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10×24 Concrete Slab (4 inches): Yards, Feet & Bags

10×24 Concrete Slab (4 inches): Yards, Feet & Bags

A 10 ft x 24 ft concrete slab works well for a patio or gazebo base. Decide between bags or ready-mix based on your access and site conditions.

PatioMedium load

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Slab Calculator

Enter any custom length, width, and thickness to get cubic yards and bag counts.

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Bag Calculator

Choose 40/60/80 lb bag sizes and estimate counts for your exact volume.

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Want other sizes? Browse all slab size pages

Quick Answer

Ready-mix needed
2.96 yd³
80.0 ft³
With ~10% waste
3.26 yd³
88.0 ft³
Bag estimate (varies by yield)
80 lb 134 (147 w/ waste) 60 lb 178 (196 w/ waste) 40 lb 267 (294 w/ waste)

Tip: Always confirm the yield printed on your bag label. Bag yield guide

Large pour: consider ready-mix delivery for speed and consistent results. Bag counts this high can take significant mixing time.

Project Notes (Unique)

Ordering tip:

Round to 0.25 yd³ when ordering; check yield on the label to ensure you have enough material for your project.

Common mistake to avoid:

Ensure your base is well-prepared and forms are level to avoid issues with thickened edges.

Finish & curing:

Apply a finish as desired and keep the slab moist during curing for optimal strength.

How to Estimate This Slab in 3 Steps

1

Measure

Length 10 ft, width 24 ft, thickness 4 in.

2

Compute Volume

Area: 240 sq ft → volume: 80.0 ft³2.96 yd³.

3

Add Waste

Add a small buffer for spillage and uneven subgrade, then round up when ordering.

Planning Notes

Common uses: patio, gazebo base, walkway section.

For more context and conversions, see the Concrete Calculator hub.

Frequently Asked Questions

What should I consider when choosing between bags and ready-mix concrete?

Consider your project's scale and access for delivery; ready-mix is often more efficient for larger areas.

How much extra material should I account for in my project?

It's wise to include a buffer for waste, especially with intricate shapes or uneven ground.

What is the best way to prepare the base for my concrete slab?

Ensure the base is compacted, level, and free of debris to support the slab effectively.

How thick should my concrete slab be for a patio or gazebo?

A thickness of four inches is generally suitable for moderate loads, but consider your specific use case.

Related Slab Sizes

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Disclaimer: Estimates only. Verify measurements, thickness, site conditions, and bag yield with your supplier. For structural work, consult a professional.

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