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Stairs for a 48-inch Rise

A 48" total rise works out to 7 steps at 6.86" each, 6 treads, and 3 stringers about 6.6 ft long. Adjust tread depth and width below.

01 / YOUR MEASUREMENTSUpdate any value
Steps
7 steps
Steps (risers)
76.86" each — max 7¾"
Treads
610.5" run each
Total run
5.3 ft63" horizontal
Stringers
32×12 × 8' — ~16" o.c.
Stringer length
6.6 ftmeasured along the slope
Material cost (est.)
$264lumber + fasteners

Planning estimate. Adjust allowances and sample prices for your supplier; tax, delivery, and labor are not included.

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Want the full guide — tools, step-by-step, common mistakes and FAQ? See the Stair Stringer Calculator.

Other sizes

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