Concrete Pad Calculator
Estimate concrete volume, full bags, surface area, perimeter, placed weight and cost for one or more rectangular equipment or utility pads.
Default project preview
1.96 yd³
Concrete bags
88
Base volume
1.78 yd³
Pad surface area
144 ft²
Form perimeter
48 ft
Calculator
Build the material order
Your order will appear here
Enter the project details and calculate a rounded material estimate.
Methodology
Transparent calculation
BuildMeter converts every input to a consistent internal unit, applies the selected allowance, and rounds products up to whole purchasable units.
Volume = pad length × width × thickness × quantity. The allowance is applied before converting to ready-mix volume and rounding bag quantity up.
FAQ
Concrete Pad Calculator questions
Should compacted gravel be included in the thickness?+
No. Enter only the concrete thickness and estimate the granular base separately.
Can this size an equipment foundation?+
No. Equipment loads, vibration, anchors and soil conditions require an engineered foundation design.
Why are bags rounded up?+
Concrete is purchased in full bags, so a partial calculated bag becomes one complete bag.