How to Use:

1. Total Rise (mm): Enter the vertical height from the bottom to the top of the stairs in millimeters.
2. Total Run (mm): Enter the approximate horizontal length from the start to the end of the stairs in millimeters.
3. Tread Depth (mm): Enter the depth of one tread in millimeters.
4. Riser Height (mm): Enter the approximate height of one riser in millimeters.

Results Displayed:

• Number of Risers
• Actual Riser Height
• Number of Treads
• Actual Tread Depth
• Total Run
• Total Rise
• Each Rise Calculation with Cumulative Rise



Legal Step Warning:

If the riser height exceeds 190mm, a pop-up warning will alert the user that the rise is not legal. This version will display the cumulative rise for each step.

Disclaimer

This calculator is for informational purposes only. While we strive for accuracy, the results provided should not be used as the sole basis for your construction decisions. Always consult a professional builder or engineer to ensure compliance with local building codes and regulations. Aries Builders is not responsible for any errors or discrepancies in the calculations.