fall zone calculator

Fall Zone Calculator (EN 1176-3 / ASTM F1487-25)

Enter slide free-fall height and standard region. We return the impact zone, exit run-out, and minimum platform clearance you need to stay inside the standard.

Free-fall height (m)

Standard region

User age group

Impact Area Radius

—

All sides of slide bed

Exit Run-Out

—

Forward of slide exit

Exit Height

—

Above floor surfacing

Surfacing Depth

—

Loose-fill rubber mulch baseline

Calculation references: EN 1176-3:2017 §4.2 (free fall and impact area provisions; max 3 m fall height); ASTM F1487-25 §8.5 (slide exit specifications, 11 in / 28 cm rule for slides under 4 ft / 1.2 m). For final installation, validate with a certified TÜV or IPEMA inspector against your specific layout.

Need help engineering this for your floor plan? →