About this calculator

Cork oak is first stripped at age 25 ('desbóia'), then every 9 yrs. Mature trees yield ~30–50 kg/strip; only the third strip ('amadia') makes premium stoppers. Wholesale: €1.50–4/kg.

Frequently asked questions

What does the Cork Oak (Quercus suber) Extraction do?

Kilos of cork bark and revenue from a Portuguese montado / Spanish dehesa. Cork oak is first stripped at age 25 ('desbóia'), then every 9 yrs. Mature trees yield ~30–50 kg/strip; only the third strip ('amadia') makes premium stoppers. Wholesale: €1.50–4/kg.

Is the Cork Oak (Quercus suber) Extraction free to use?

Yes. Every calculator on Calcurly.com is free, works in your browser without sign-up, and can be embedded on your own website.

How accurate is the Cork Oak (Quercus suber) Extraction?

Results are calculated in real time using industry-standard formulas. Treat the output as a well-informed estimate — always cross-check with local regulations, product datasheets, or a qualified cork oak harvest professional before committing to a purchase or a job.

What inputs does the Cork Oak (Quercus suber) Extraction need?

Enter values for: Mature trees, Avg yield/tree (kg), €/kg. Sensible defaults are pre-filled where possible so you can start with a single change.

Can I embed the Cork Oak (Quercus suber) Extraction on my own website?

Yes — copy the iframe snippet at the bottom of this page, or use the Embed Generator to customise the size. The embedded version stays in sync with the live calculator on Calcurly.com.