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Lloyd’s Register Verification Certificate number: 0038-CPR-LTQ6020618

Lloyd’s Register Verification Certificate number:
0038-CPR-LTQ6020618

Straight flight staircases

The ratio of height to length of stairsSlope (˚)Step height (mm)Step width (mm)
0,5860˚240 160
0,6557˚230-240 160
0,7055˚230 200
0,7852˚220-230 200
0,8450˚220 200
0,9347˚210-220 230
145˚210 230
1,1142˚200-210 260
1,1940˚200 260
1,3337˚190 260
1,4335˚180-190 300
1,6032˚175 300
1,7330˚170 300

For easy climbing the stairs slope is 30 ˚ – 45 ˚.

The required width and height of the step is determined by the table below.

Example: projection of the stairs L = 3000 mm, height of the stairs H = 2000 mm

L/H=3000/2300=1,3 => 37˚