ConcreteBag

How Many Bags of Concrete for a 10x16 Shed Base?

16 ft (W)10 ft (L)4 in (T)

A 10x16 slab at 4" needs 98 bags of 80 lb concrete.

98bags

80 lb bags · estimated $684.04 at $6.98/bag

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Estimated cost: ~$684.04 (98 × $6.98/bag, Spring 2026 pricing)

Quick presets

Bag size

Multi-bag comparison

Bag sizeBagsPrice/bagTotal
80 lbBest value98$6.98$684.04
60 lb131$5.98$783.38
40 lb196$4.98$976.08

Prices are spring 2026 estimates. Above ~60 bags, price a ready-mix truck too — it is often cheaper.

Material list

  • 98 × 80 lb concrete mix bags $684.04 @ $6.98/bag (Spring 2026)Home Depot ↗Lowe's ↗
  • Wheelbarrow or mixing tub
  • Mixing hoe or drill paddle
  • Margin trowel or float
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98 bags(80 lb)
$684.04
Buy at Home Depot

How this is calculated

We convert your dimensions to cubic feet, add a 10% waste buffer for spillage and an uneven subgrade, then divide by the bag's yield and round up to the next full bag.

FAQ

How many bags of concrete for a 10x16 shed base?

A 10x16 shed base at 4 inches needs about 98 bags of 80 lb or 131 bags of 60 lb concrete, including a 10% waste allowance.

How much does a 10x16 concrete shed base cost?

About $684 in 80 lb bags at current prices. Above ~60 bags, a ready-mix truck is often cheaper — the page shows both.

How many cubic feet of concrete is a 10x16 slab at 4 inches?

About 53.3 cubic feet, or 58.7 cubic feet once the 10% waste buffer is added.