U-Shaped Staircase Calculator (180 degree turn, Half turn)

U-Shaped Staircase Calculator (180 degree turn, Half turn)

Advanced and user-friendly U-shaped staircase dimensions calculator — Get all sizes stairs, parts drawings, 3D-project and the amount of materials for FREE.

All calculators
Also see
Display
DU
CL
Staircase Type
LF
RG
Stairs Dimensions, Stairwell
Y
X
Z
LDW
MDS
Calculate Total Run Along:
FTP
FBT
Steps
QT
11
QB
9
SW
SF
SP
Stringers
T
WI
Support Joist
JT
JW
Risers
H
HT
Support Posts
SB
Upper Floor Slab
ST
Balustrade
RH
BA
RT
RW
Wall
WT
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: 30.32 °
  • Comfortable Staircase Formula (R + G): 42.79 cm
  • Blondel's Formula (2R + G): 58.58 cm
  • Rise: 15.79 cm
  • Tread Depth: 34.5 cm
  • Going (Run): 27 cm
  • Number of Steps: 17 pcs.
  • Staircase Width: 100 cm
  • Minimum Throat Depth: 16.37 cm
Materials for construction
Lower Stringers
  • Width: 30 cm
  • Length: 216.93 cm
  • Thickness: 6 cm
  • Quantity: 2 pcs.
  • Wood Volume: 0.078 m3
Upper Stringers
  • Width: 30 cm
  • Length: 322.35 cm
  • Thickness: 6 cm
  • Quantity: 2 pcs.
  • Wood Volume: 0.116 m3
Straight Steps
  • Tread Depth: 34.5 cm
  • Length: 100 cm
  • Thickness: 4 cm
  • Quantity: 17 pcs.
  • Wood Volume: 0.235 m3
Risers
  • Width: 11.79 cm
  • Length: 100 cm
  • Thickness: 2.5 cm
  • Quantity: 18 pcs.
  • Wood Volume: 0.053 m3
Landing
  • Width: 107.5 cm
  • Length: 200 cm
  • Thickness: 4 cm
  • Quantity: 1 pcs.
  • Wood Volume: 0.086 m3
Balustrade
  • Handrail Width: 8 cm
  • Handrail Thickness: 4 cm
  • Handrail Length: 554.6 cm
  • Wood Volume: 0.018 m3
Balusters
  • Width: 5 cm
  • Length: 86.83 cm
  • Quantity: 18 pcs.
  • Wood Volume: 0.039 m3
Newel Posts
  • Width: 8 cm
  • Length: 105.79 cm
  • Quantity: 2 pcs.
  • Wood Volume: 0.014 m3
Support Posts
  • Width: 10 cm
  • Length: 122.32 cm
  • Quantity: 8 pcs.
  • Wood Volume: 0.098 m3
Landing Joists
  • Width: 15 cm
  • Total Length: 1000 cm
  • Thickness: 5 cm
  • Quantity: 7 pcs.
  • Wood Volume: 0.075 m3
Initial parameters
Display
  • Units: cm
  • Drawing Color: color
Stairs Dimensions, Stairwell
  • Total Rise: 300 cm
  • Total Run: 370 cm
  • Stair Width: 100 cm
  • Stair Landing Depth: 100 cm
  • Distance between Stair Flights: 0 cm
Calculate Total Run Along:
  • Upper Stair Flight:  selected
Steps
  • Quantity (Upper Flight): 10 pcs.
  • Quantity (Lower Flight): 8 pcs.
  • Thickness: 4 cm
  • Nosing (Tread Overlap): 5 cm
Stringers
  • Thickness: 6 cm
  • Width: 30 cm
Support Joist
  • Thickness: 5 cm
  • Width: 15 cm
Risers
  • Thickness: 2.5 cm
Support Posts
  • Width: 10 cm
Upper Floor Slab
  • 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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