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All Shapes of Stairs – Stairs Calculator

Free online stair design calculator with drawings and 3D — use our tool to determine staircase parameters: rise and tread, total run, angle, steps height, etc.

All calculators

Please select a stair shape/specific and click on the relevant icon to start designing a staircase:

Straight Open Stringer Stair
Straight Open Stringer Stair
Straight Closed Stringer Stair
Straight Closed Stringer Stair
Straight Zig Zag Stair
Straight Zig Zag Stair
Straight Concrete Stair
Straight Concrete Stair
L-Shaped Stair with Landing
L-Shaped Stair with Landing
L-Shaped Stair with Winders
L-Shaped Stair with Winders
L-Shaped Stair, Two Winders
L-Shaped Stair, Two Winders
L-Shaped Stair, Three Winders
L-Shaped Stair, Three Winders
L-Shaped Stair, Four Winders
L-Shaped Stair, Four Winders
L-Shaped Stair, AUTO Winders
L-Shaped Stair, AUTO Winders
L-Shaped Mono Stringer Stair with Winders
L-Shaped Mono Stringer Stair with Winders
U-Shaped Stair with Landing
U-Shaped Stair with Landing
U-Shaped Stair with Winders
U-Shaped Stair with Winders
U-Shaped Stair, Four Winders
U-Shaped Stair, Four Winders
U-Shaped Stair, Six Winders
U-Shaped Stair, Six Winders
U-Shaped Stair, Eight Winders
U-Shaped Stair, Eight Winders
U-Shaped Stair, AUTO Winders
U-Shaped Stair, AUTO Winders
U-Shaped Mono Stringer Stair with Winders
U-Shaped Mono Stringer Stair with Winders
U-Shaped Stair with Double Landing
U-Shaped Stair with Double Landing
U-Shaped Stair with Double Winders
U-Shaped Stair with Double Winders
U-Shaped Stair, Four Winders (Double)
U-Shaped Stair, Four Winders (Double)
U-Shaped Stair, Six Winders (Double)
U-Shaped Stair, Six Winders (Double)
U-Shaped Stair, Eight Winders (Double)
U-Shaped Stair, Eight Winders (Double)
U-Shaped Stair, AUTO Winders (Double)
U-Shaped Stair, AUTO Winders (Double)
U-Shaped Mono Stringer Stair with Double Winders
U-Shaped Mono Stringer Stair with Double Winders
Wooden Spiral Stair
Wooden Spiral Stair
Metal Spiral Stair
Metal Spiral Stair
Concrete Spiral Stair
Concrete Spiral Stair
Circular Stair
Circular Stair
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