Spike's Calculators

Calculate the height of a riser based on the total rise of the stairs and the number of risers you need.

Quickly calculate what height of stair risers will work best for you.

- enter the total rise in feet or inches
- number of risers you wish to calculate for (option one)
- number of risers you wish to calculate for (option two)

- the total rise in decimal feet
- the total rise in inches
- riser height for option one
- riser height for option two

Re-calculate the above result by multiplying the height of one riser by the number of risers needed.

- the height of one riser
- number of risers

- the total rise in inches

- Angle of the Stairs
- Stair Riser Height
- Rough Framing, Stairs Material Plus Cost
- Number of Stair Risers Based on Building Code
- Number of Stair Risers Based on Building Code (Metric)
- Stair Design Calculator
- Stair Slope in Degrees and Rise and Run Relationships
- Stair Well Floor Opening Size
- Stringer Length Calculator