Kubaj: Volume Calculator

From log to cubic meter — on your phone. Huber, Smalian, Doyle. Private. 39 languages.

From log to cubic meter — calculated on your phone.

Kubaj: Volume Calculator is the measurement tool timber merchants, forest engineers, and log buyers need. Input diameter, length, trim — get precise volume using different methods (Huber, Smalian, Newton). Works in the field, in the truck, at the mill — offline.

Every feature described below is unlocked only with an auto-renewable subscription purchased inside the app. New users receive a one-week free trial; you may cancel anytime during the trial to avoid being charged.

WHAT YOU GET • Volume calculation (Huber, Smalian, Newton, JAS, Doyle, Scribner) • Timber, lumber, firewood measurement • Diameter, length, trim input • Unit conversion (cm, m, in, ft) • Batch calculation • Lot logging — date, location, customer • PDF report export • Offline — works in the field • iCloud sync • 39 languages

UNLOCK WITH PRO • Unlimited lots (free: 5) • All measurement methods • PDF/CSV export • Customer directory • Pricing per m³ • Advanced reports • No ads

PERFECT FOR • Timber merchants • Forest engineers • Sawmill owners • Log buyers • Forestry workers

BUILT NATIVELY FOR iOS • 100% SwiftUI • Swift 5.9, iOS 17+ • Offline • iCloud • VoiceOver-tested

QUESTIONS Q: Which methods? A: Huber, Smalian, Newton, JAS, Doyle, Scribner.

Q: Offline? A: Yes.

Q: Cancel PRO? A: First 5 lots stay.

THE PRIVACY PROMISE No accounts. No analytics. No ads.

Subscription Pricing & Terms

Features require a subscription. Pricing and terms available in-app. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Payment will be charged to your Apple ID account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. Manage or cancel your subscription and free-trial conversion in Settings > Apple ID after purchase. Any unused portion of the free-trial period will be forfeited when you purchase a subscription.