Calculation of staircase with 180 degrees turn, landings and three flights — Construction calculators online

Calculation of staircase with 180 degrees turn, landings and three flights

Specify sizes
Map
DU
cm
CL
color
The option of the stairs
LF
RG
Span
Y
X
Z
Stage
QT
6
QM
5
QB
6
SW
SF
SP
Common for stringers
T
WI
Beam stiffness
JT
JW
Risers
H
HT
Reference Stobie
SB
Slab
ST
Handrails
RH
BA
RT
RW
Wall
ST
Error calculationPlease check your input
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Calculation results

Ladder
  • Angle: 30.5 °
  • The height of the steps: 16.7 mm
  • The depth of the steps: 28.3 mm
  • The number of steps: 15 pcs.
  • Width: 100 mm
  • Min. W. stringer: 15.6 mm

Materials of construction

Bottom stringer
  • Width: 30 mm
  • Length: 162.3 mm
  • Thick: 6 mm
  • Number: 2 pcs.
  • Объём: 0.058 m3
Intermediate stringer
  • Width: 30 mm
  • Length: 140.7 mm
  • Thick: 6 mm
  • Number: 2 pcs.
  • Объём: 0.051 m3
Top stringer
  • Width: 30 mm
  • Length: 206.4 mm
  • Thick: 6 mm
  • Number: 2 pcs.
  • Объём: 0.074 m3
Step
  • Width: 35.8 mm
  • Length: 100 mm
  • Thickness: 4 mm
  • Number: 15 pcs.
  • The volume: 0.215 m3
Risers
  • Width: 12.7 mm
  • Length: 100 mm
  • Thick: 2.5 mm
  • Number: 17 pcs.
  • Объем: 0.054 m3
Swivel ground (bottom)
  • Width: 100 mm
  • Length: 107.5 mm
  • Thickness: 4 mm
  • Number: 1 pcs.
  • The volume: 0.043 m3
Rotary Playground (top)
  • Width: 100 mm
  • Length: 107.5 mm
  • Thickness: 4 mm
  • Number: 1 pcs.
  • The volume: 0.043 m3
Handrails
  • Width: 8 mm
  • Thickness: 4 mm
  • Length: 525.5 mm
  • The volume: 0.017 m3
Balusters
  • Side section: 5 mm
  • Length: 86.8 mm
  • Number: 16 pcs.
  • The volume: 0.035 m3
Baluster turning
  • Side section: 8 mm
  • Length: 106.7 mm
  • Number: 2 pcs.
  • The volume: 0.014 m3
Supporting columns of the bottom landing
  • Side section: 10 mm
  • Length: 96 mm
  • Number: 4 pcs.
  • The volume: 0.038 m3
Pillars top platform
  • Side section: 10 mm
  • Length: 179.3 mm
  • Number: 4 pcs.
  • The volume: 0.072 m3
The beam stiffness of the lower rotary platform
  • Width: 15 mm
  • Length: 100 mm
  • Thickness: 5 mm
  • Number: 5 pcs.
  • The volume: 0.037 m3
The beam stiffness of the upper rotary platform
  • Width: 15 mm
  • Length: 100 mm
  • Thickness: 5 mm
  • Number: 5 pcs.
  • The volume: 0.037 m3

Specified dimensions

Map
  • Units: 1 mm
  • Color drawing: 1 mm
Span
  • clearance: 300 mm
  • span Length: 270 mm
  • Width of stairs: 100 mm
Stage
  • Number of top: 5 pcs.
  • The number of intermediate: 4 mm
  • Number lower: 5 pcs.
  • Thick: 4 mm
  • edge guide: 5 mm
Common for stringers
  • Thick: 6 mm
  • Width: 30 mm
Beam stiffness
  • Thickness: 5 mm
  • Width: 15 mm
Risers
  • Thick: 2.5 mm
Reference Stobie
  • Side section: 10 mm
Slab
  • Thickness: 20 mm
Handrails
  • Height: 90 mm
  • Side section balusters: 5 mm
  • The thickness of the handrail: 4 mm
  • The width of the handrail: 8 mm
Wall
  • Thickness: 20 mm
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Help

Online calculator calculates U-shaped stairs with 180 degrees turn, three flights and landing. Determines the angle of the stairs, the sizes of steps, run and rise, material consumption, creates all necessary drawings and 3D model of the staircase.

All you need to do is enter the initial dimensions and start the calculation. Within a few seconds you will receive the calculation results for your future 180 degrees turn staircase with landings and three flights.

The program will do all the work for you, save a lot of your time!

 

Calculation of 180 degrees turn wooden stairs with three flights and landing?

Simply enter the initial dimensions of your future staircase. You need to measure some dimenions , and some of them you can choose from optimum dimensional ranges for the convenience and safety of the stairs:

Option feature Optimal 
The staircase angle29 - 35 degrees
Riser height15 - 17 cm / 7 3/4″ max
The tread depth27 - 30 cm / min 10 inches, 254 mm
The tread thickness4 - 5 cm
The riser thickness2.5 - 3 cm
The stringer thickness 5 - 7 cm
Stairways width94 - 110 cm / min 36 inches
The number of steps per flightfrom 3 to 18
The width of the overhang of a tread (nosings)3 cm/ between 19 mm and 32 mm
The height of handrails90 cm
The headroomnot less than 203 cm / 6 feet 8 inches

 

You need to measure the height and length of the future of the U-shaped staircase with three flights. Height is measured from the clean floor of the top floor ceiling of the lower floor, between which it is planned to build three-flight staircase.

Changing the source data - for example, the number of stages, you will be able to pick the perfect design stairs for your home.

I advise you to choose for each flight of stairs an odd number of steps to make the stairs easier to climb and descend.

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