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Concrete for a 40 × 60 slab

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29.63 yd³

40 × 60 ft (2400 ft²) at 4 in thick, before waste

Concrete for a 40 × 60 slab by thickness

Thicknessyd³yd³ +10%80 lb bags60 lb bagsReady-mix @ $165/yd³
4 in29.6332.5914671956$5,378
5 in37.0440.7418342445$6,722
6 in44.4448.8922002934$8,067
8 in59.2665.1929343912$10,756

Bags include 10% extra. Ready-mix prices vary by region; small loads often carry a short-load fee.

Calculate your exact slab

FAQ

How much concrete do I need for a 40x60 slab?

A 40 × 60 ft slab 4 in thick is 29.63 cubic yards; order about 32.59 yd³ with 10% extra. At 6 in thick it is 44.44 yd³.

How many bags of concrete for a 40x60 slab?

About 1467 bags of 80 lb concrete (or 1956 × 60 lb) at 4 in thick including 10% extra. For this size, ready-mix delivery is usually more practical than bags.

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