Concrete Volume Calculator
Construction & Home ImprovementCalculate the cubic yards of concrete needed for a slab based on length, width, and depth.
Concrete Needed
Cubic yards of concrete needed for this slab.
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Construction & Home Improvement calculators
Calculator Stats
Creators
Odeh Ahwal0people find this calculator helpful
Views
Helpful
Saved
Embeds
Construction & Home Improvement calculators
Frequently Asked Questions
Why is depth measured in inches but the result in cubic yards?
Concrete slab depth is conventionally specified in inches since it's usually a small number (typically 4-6 inches for residential slabs), while volume is sold and measured in cubic yards — this calculator converts between the two automatically.
Should I order extra concrete beyond the calculated amount?
Yes — most contractors order 5-10% extra to account for spillage, uneven subgrade, and minor measurement variance, since running short mid-pour creates a serious problem with a curing slab.
What depth is typical for different concrete projects?
Common depths include 4 inches for standard patios and walkways, 5-6 inches for driveways, and varying depths for structural footings based on engineering requirements — check local building codes for your specific project.
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