(RISE: the height of one stair
in a staircase. This is the amount of vertical distance one moves when
stepping from one stair onto the next. The rise should be between 5" and 7¾" with the ideal rise for a residence being
and the run:
(RUN: the horizontal distance of one
stair. It is how far in, the stair goes which gives the
amount of room for a persons foot. The run should be between 8¼" and 14". An intermediate run
is 11". The stair tread is the RUN plus the nosing. Per most Building
Codes, the tread should be between 9¼" and 14". An intermediate tread is
of each step and the length of the boards needed for the stair stringers.
Numbers can be entered with a decimal or
fraction (i.e. 8.0625 or 8 1/16).
Measure the 'total rise' (from the
surface of the upper floor to the surface of the lower floor).
Enter this amount into Total Rise
and set calculator for either inches or centimeters.
Select a common rise-run combination from
Simple or enter your own in Custom.
Press the Calculate
button and read the results in Exact Measurements
To print this page, go to the File menu at the top of the window.
Then click on Print.