Contents

- 1 What is the formula for calculating concrete?
- 2 How much concrete do I need for a 10×10 slab?
- 3 How much is 5 cubic yards of concrete?
- 4 How much concrete do I need for a 40×60 slab?
- 5 How much does 2 yards of concrete cost?
- 6 What is the correct mix for concrete?
- 7 How many square feet does an 80lb bag of concrete cover?
- 8 How many square feet does 10 yards of concrete cover?
- 9 How thick should my concrete slab be?
- 10 Can I pour a 2 inch concrete slab?
- 11 How many bags of concrete do I need calculator?
- 12 How many bags of cement do I need for 100 square feet?
- 13 How much concrete do I need for a 30×50 slab?
- 14 Can pressure treated posts be set in concrete?
- 15 How much would a 30 by 40 garage cost?

## What is the formula for calculating concrete?

**Calculating** the volume for **concrete** requires using three dimensions: length times width (which is area) times the height (thickness) or L x W x H. If you are using feet as your standard unit of measurement, this **formula** will give you the volume of **concrete** in cubic feet.

## How much concrete do I need for a 10×10 slab?

For a **10 x 10 slab**, we’d suggest a mix with a capacity of about 4,000 pounds per square inch, or psi. This is basic for residential projects, and it can withstand traffic and support heavy loads.

## How much is 5 cubic yards of concrete?

Each **cubic** yard of **concrete costs** $119 to $147 per **cubic** yard delivered.

Short-Load Concrete Prices.

Cubic Yards | Mixing On-site Fees |
---|---|

5 – 5.75 | $70 |

4 – 4.75 | $80 |

3 – 3.75 | $90 |

2 – 2.75 | $100 |

## How much concrete do I need for a 40×60 slab?

On average, the amount of **concrete** you will **need** for a 40×60 **slab** for a barndominium will be $9,500 to $14,400. This calculation takes into factor the area of the **slab**, the cost of the **concrete** mix, and the national average of labor and materials you will **need** for the job.

## How much does 2 yards of concrete cost?

According to the NRMCA – Ready Mixed **Concrete** Industry Data Survey, the **average cost** of **concrete** in 2018 was $120 per cubic yard, or $240 for the **2** cubic **yards** needed for a typical 10-by-10-foot patio.

Bulk **Concrete Prices**.

Cubic Yards |
Price Range |
---|---|

1* | $140-$200 |

2* |
$280-$400 |

3* | $420-$600 |

4* | $560-$800 |

## What is the correct mix for concrete?

In terms of the ratio for concrete, it depends on what strength you are trying to achieve, but as a general guide a standard concrete mix would be 1 part cement to 2 **parts sand** to 4 **parts** aggregates. For foundations, a mix of 1 part cement to 3 **parts sand** to 6 **parts** aggregates can be used.

## How many square feet does an 80lb bag of concrete cover?

4 **sq feet** in that amount of **cement**.

## How many square feet does 10 yards of concrete cover?

**One Cubic** Yard of Concrete: 4-inches thick – covers **81 square feet**. 5-inches thick – covers 65 square feet. 6-inches thick – covers 54 square feet.

## How thick should my concrete slab be?

Standard **concrete** floor **slab thickness** in residential construction is 4 inches. Five to six inches is recommended if the **concrete** will receive occasional heavy loads, such as motor homes or garbage trucks. To prepare the base, cut the ground level to the proper depth to allow for the **slab thickness**.

## Can I pour a 2 inch concrete slab?

If done properly, new **concrete can** often be **poured** right over an existing **slab**. For this to be feasible, the contractor needs to **pour** at least **2 inches** thick, use smaller aggregate, and incorporate reinforcement such as welded wire mesh or fiber mixed into the **concrete**.

## How many bags of concrete do I need calculator?

To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield. Use the following yields per each bag size: 40 pound bag yields.**011** cubic yards. 60 pound bag yields.017 cubic yards.

## How many bags of cement do I need for 100 square feet?

Ans.:- 7.6 no of **cement bags** (381.30 kgs) are required for **100 sq ft** rcc roof slab 4 inch thick m20 grade concrete. Ans.:- 7.6 **bags** (381.30 kgs), 9.5 **bags** (476.10 kgs) & 11.4 **bags** ( 570.8 kgs) **cement** are required for **100 sq ft** rcc roof slab 4 inch, 5inch & 6 inch thick respectively in m20 grade of concrete.

## How much concrete do I need for a 30×50 slab?

Concrete Slab Cost Calculator

Size (in feet) | Approximate Cost |
---|---|

30×30 | $5,400 |

30×40 | $7,200 |

30×50 |
$9,000 |

40×40 | $9,600 |

## Can pressure treated posts be set in concrete?

Simply **setting** the **posts** in **concrete** does create a condition that will accelerate rot in the bottom of the **posts**. With **pressure**–**treated posts**, the rot will be slow. **Concrete** should be poured around the **post** – no **concrete** under the **post**.

## How much would a 30 by 40 garage cost?

An average **30**×**40**, 1,200 sq ft, metal **garage costs** between $22,800 and $30,000, or $19-$25 per square foot.