6×16 Concrete Slab (6 inches): Yards, Feet & Bags
This 6 ft x 16 ft concrete slab, 6 inches thick, is perfect for a shed base or an AC pad. Consider access for delivery and whether to use bags or ready-mix.
Choose Your Calculator
Slab Calculator
Enter any custom length, width, and thickness to get cubic yards and bag counts.
Open Slab CalculatorBag Calculator
Choose 40/60/80 lb bag sizes and estimate counts for your exact volume.
Open Bag CalculatorWant other sizes? Browse all slab size pages
Quick Answer
Tip: Always confirm the yield printed on your bag label. Bag yield guide
Project Notes (Unique)
Check yield on the label and round to 0.25 yd³ for your order to ensure you have enough material.
Ensure your base is well-prepared and forms are sturdy to prevent issues with thickened edges.
Achieve a smooth finish and allow the concrete to cure properly in a shaded area, keeping it moist as needed.
How to Estimate This Slab in 3 Steps
Measure
Length 6 ft, width 16 ft, thickness 6 in.
Compute Volume
Area: 96 sq ft → volume: 48.0 ft³ → 1.78 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 should I consider when deciding between bags and ready-mix?
Consider your project size and delivery access; ready-mix is convenient for larger areas, while bags may be easier for small projects.
How much extra material should I order for waste?
It's wise to factor in a little extra to cover spills or miscalculations, ensuring you have enough for the entire slab.
What is the best way to prepare the base for my slab?
Excavate the area to a stable, level surface and compact the soil to prevent settling after pouring.
How thick should my concrete slab be for a shed base?
A thickness of around inches is generally suitable for supporting a shed, providing durability against weight.
Related Slab Sizes
Ready to Calculate Your Project?
Get instant estimates for cubic yards, cubic feet, and bag counts. No signup required.