Stair Calculator
tread
riser
total rise
What to measure
Total rise
inch
ft
cm
mm
Finished floor to finished floor. Accepts 9' or 108.
Target riser height
inch
ft
cm
mm
The IRC caps risers at 7 3/4 in.
Tread depth
inch
ft
cm
mm
IRC minimum is 10 in, excluding nosing.
Actual riser height
7 11/16 in
19.594 centimeters
Show the work
Stair Calculator
by Rule Calculator