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Concrete Stairs Calculator

Result

Volume2.772
↗ Construction

Concrete Stairs Calculator Calculate the volume of concrete needed to pour a set of exterior concrete stairs. — free online calculator.

Formula

Volume = Riser × Tread × Width × Step count × (Step count + 1) / 2
  • Concrete Stairs Calculator calculates its result from Riser, Tread, Step count, Width. It uses the formula Calculated with the verified ST Calculator runtime.. Change any input to recalculate the result instantly.
  • The main inputs are Riser, Tread, Step count, Width. Enter them in the units and format shown in the calculator.
  • Keep measurements and project assumptions consistent before comparing or combining values.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Concrete Stairs

Inputs
  • Riser: 0.18
  • Tread: 0.28
  • Step count: 10
  • Width: 1

Using Riser = 0.18, Tread = 0.28, Step count = 10, Width = 1, the calculated result is Volume: 2.772.

Sample result: Calculating…

Frequently asked questions

What does the Concrete Stairs calculate?

Concrete Stairs Calculator Calculate the volume of concrete needed to pour a set of exterior concrete stairs. — free online calculator.

Which values should I enter?

Enter Riser, Tread, Step count, Width using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Volume = Riser × Tread × Width × Step count × (Step count + 1) / 2.

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026