Concrete Stairs Calculator
Plan concrete stair pours with step-by-step volume calculation. Supports any number of steps and custom dimensions.
Frequently Asked Questions
How do you calculate concrete for stairs?
Sum the volume of each step (tread × riser × width) and add the back wall volume.
What is a standard stair riser height?
Residential risers are typically 7–7.75 inches. Treads are 10–11 inches deep.
How much concrete for 5 outdoor steps?
A set of 5 steps at 4 ft wide typically needs 0.75–1.25 cubic yards of concrete.
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