What is the size of trade and raise and angle of stairs

Question

Accepted Answer

The size of trade and rise and angle of stairs vary depending on the specific design and regulations.

The size of trade refers to the horizontal distance between two consecutive steps.
The rise is the vertical distance between two consecutive steps.
The angle of stairs is determined by the ratio of rise to trade.
Building codes and regulations provide guidelines for the minimum and maximum values for trade, rise, and angle.
For example, a common trade size is around 11 inches, while the rise can be around 7 inches.
The angle of stairs is typically between 30 to 40 degrees.
The specific dimensions may vary based on the purpose of the stairs, building occupancy, and local regulations.

Accepted Answer

Riser =150 to 200mm  trade. 250 mm to 300 mm angle of stairs is 25° to 40°

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