Service Forester's Toolkit
Timber cruise & log scale
Free · Designed for iPad. Not verified for macOS.
Run a timber cruise, scale a log, and look up any handbook table from the field, no signal needed. The everyday forestry calculations and the handbook, together.
The Service Forester's Handbook and the everyday field calculations, together in one app that works with no signal. Run a timber cruise, scale a log, look up a volume table, or check a site index curve from the truck or the back forty.
Built for service foresters, consulting foresters, loggers, forestry students, and landowners who need a quick, dependable answer in the field.
CRUISE AND MEASURE
- Timber cruise by prism (BAF) or fixed-radius plot, with per-acre stand estimates, including per-acre board feet (Doyle), that update as you tally.
- Basal area, trees per acre, and tree spacing.
TREES AND LOGS
- Stem volume in cubic feet, plus diameter or height at any point on the stem, from DBH, total height, and form class.
- Board-foot (MBF) log rules: Doyle, Scribner, and International 1/4-inch.
SITE, SOIL, AND MORE
- Site index curves by species and region.
- Soil texture from the USDA texture triangle.
- Surveying corrections, unit conversions, and forestry financial tools.
THE HANDBOOK, OFFLINE
- The Service Forester's Handbook reference on your device: its tables, curves, and charts, including cordwood, stocking, and log-grade tables.
- Values are drawn from the USDA Service Forester's Handbook.
BUILT FOR THE FIELD
- Field-Bright mode for a high-contrast screen in direct sun.
- Switch between imperial and metric units.
- Adjustable text size and one-tap favorites for the pages and tools you use most.
PRIVATE BY DEFAULT
- No account, no ads, no tracking, and no internet connection required. Nothing leaves your device. Service Forester's Toolkit is published by the University of Georgia and Southern Regional Extension Forestry.
New look! We've updated our App Store screenshots and description to better showcase our features.
The developer, Wiliam Hubbard, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Wiliam Hubbard
- Size
- 27.6 MB
- Category
- Reference
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Southern Regional Extension Forestry, University of Georgia