Agriculture & Forestry
Basal Area per Acre (BA) Forestry Biltmore Stick Factor Sizer
Calculate basal area per acre (ba) forestry biltmore stick factor using the stated engineering or scientific relationship and adjustable field inputs.
Preparing your result…
What this calculator does
Calculates Basal Area per Acre (BA) Forestry Biltmore Stick Factor Sizer using the formula verified against the cited source.
What your result means
An estimate from the inputs you enter, within the scope stated below — not advice.
Formula
Basal area (ft²/acre) = basal area factor (BAF) × total 'in' trees ÷ number of sample points
The step-by-step working for your own numbers appears with the result above and in the PDF report.
Frequently asked questions
Symbols and assumptions
- Inputs
- The values entered in the fields above
- • For equal-weight variable-radius sample points using the same basal-area factor: basal area ft²/acre=BAF ft²/acre per in-tree×total in-trees/number of sample points.
Sources and review
Reviewed 2026-10-18 · Next review 2027-04-18
- • Formula is for prism/angle-gauge point sampling, not a Biltmore-stick factor method. Label number of sample points rather than fixed-area plots. Include zero-tally points, proper borderline-tree and slope/edge rules; stratified/unequal-weight designs need their own estimator. BAF units determine ft²/acre versus m²/ha.
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
Quick reference
| Scenario | Prism / angle-gauge BAF (ft²/acre per tree) | Total 'in' trees over all points (trees) | Number of sample points (include zero-tally points) (points) | Basal area |
|---|---|---|---|---|
| Worked example | 10 | 48 | 5 | 96 ft²/acre |
| Half the amounts | 10 | 24 | 5 | 48 ft²/acre |
| Double the amounts | 10 | 96 | 5 | 192 ft²/acre |
Need the full picture? Get the detailed PDF report with charts, tables, formulas and working steps.
Reviewed 2026-10-18 · Next review 2027-04-18
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