Concrete Slab Calculator
Calculate concrete needed for patios, walkways, and slabs including material costs
About this calculator
The Concrete Slab Calculator helps you accurately determine the amount of concrete needed for any flat construction project, including patios, driveways, walkways, and foundation slabs. This tool calculates both the cubic yards of concrete required and provides estimated material costs, helping you avoid over-ordering or running short on concrete. Whether you're a DIY homeowner or professional contractor, this calculator ensures precise measurements and budget planning for your concrete projects.
How to use
Enter the length, width, and thickness of your concrete slab in feet and inches. The calculator will instantly compute the cubic yards of concrete needed. Review the material cost estimates based on current concrete prices to plan your budget effectively.
Frequently asked questions
How thick should my concrete slab be?
Most residential patios and walkways require 4 inches thick concrete, while driveways typically need 6 inches for proper durability and weight support.
How much does concrete cost per cubic yard?
Concrete typically costs $100-150 per cubic yard delivered, though prices vary by location, concrete type, and current market conditions.
Should I order extra concrete?
Yes, order 5-10% extra concrete to account for minor measurement variations, spillage, and ensuring you don't run short during the pour.