How to Estimate Concrete
A concrete estimate is a volume calculation plus the costs that surround the pour. Nail the yardage, add a waste factor, and price the labor the pour actually needs.
Get the volume and waste right
Length × width × thickness in feet, divided by 27, gives cubic yards. Add 5–10% for uneven subgrade and spillage — running short mid-pour is far costlier than a little overage. The concrete calculator handles the math and the waste for any shape.
Add what surrounds the pour
Gravel base, forms, rebar or mesh, and the finishing labor (broom, trowel, stamp) are the costs a bare yardage number misses. Finishing in particular scales with the surface and the finish type.
Turn it into a quote
Add your cost per yard and labor rate, attach the customer, and produce a branded, itemized quote. A clear number wins the job — and Trowla builds it from the calculation in a click.
FAQ
How do you estimate a concrete job?
Calculate the volume in cubic yards, add 5–10% waste, then add base, rebar, forms and finishing labor before margin.
How much waste should I add to a concrete order?
Typically 5–10% — more on rough or uneven ground — because running short mid-pour is expensive to fix.