Concrete Depot
Concrete Calculators & Tools

Concrete Floor Cost Calculator

Estimate concrete floor cost, concrete volume, waste, labor, prep, reinforcement, finishing, and a branded report with the same 3D floor diagram.

Cost inputs

Enter floor size and cost rates. Results update live.

Live calculation
Used in the PDF report and saved report.
Switches starter units only.
◆ Recommended: 4 in thick · 3,000–4,000 PSI mix
Enter a length greater than 0.
Enter a width greater than 0.
Standard: 4 in for residential slabs. Enter a thickness greater than 0.
10% is common for normal jobs. Waste cannot be negative.
Ready-mix price per cubic yard. Concrete price cannot be negative.
Use 0 if not needed. Labor cost cannot be negative.
Subbase, grading, and prep. Prep cost cannot be negative.
Wire mesh or rebar allowance. Reinforcement cost cannot be negative.
Finishing or surface work. Finish cost cannot be negative.
Pump, short load, delivery, or permit cost. Fees cannot be negative.
Optional cost buffer. Contingency cannot be negative.

Live 3D floor preview

The same SVG is used in the report.

Length 20 ft
Width 12 ft
Thickness 4 in

Cost dashboard

Cost estimate for the entered floor size and rates.

Estimated total cost
Includes concrete, labor, prep, reinforcement, finish, fees, and contingency.
$0.00
Concrete material$0.00
Labor cost$0.00
Base / prep cost$0.00
Reinforcement cost$0.00
Finish cost$0.00
Delivery / fees$0.00
Contingency$0.00
Cost per sq ft$0.00
Order quantity0.00 cu yd
Base volume0.00 cu yd
Floor area0 sq ft
60 / 80 lb bags0 / 0
This is an estimate. Local concrete, labor, and prep prices can change by project and location.

Formula used

All main measurements are converted to feet before calculation.

Concrete floor cost:

Total cost = Concrete + Labor + Prep + Reinforcement + Finish + Fees + Contingency