Concrete Slab Calculator — Quick & Accurate Online Calculator & Guide
Calculate cubic yards of concrete needed for any slab, driveway, or foundation. Shows cubic yards for ready-mix ordering and equivalent bag counts.
✓ Formula verified: May 2026
Concrete Calculator
Results below
Enter Values
Cubic Yards Needed
1.94 cu yd
Cubic Feet
52.50 cu ft
60-lb Bags Equivalent
117 bags
80-lb Bags Equivalent
88 bags
What if your length changes? 18 ft → 1.75 cu yd · 20 ft → 1.94 cu yd · 22 ft → 2.14 cu yd
Scenario Comparison
Conservative (5%)
$16,470.09
$6,470.09 interest
Your scenario (7%)
$20,096.61
$10,096.61 interest
Aggressive (10%)
$27,070.41
$17,070.41 interest
High-risk (14%)
$40,224.71
$30,224.71 interest
Best return
Share your result
Embed this calculator
Embed Code
Copy and paste this HTML snippet into any web page to embed this calculator directly.
<iframe src="http://127.0.0.1:59362/embed/diy/concrete-slab-calculator?ref=embed" title="Concrete Slab Calculator — Quick & Accurate Online Calculator & Guide" width="100%" style="max-width:600px; border:none; height:500px;" loading="lazy"></iframe>
Direct Link
Share this link to let others open the calculator in their browser.
http://127.0.0.1:59362/embed/diy/concrete-slab-calculator?ref=embed
Powered byTheCalcUniverse
Concrete Volume
Cubic Yards Needed
1.94 cu yd
Cubic Feet
52.50 ft
60-lb Bags
70.20 bags
80-lb Bags
70.40 bags
Related Calculators
Reviews
No reviews yet. Be the first to share your experience with Concrete Slab Calculator — Quick & Accurate Online Calculator & Guide.
Write a Review