Stairs Calculators
Step layout and stringer dimensions — rise, run, and the cuts.
- Stair CalculatorEnter the total floor-to-floor height and this lays out the staircase: the number of steps, the exact riser height, the run it takes up, and the stringer length.
- Stair Stringer CalculatorA stringer is the notched board that carries the treads. Enter the step count, riser height, and tread run and this gives the board length to cut and the number of notches to mark.