About this calculator

FEI long arena = 1200 m². Surface depth 10–12 cm of silica sand at ~1500 kg/m³, plus 0.5 kg/m² of polyester fibres and optional 1 kg/m² rubber crumb for cushioning.

Frequently asked questions

What does the Dressage Arena Surface (20×60 m) do?

Sand, fibre and rubber tonnage for a 20×60 m FEI dressage arena. FEI long arena = 1200 m². Surface depth 10–12 cm of silica sand at ~1500 kg/m³, plus 0.5 kg/m² of polyester fibres and optional 1 kg/m² rubber crumb for cushioning.

Is the Dressage Arena Surface (20×60 m) 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 Dressage Arena Surface (20×60 m)?

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 dressage arena professional before committing to a purchase or a job.

What inputs does the Dressage Arena Surface (20×60 m) need?

Enter values for: Arena area (m²), Sand depth (cm). Sensible defaults are pre-filled where possible so you can start with a single change.

Can I embed the Dressage Arena Surface (20×60 m) 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.