
Kübaj+: m³ Calc & PDF Quote
Timber, Concrete, Truck Load
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$9.99 Free
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About
Kübaj+ is a professional volume calculator built for lumber dealers, carpenters, truckers, contractors, and excavation crews who work in the field.
FEATURES
5 PROFESSIONAL FORMULAS
- Huber: mid-diameter times length (fastest)
- Smalian: average of both end diameters
- Newton: most accurate (3 readings)
- Doyle log rule (US standard)
- Scribner log rule (US standard)
SECTOR MODES
- Lumber / Furniture
- Concrete (C20/C25/C30 presets)
- Truck Bed
- Excavation
- Furniture
AUTOMATIC WEIGHT
Built-in density library: oak, beech, pine, spruce, concrete, soil, sand, gravel.
PROFESSIONAL PDF QUOTE
Quote, invoice, waybill PDFs with your company logo, IBAN, tax. One-tap WhatsApp send to client.
iCLOUD BACKUP
Calculations, customers, company info auto-sync via iCloud.
10 LANGUAGES
Turkish, English, German, French, Spanish, Italian, Arabic, Russian, Portuguese, Chinese.
PRIVACY FIRST
Your calculations stay on your device and in your own iCloud account - they never reach a server of ours. The free version shows Google AdMob ads; Pro removes them completely.
FOR
- Lumber dealers and mills
- Carpenters and furniture makers
- Contractors and engineers
- Truckers and hauliers
- Excavation crews
- Concrete companies
SUPPORT
karya.poyraz@gmail.com
https://karyaboyraz.stream/kubaj/
PRIVACY
https://karyaboyraz.stream/privacy/kubaj/
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What's New in Kübaj+
1.0.3
August 27, 2026
The density library grew from 18 to 31 materials: • Wood panels: MDF, particle board, plywood - for carpenters and furniture makers • New species: poplar, ash, eucalyptus • Construction: aerated concrete, screed, brick • Excavation: rubble, clay, asphalt, road base One-tap m³ to tonnage conversion now covers many more materials.
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In-App Purchases
$9.99
Kubaj Pro
Unlimited PDF quote and invoice sharing




