6×16 Concrete Slab (4 inches): Yards, Feet & Bags
This 6 ft x 16 ft concrete slab is perfect for a shed base or small patio section. Decide between bags or ready-mix based on your access and project size.
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Quick Answer
Tip: Always confirm the yield printed on your bag label. Bag yield guide
Project Notes (Unique)
Round to 0.25 yd³ when ordering and check yield on the label to ensure you have enough material.
Ensure your base is well-prepared and forms are secure to avoid issues with thickened edges and unit conversion.
Aim for a smooth finish and allow the slab to cure gradually for optimal strength.
How to Estimate This Slab in 3 Steps
Measure
Length 6 ft, width 16 ft, thickness 4 in.
Compute Volume
Area: 96 sq ft → volume: 32.0 ft³ → 1.19 yd³.
Add Waste
Add a small buffer for spillage and uneven subgrade, then round up when ordering.
Planning Notes
Common uses: shed base, ac pad, small patio section.
For more context and conversions, see the Concrete Calculator hub.
Frequently Asked Questions
What’s the best option: bags or ready-mix?
The choice depends on your project size, access to the site, and how much time you have for mixing.
How much extra material should I order?
It's wise to order a bit more than calculated to accommodate for spills and uneven ground.
How do I prepare the base for my slab?
A solid, level base is crucial; clear debris and compact the ground before setting your forms.
What thickness should I choose for my slab?
A thickness of inches is generally suitable for light structures, but consider your specific use case for added durability.
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