This is a simple Stair calculator, to calculate from garage steps to second floor steps and tall decks.it gives you the STAIR length from 9", 10" and 11" RUNit gives you the STEP height according the specifications from the county between 6-1/2" and 8" You can use feet and inches and the result would be feet and inches, no more decimal results, and also add and subtract feet and inchesCALCULATOR working very nice.Leave a comment or suggestion.PLEASE COMMENT!!!