This stair tread dimension calculator helps you to measure stair treads accurately. I make this tool for your convenience, and time saving. You Just enter the values, select the unit, and click “Calculate” to get the results. Then this tool give you a satisfying result, In below I also mention about the usage of this calculator step by step.

Stair Tread Dimension Calculator
Steps to Use:
- Choose a unit Feet & Inches, Millimeters (mm), or Centimeters (cm).
- Enter the dimensions:
- Tread Depth: How deep each step is.
- Tread Width: How wide the step is from side to side.
- Tread Thickness: The thickness of the stair material.
- Click “Calculate” The tool will show the results in different units for easy reference.
Example Calculation:
If you enter these values in Feet & Inches mode:
- Depth: 10 inches
- Width: 36 inches
- Thickness: 1 inch
The results will also show:
- Depth: 10 inches (25.4 cm)
- Width: 36 inches (91.44 cm)
- Thickness: 1 inch (2.54 cm)
Notes:
- Make sure to enter only numbers.
- You can switch units anytime and recalculate.
- Useful for DIY and professional stair projects.