Embed

Embed the Spiral Staircase Calculator

Three quick steps — customize the look, choose how it behaves, then copy the code onto your site.

Name

Your reference only — not shown to visitors

Heading

Shown to visitors above the calculator, in every display mode. Leave blank for none.

Subheading

Optional supporting text shown just below the heading.

Theme

Accent / section color

Colors the calculator's own section bars and highlights — the whole calculator's look, not just the results panel.

#FF5C00

Background color

#FFFFFF

Results text color

#0A0C0B

Border radius

12px

Branding

Remove "Powered by Calcupedia"

Available on Creator plan →

Powered-by color

#FF5C00

Powered-by background

#FFFFFF

Already have an account? Sign in

Live preview

Inside Diameter (Center Pole)

1 in48 in

Outside Diameter

24 in240 in

Total Rise

36 in300 in

Total Rotation

deg

90 deg1,080 deg

Maximum Riser Rise

4 in9.5 in

Number of Steps

Number of steps needed to keep each riser at or below the maximum.

Actual Riser Rise

7.200

Exact rise per step once the total rise is divided evenly.

Tread Angle

24.00

Angle of rotation each step covers.

Outer Arc Length per Tread

12.57

Arc length along the outer edge of each tread, the widest usable walking width.

Share result

Reload calculator

Clear inputs

Found this calculator useful?