Concrete Step Calculator
Pouring a porch step, entryway steps, or a short flight from a patio to a yard? Enter the rise and run of each step, how many steps there are, and the width — the calculator adds them up as a stack of solid steps and gives you volume, weight, and bag counts.
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Pouring more than one stairs? Give this one a label and add it — the results panel keeps a running grand total.
FAQ
- How is stair volume estimated?
- As a stack of solid rectangular steps, which forms a triangular profile in total. This is a solid-fill estimate — it doesn't subtract space if the stairs are built over an existing slope or fill.
- What's a typical rise and run?
- Most residential exterior steps use a 7 in. rise and 11 in. run, but check local code — comfortable, safe stairs usually keep 2×rise + run close to 24–25 in.
Exact volume
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Estimated weight0 lb / 0 kg
Recommended order (incl. waste)
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Bags needed
Estimated cost$0
Job grand total
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Concrete steps FAQ
- What's a comfortable rise and run for steps?
- Most exterior residential steps use a 7 inch rise and 11 inch run. A common comfort rule keeps 2 × rise + run close to 24–25 inches — check your local building code for exact requirements.
- Does this account for the space under the steps?
- This calculates a solid stack of steps. If your stairs will be built over compacted fill, gravel, or an existing slope rather than poured solid, your actual concrete volume will be lower.