cord, CordFeet, Koku
- Density: KG/M³, Lbs/Ft³, G/Cm³

- Unit converter with automatic summation (length, weight, area, volume, density).

- iCloud synchronization: automatic data synchronization between your devices.

Log Volume Calculators:
- Ake Rule
- Alberta Cubic Foot Rule
- Apgar Rule
- Bangor Rule
- Baxter Rule
- BC Firmwood Cubic Foot Scale (British Columbia Scale)
- Big Sandy Cube Rule
- Boyton Rule
- Brereton Rule
- Calcasieu Rule
- California Rule
- Carey Rule
- Cedar Log Scale
- Champlain Rule
- Clearfield Rule ( Clearfield County Rule )
- Clicks Rule
- Constantine Rule
- Cook Rule
- Cooley Rule
- Crooked River Rule
- Cuban One-Fifth Rule
- Cube Rule
- Cumberland River Rule
- Delaware Middle Diameter Rule
- Derby Rule
- Doyle Rule
- Drew Rule
- Eastern Shore Rule
- Excelsior Rule
- Fabians Rule
- Fairbanks Rule
- Favorite Rule
- Finch Rule
- Forty-Five Rule
- Frenchs Rule
- Goble Rule
- Hanna Rule
- Herring Rule
- Holden Rule
- Hollands Rule
- Hoppus Measurement
- Hubers Formula
- International 1/4-inch Log Rule
- International 1/8-Inch Kerf Rule
- Knoufs Rule
- Lehigh Rule
- Los Angeles Rule
- Lumbermans Rule
- Maine Rule
- Miller Rule
- Miner Rule
- Mississippi Pine Pole Scale
- Murdoch Rule
- Newfoundland Rule
- Newtons Formula
- Noble Rule
- Ochiltree Rule
- Ohio River Rule
- Ontario Board Foot Rule
- Ontario Cubic Foot Formula
- Orange River Rule
- Parsons Rule
- Partridge Rule
- Penobscot Rule
- Portland Scale
- Preston Rule
- Robinsons Cubic Foot Rule
- Robison Rule
- Ropp Rule
- Roy Rule
- Sabine River Rule
- Saco River Rule
- Scribner Rule
- Seven-Tenths Rule
- Smalians Formula (USFS)
- Spaulding Rule
- Square of Three-Fourths Rule
- Square of Two-Thirds Rule
- St. Louis Hardwood Rule
- Stillwell’s Vade Mecum Rule
- Tatarian Rule
- Tennessee River Rule
- Three-Fourths Rule
- Two-Thirds Cubic Foot Rule
- Two-Thirds Rule
- Universal Rule
- Universal Rule (Daniels)
- Vermont Rule
- Warner Rule
- Wilcox Rule
- Wilson Rule