Timberlog is the fast, accurate log volume calculator trusted by foresters, loggers, and timber buyers — built for one-handed use in the field, clearly readable in bright sunlight, and fully offline.

MEASURE ANY WAY YOU WORK
• Round timber: log volume from diameter (or circumference) and length
• Sawn lumber (boards, planks, beams): width × thickness × length
• Board feet, cubic feet (CFT), or cubic meters
• Firewood estimation and stack volume
• Standing tree volume by Noonan (Kershaw)
• Bark thickness deduction and wood weight estimates

LOG RULES & SCALING STANDARDS
Doyle Log Rule, Scribner Decimal C, International 1/4", Ontario Scaler's Rule, Roy Log Rule, Cedar Log Scale (2/3 Rule), Hoppus (Quarter Girth), Huber, Smalian, JAS, GOST 2708-75, ISO 4480-83, ČSN/STN 48 0009, NF B53-020, plus local Czech/Slovak and Hungarian species volume tables.

FROM LOGS TO A PRICED LIST
• Tag every log with species, grade, assortment, and ID (barcode)
• Set prices per species and grade, with tax — see the load's value as you scale
• Average diameter, total volume, and weight at a glance
• Save and reload timber lists; add customer and company details to the header
• Export to Excel or PDF and share by email or cloud
• Print on site with Bluetooth ESC/POS thermal printers
• Hands full? Enter logs by voice

WHO IT'S FOR
Log scalers, timber cruisers, sawmills, firewood sellers, chainsaw owners, and logging crews working with skidders and tractors.

FREE FOREVER + PRO
The calculator is free, forever. Pro removes ads — try it free for 7 days.

App icon was designed by Špela Bečaj.