bepsf Unless your house has the exact same ceiling height, floor thickness and opening - The dimensions of these stairs are irrelevant.
The 1996 Council of American Building Officials (CABO) and the 2000 International Code Council recommendations call for unit runs to be not less than 10 inches and unit rises not more than 7¾ inches - but Architects and staircase builders work with these guidelines, the space they have and within applicable building codes to create comfortable stairs to fit each individual home.
TEA2 Architects The user above is correct. In this instance, the treads are 11.5 inches deep and the risers are 7.25 inches tall in response to the existing floor heights and the overall run of the stairs.
The 1996 Council of American Building Officials (CABO) and the 2000 International Code Council recommendations call for unit runs to be not less than 10 inches and unit rises not more than 7¾ inches - but Architects and staircase builders work with these guidelines, the space they have and within applicable building codes to create comfortable stairs to fit each individual home.