Stair Calculator
Precision geometry for safe and comfortable construction.
Stair Specifications
in
The total vertical height your stairs must climb.
in
Standard is ~7.5 inches.
in
Standard is ~10-11 inches.
Carpenter's Pro-Tip
Don't forget to "drop the stringer." Cut the very bottom of the stringer shorter by the thickness of your tread material so the first step height matches all the others.
