Circular Staircase Calculator

Try professional circular (curved) staircase calculator - quality tools for 3D design, creating plans and estimates. It's user-friendly, easy and FREE.

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Click on the tab to select the staircase type
Display
DU
CL
Staircase Type
LF
RG
Staircase Dimensions
Y
D
ID
RA
Steps
Q
18
SW
SF
Error calculationPlease check your input
the Calculator will be available after changes in the relevant parameters.
Click "Calculate" to open the options window.
Choose Drawing:
Distance: 0
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How to Calculate Circular Curved Stair?

  • Step 1. Choose the measurement units, DU — mm, cm, m, inches, feet.
  • Step 2. Choose the drawing color, CL — monochrome, color.
  • Step 3. Choose the staircase type — left turn, LF, right turn, RG.
  • Step 4. Input the stair, stairwell dimensions — total rise, Y*, staircase diameter, D**, staircase internal diameter, ID, rotation angle, RA.
    * from the 1nd floor level to the 2nd floor level
    * total rise = stairwell height (if top step is on the 2nd floor level)
    ** staircase diameter = stairwell diameter
  • Step 5. Input the steps parameters — quantity, Q, thickness, SW.
  • Step 6. Please check all entered values, click the «Calculate» button and get a Circular Staircase design.
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