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Stair Calculator
Number of steps, riser height, stringer length, and material counts
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Stair Dimensions
Floor-to-floor height
Code: 4"–8.25"
Code min: 10"
$
Results
Number of steps
15
Actual riser height
7.200"
Total run
12.25 ft
Stringer length
15.20 ft
Stringers needed
3
Treads needed
14
Risers needed
15
Estimated tread cost
$210
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