How many bags of concrete do i need for a 12×24 slab | how much concrete do I need for a 12×24 slab.

Concrete is a blended mix of Portland cement, sand, aggregate, water with approve ingredient. Cement is acts as binder or adhesive materials to bind the components of concrete all together to create workable paste. Sand acts as filler material that fills the voids and gap between components of concrete and remove the air. Aggregate, stone, or gravel used to strengthen the concrete strength.

To determine how many bags of premixed concrete you will need, divide the total cubic yards needed by the yield. Use the following yields per each bag size: A 40 pound bag yields 0.011 cubic yards, 60 pound bag yields 0.017 cubic yards, 50 pound bag yields 0.0138 cubic yards and 80 pound bag yields 0.022 cubic yards.

If you measure their yields in cubic feet, then yields per each bag size are following: A 40 pound bag yields 0.30 cubic feet, 60 pound bag yields 0.45 cubic feet, 50 pound bag yields 0.375 cubic feet and 80 pound bag yields 0.60 cubic feet.

To figure the amount of yards of concrete you will need, take the all measurements Length in feet, width in feet and thickness in inches. Convert thickness in feet. Multiply its length, width and thickness to get cubic footage. Multiply the total cubic footage by 0.037 to get total yards of concrete needed.

**How many bags of concrete do i need for a 12×24 slab**

If you have a 12×24 slab, you would need approximately either 120 80-pound, or 160 60-pound (2.66 yards, or 72 cubic feet) bags of premixed concrete at 3 inches thick, 160 80-pound, or 214 60-pound (3.55 yards, or 96 cubic feet) bags of premixed concrete at 4 inches thick, 200 80-pound, or 267 60-pound (4.44 yards, or 120 cubic feet) bags of premixed concrete at 5 inches thick, or 240 80-pound, or 320 60-pound (5.33 yards, or 144 cubic feet) bags of premixed concrete at 6 inches thick.

**How many bags of concrete do i need for a 12×24 slab at 3 inches thick**

At 3 inches thick, for a 12×24 slab you would need approximately either 120 80-Pound, 160 60-pound, or 240 40-pound bags of premixed concrete. If you measure in yards, 2.66 cubic yards (72 cubic feet) of concrete will be required.

**Let’s do calculation and proceeds following steps:**

● 3″ thickness in feet = 3/12 = 0.25′

● Volume of concrete in cubic feet = 12 × 24 × 0.25 = 72

● Volume of concrete in yards = 72 × 0.037 = 2.66 yards.

● No. of 80lb bags = 72/0.60 = 120 bags

● No. of 60lb bags = 72/0.45 = 160 bags

● No. of 40lb bags = 72/0.30 = 240 bags.

**How many bags of concrete do i need for a 12×24 slab at 4 inches thick**

At 4 inches thick, for a 12×24 slab you would need approximately either 160 80-Pound, 214 60-pound, or 320 40-pound bags of premixed concrete. If you measure in yards, 3.56 cubic yards (96 cubic feet) of concrete will be required.

**Let’s do calculation and proceeds following steps:**

● 4″ thickness in feet = 4/12 = 0.333′

● Volume of concrete in cubic feet = 12 × 24 × 0.333 = 96

● Volume of concrete in yards = 96 × 0.037 = 3.56 yards.

● No. of 80lb bags = 96/0.60 = 160 bags

● No. of 60lb bags = 96/0.45 = 214 bags

● No. of 40lb bags = 96/0.30 = 320 bags.

**How many bags of concrete do i need for a 12×24 slab at 5 inches thick**

At 5 inches thick, for a 12×24 slab you would need approximately either 200 80-Pound, 267 60-pound, or 400 40-pound bags of premixed concrete. If you measure in yards, 4.44 cubic yards (120 cubic feet) of concrete will be required.

**Let’s do calculation and proceeds following steps:**

● 3″ thickness in feet = 5/12 = 0.417′

● Volume of concrete in cubic feet = 12 × 24 × 0.417 = 120

● Volume of concrete in yards = 120 × 0.037 = 4.44 yards.

● No. of 80lb bags = 120/0.60 = 200 bags

● No. of 60lb bags = 120/0.45 = 267 bags

● No. of 40lb bags = 120/0.30 = 400 bags.

**How many bags of concrete do i need for a 12×24 slab at 6 inches thick**

At 6 inches thick, for a 12×24 slab you would need approximately either 240 80-Pound, 320 60-pound, or 480 40-pound bags of premixed concrete. If you measure in yards, 5.33 cubic yards (144 cubic feet) of concrete will be required.

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**Let’s do calculation and proceeds following steps:**

● 6″ thickness in feet = 6/12 = 0.5′

● Volume of concrete in cubic feet = 12 × 24 × 0.5 = 144

● Volume of concrete in yards = 144 × 0.037 = 5.33 yards.

● No. of 80lb bags = 144/0.60 = 240 bags

● No. of 60lb bags = 144/0.45 = 320 bags

● No. of 40lb bags = 144/0.30 = 480 bags

**Cost estimate for a 12×24 slab**

For the most part, the typical concrete slab price range of $4 to $8 per square foot includes labor. A 12×24 slab is a 288 square foot. Using ready-mix concrete to cover 12×24 (288 sq ft) at a depth of 4″ to 6″-8″, the estimated cost is range between $1,152 to $2,304 (288× $4 = $1,152 or 288×$8 = $2,304).

**How much does a 12’×24’×4″ concrete slab cost?**

Pouring a concrete slab may cost between $4 and $8 per square foot. A 4″ thick slab will cost an average cost of $4 per square foot. Based on the national average, a 12’×24’×4″ (288 square feet) concrete slab may cost about $1,152 (288 times $4 = $1,152).

**How much does a 12’×24’×5″ concrete slab cost?**

Pouring a concrete slab may cost between $4 and $8 per square foot. A 5″ thick slab will cost an average cost of $5 per square foot. Based on the national average, a 12’×24’×5″ (288 square feet) concrete slab may cost about $1,440 (288 times $5 = $1,440).

**How much does a 12’×24’×6″ concrete slab cost?**

Pouring a concrete slab may cost between $4 and $8 per square foot. A 6″ thick slab will cost an average cost of $6 per square foot. Based on the national average, a 12’×24’×6″ (288 square feet) concrete slab may cost about $1,728 (288 times $6 = $1,728).

**How much does a 12’×24’×8″ concrete slab cost?**

Pouring a concrete slab may cost between $4 and $8 per square foot. A 8″ thick slab will cost an average cost of $8 per square foot. Based on the national average, a 12’×24’×8″ (288 square feet) concrete slab may cost about $2,304 (288 times $8 = $2,304).

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**Conclusions:**

If you have a 12×24 slab with 4″ thick, you would need approximately either 160- 80lb, or 214- 60lb (3.56 yards, or 96 cubic feet) bags of premixed concrete which will cost an average of $1,152 including labour.