Concrete Steps Calculator

Calculate the exact volume of concrete needed to pour outdoor stairs or entryway steps.

Number of Steps 4 Steps

3 Steps 4 Steps 6 Steps 10 Steps

Step Width (in) 48 in (4 ft)

Tread Depth (in)

Riser Height (in)

Concrete Volume

0.36 cu yd

~ 17 Premix Bags (80 lb)

Cubic Feet

9.72 cu ft

Est. Weight

~ 1,390 lbs

Concrete Tools

Masonry

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Frequently Asked Questions

Understanding concrete stair calculations.

Concrete stair volume is calculated by summing the rectangular prisms of each step: Step 1 (Width x Tread x Riser) + Step 2 (Width x 2*Tread x Riser) ... up to N steps.

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