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Stair Tread Calculator
1
Total rise
1,600 mm
Bottom to top of where stair will be located (mm)1,600 mm

Measure from finished floor level at the bottom to finished floor level at the top.

2
Rise per tread
170 mm
Vertical height of each step (mm) — NCC: 150–190 mm170 mm

A rise of 170–180 mm is comfortable for most adults.

3
Depth of tread (going)
265 mm
Horizontal depth of each tread (mm) — NCC: 240–290 mm265 mm

A going of 250–280 mm suits most external stair applications.

4
Stair width
1,000 mm
Overall width of the staircase (mm)900 mm

Widths up to 1,000 mm are included in the standard online price.

Custom width — enquiry required
Your selected width of — exceeds 1,000 mm and cannot be purchased directly online. Continue through the configurator to complete your staircase selections — your order will be submitted as an enquiry and our team will be in touch with definitive pricing.

Australian NCC standard for external stairs: 150–190 mm rise per tread  Â·  Tread going (depth): 240–290 mm

Your staircase summary

Please review your measurements before continuing to the product configurator.

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treads recommended
Total rise (bottom to top) —
Rise per tread —
Depth of tread (going) —
Stair width —
Total footprint —
Your stair width exceeds 1,000 mm. This will be sent as an enquiry rather than a direct online purchase. Our team will be in touch with definitive pricing.