Free concrete calculator

How many yards of concrete do I need?

Enter slab dimensions and thickness. We give you cubic yards (the unit ready-mix is sold in) plus a buffered order. Always order a little extra — short pours are expensive.

4" for sidewalks/patios; 6" for driveways; 8"+ for heavy load.

Concrete needed

0 cu yd

Order this from your ready-mix supplier.

Slab area
0 sq ft
Cubic feet
0 cu ft
60-lb bags equivalent
0 bags
Order with 10% buffer
0 cu yd

Concrete contractor?

Turn those yards into a priced estimate in ServeHub: the ready-mix and the labour as line items at your prices, from a service catalogue you control — so the quote goes out the same day. Get it signed online, then invoice from the accepted estimate.

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Need saving, scheduling and payments?

ServeHub keeps every estimate and invoice on file, collects signatures, puts the work on the schedule and takes card payments. Unlimited users, nothing to install. 14 days free with a card, then from $20 a month.

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