Straight Zig Zag Staircase Calculator

The most accurate and reliable calculation of straight stairs on polyline kosoura online using a 3D calculator – professional calculation of metal stairs with drawings.

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Display
DU
CL
Staircase Type
LF
RG
Stairs Dimensions, Stairwell
Y
X
Z
Steps
QS
18
SW
SF
SP
Stringers
STH
STW
Jumpers
BTH
BTW
BAD
Risers
H
HT
Upper Floor Slab
SX
ST
Balustrade
RH
BA
RT
RW
Wall
ST
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
Calculation results
Staircase Dimensions
  • Angle: 32.44 °
  • Comfortable Staircase Formula (R + G): 45.41 cm
  • Blondel's Formula (2R + G): 63.06 cm
  • Rise: 17.65 cm
  • Tread Depth: 33.56 cm
  • Going: 27.76 cm
  • Number of Steps: 16 pcs.
  • Stair Width: 100 cm
Materials for construction
Stringers
  • Tube Height: 6 cm
  • Tube Width: 4 cm
  • Steel Tube Total Length : 1813.11 cm
  • Total Parts: 64 pcs.
Jumpers
  • Height: 4 cm
  • Width: 4 cm
  • Length: 92 cm
  • Quantity: 16 pcs.
  • Jumpers Total Length: 1472 cm
Steps
  • Tread Depth: 33.56 cm
  • Length: 100 cm
  • Thickness: 4 cm
  • Quantity: 16 pcs.
  • Wood Volume: 0.215 m3
Risers
  • Width: 13.65 cm
  • Length: 100 cm
  • Thickness: 1.8 cm
  • Quantity: 16 pcs.
  • Wood Volume: 0.039 m3
Balustrade
  • Handrail Width: 8 cm
  • Handrail Thickness: 4 cm
  • Handrail Length: 542.32 cm
  • Wood Volume: 0.017 m3
Balusters
  • Width: 5 cm
  • Length: 86.85 cm
  • Quantity: 17 pcs.
  • Wood Volume: 0.037 m3
Initial parameters
Staircase Type
  • Left Turn:  selected
Stairs Dimensions, Stairwell
  • Total Rise: 300 cm
  • Total Run: 450 cm
  • Stair Width: 100 cm
Steps
  • Quantity: 16 pcs.
  • Thickness: 4 cm
  • Nosing (Tread Overlap): 4 cm
  • Top Step Below 2nd Floor Level: 1 cm
Stringers
  • Tube Height: 6 cm
  • Tube Width: 4 cm
Jumpers
  • Height: 4 cm
  • Width: 4 cm
Risers
  • Thickness: 1.8 cm
Upper Floor Slab
  • Slab Overlap: 100 cm
  • Thickness: 20 cm
Balustrade
  • Handrail Height: 90 cm
  • Baluster Width: 5 cm
  • Handrail Thickness: 4 cm
  • Handrail Width: 8 cm
Wall
  • Thickness: 20 cm
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How to Calculate Straight Zig-Zag Stringer 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*, total run, X**, stair width, Z***.

* from the 1nd floor level to the 2nd floor level
* total rise = stairwell height (if top step is on the 2nd floor level)
** total run = stairwell length (if upper floor slab non-overlapping staircase)
*** stair width = stairway width

  • Step 5. Input the steps parameters — quantity, QS, thickness, SW, nosing, SF*.

*nosing = tread overlap

  • Step 5.1. Select to install the top step below 2nd floor level or keep it at the 2nd floor level, SP.
  • Step 6. Select to install risers or not, H.
  • Step 6.1. Input the risers parameter — thickness, HT.
  • Step 7. Input the stringers parameters — tube height, STH, tube width, STW.
  • Step 8. Input the jumpers parameters — height, BTH, width, BTW.
  • Step 8.1. Select to install additional jumpers or not, BAD.
  • Step 9. Input the balustrade parameters — baluster width, BA, handrail height, RH, handrail thickness, RT, handrail width, RW.
  • Step 10. Input the upper floor slab parameters* — thickness, ST, overlap, SX.

* required for visualization only

  • Step 11. Input the wall parameter* — thickness, ST.

* required for visualization only

  • Step 12. Please check all entered values, click the «Calculate» button and get a Straight Steel Zigzag Staircase design.

 

Parts of a Straight Etch Stringer Staircase — Drawing

Side View

Straight Etch Stringer Stair

Top View

Straight Stair
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