Free planning tools

Stair calculators: choose your staircase layout

Each stair calculator opens the matching editor mode and lists the measurements to take, the results you get, and the limits to check.

Straight stair calculator with live plans

Free straight stair calculator: enter floor height and available run, then check riser height, going, pitch, and headroom on live plans.

Quarter-turn stair calculator for L-shaped stairs with two flights and a landing. Check step count, going, pitch, headroom, and turn direction.

Half-turn stair calculator for U-shaped stairs with two parallel flights. Check step split, going, pitch, landing, and headroom on live plans.