Contents

- 1 How much concrete do I need for a 10×10 slab?
- 2 How much does it cost to pour a 30×50 slab?
- 3 How many 80 lb bags of concrete are in a yard?
- 4 How many square feet is a yard of concrete 3 inches thick?
- 5 How do you calculate how much concrete you need?
- 6 How many bags of concrete makes a yard?
- 7 Can you pour concrete directly on dirt?
- 8 Is it cheaper to pour concrete yourself?
- 9 Should you put plastic under concrete?
- 10 How many bags of cement do I need for 1 cubic yard?
- 11 How much area does a 50 lb bag of quikrete cover?
- 12 How many bags of concrete do I need for a post hole?
- 13 How much does a yard of concrete cover at 4 inches thick?
- 14 How many bags of cement do I need for 100 square feet?
- 15 How much is 4 yards of concrete cost?

## 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 does it cost to pour a 30×50 slab?

Concrete Slab Cost Calculator

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

30×40 | $7,200 |

30×50 | $9,000 |

40×40 | $9,600 |

40×60 | $14,400 |

## How many 80 lb bags of concrete are in a yard?

**how many 80lb bags of concrete are in a yard**? You will need 45 **bags of concrete** mix to make a cubic **yard** of **concrete**. There’s 27 cubic feet of **concrete** in a cubic **yard**.

## How many square feet is a yard of concrete 3 inches thick?

One Cubic Yard = 27 Cubic Feet Length x Width = Square Feet

1 YD | 3 YD | |
---|---|---|

Depth | ||

3 Inches | 108 sq.ft. | 324 sq.ft. |

4 Inches | 81 sq.ft. |
243 sq.ft. |

5 Inches | 65 sq.ft. | 195 sq.ft. |

## How do you calculate how much concrete you need?

**How to calculate concrete:**

**Determine**how thick**you want**the**concrete**.- Measure the length and width that
**you**‘d like to cover. - Multiply the length by the width to
**determine**square footage. - Convert the thickness from inches to feet.
- Multiply the thickness in feet by the square footage to
**determine**cubic feet.

## How many bags of concrete makes a yard?

On average, it will take 90 40lb bags, **60** 60lb bags, or 45 80lb bags to fill one cubic yard of concrete.

## Can you pour concrete directly on dirt?

Long story short, yes **you can pour concrete** over **dirt**.

## Is it cheaper to pour concrete yourself?

One of the least expensive ways to get **concrete** is to mix your own. You can buy bags of the mix from a home improvement store. Typically, you only have to add water for it to be ready to **pour**. Otherwise, you risk getting a weaker **concrete** once it cures, which could lead to cracks or crumbles within a couple of years.

## Should you put plastic under concrete?

Recently, though, research has shown that the old traditional layer of 6-mil Visqueen (polyethylene **plastic**) **under** the **slab** is seldom effective for two main reasons: Although it may seem water-tight, this grade of material allows a lot of water vapor to pass through.

## How many bags of cement do I need for 1 cubic yard?

Pure **cement**, sand and crushed rock all have about the same density, so a block of pure **cement** measuring **1 cubic yard** of volume (about 3,600 pounds) will contain 45 **bags of cement**.

## How much area does a 50 lb bag of quikrete cover?

One **50-pound bag of Quikrete** Fast Setting **Concrete** Mix yields about. 375 cubic feet. For example, if you need to **cover** 33.333 cubic feet, using 60-**pound** bags of **concrete**, divide 33.333 cubic feet by. 45 cubic feet to get 74.07 total bags of **concrete**.

## How many bags of concrete do I need for a post hole?

Mix two 50lb **bags of concrete** with water in a mixing tub or 5-gallon bucket. Add **concrete** into the **hole** and around the 4” x 4”. Depending on your climate, let **concrete** set up for 24 – 48 hours.

## How much does a yard of concrete cover at 4 inches thick?

One Cubic **Yard of Concrete**: **4**–**inches thick** – **covers** 81 square feet.

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

4 **bags** ( 401 kg) of **cement** and 1593 nos bricks are required for **100 square feet** 13.5 inch brick wall.

## How much is 4 yards of concrete cost?

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

Short-Load **Concrete Prices**.

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

4 – 4.75 |
$80 |

3 – 3.75 | $90 |

2 – 2.75 | $100 |

1 – 1.75 | $110 |