Concrete Calculator
Estimate how much concrete you need for slabs, footings, and columns. Results are for planning purposes only. Confirm final quantity before ordering.
Flat concrete surfaces such as driveways, patios, sidewalks, and garage floors.
Concrete placed below grade to support walls, foundations, and other structures.
Vertical supports such as deck footings, round piers, and structural supports.
Estimated Quantity
Most concrete projects require an additional 4% to 10% over the calculated volume to account for normal jobsite conditions such as uneven grade, form variations, and minor spillage.
Concrete Calculator FAQs
How do I calculate how much concrete I need?
Use length, width, and thickness to calculate the volume of concrete needed for your project. Our concrete calculator helps estimate this amount for slabs, footings, and round piers in cubic yards.
Can I order small amounts of concrete?
Short load and COD options may be available depending on location and project needs. Call Dispatch to discuss your project and delivery options.
What is a cubic yard of concrete?
A cubic yard is the standard unit used to order ready mix concrete. One cubic yard equals 27 cubic feet.
How do I place an order?
Call Dispatch to confirm your quantity, discuss your project details, and schedule delivery.
What areas does Kienstra Illinois serve?
Kienstra Illinois serves projects across Metro East Illinois, including Madison, St. Clair, Jersey, and Macoupin counties, with multiple plant locations to support timely delivery.
Call dispatch to discuss your project or request a quote online.