Concrete for a 10×10 Slab — How Much Do You Need?
A 10×10 slab at 4 inches thick is one of the most common concrete projects for homeowners. Whether you are building a small patio, a shed base, or a hot tub pad, this size requires approximately 33.3 cubic feet (1.23 cubic yards) of concrete before waste factor. With a 10% waste factor, plan for about 36.7 cubic feet total.
Quick Answer
Project Type
slab
Quantity
1
Includes Waste
10% factor
Use the full calculator below for custom dimensions, multiple zones, cost estimates, and to adjust the waste factor.
Concrete Calculator
Select your project type, enter dimensions, and get instant results with bag counts, weight, and cost.
Zone 1
Results
Total Volume
0.00 cu ft
0.00 cu yd
60 lb Bags
0
80 lb Bags
0
Total Weight
0 lbs
(0.00 tons)
💡 Ready-Mix Recommended
At 1+ cubic yard, truck delivery ($125–$175/yd) is usually cheaper and easier than mixing bags by hand.
Reinforcement Estimate
Cost Estimate
🛒 Shopping List
| freeconcretecalc.com · CALCULATION RECEIPT |
| Zone | Type | Dimensions | Qty | Volume (cu ft) |
|---|
Total Volume — | Cubic Yards — | Total Weight — |
60 lb Bags — | 80 lb Bags — | Est. Cost — |