## Is there an app for concrete calculator?

Concrete Calculator Plus on the App Store.

### How do you calculate materials for concrete mix?

Calculation Of Materials For Different Mix Ratio:

- Volume of dry concrete = 1 × 1.54 = 1.54 m3.
- Formula, Cement = (Volume of dry concrete/a+b+c) × a.
- Formula, Sand = (Volume of dry concrete/a+b+c) × b.
- Formula, Aggregatess = (Volume of dry concrete/a+b+c) × c.
- Required water for 1 bag cement=0.0159 × 1000 = 15.9 Litre.

#### What is the formula for yards of concrete?

There’s a pretty simple formula. Take the length in feet times the width and height of the wall to figure your cubic footage. Then divide that figure by 27 to get your cubic yards (because there are 27 cubic feet in a cubic yard).

**How do you figure square footage for concrete?**

Multiply the length times the width for square footage. For instance, if you plan to pour a concrete driveway that will be 25 feet long and 12 feet wide, the square footage would be 300 square feet.

**How do you calculate cement and sand for concrete?**

- Cement Quantity= (Cement Part / Concrete Parts) x Concrete Volume.
- Sand Quantity= (sand Part / Concrete Parts) x Concrete Volume.
- Aggregate Quantity = (sand Part / Concrete Parts) x Concrete Volume.

## How much ballast and cement do I need calculator?

ballast calculator for concrete:-quantity of ballast for 1m3 concrete is calculated as follows, ballast quantity = 5/6 × 1m3 = 0.833 m3, we know weight of ballast = volume × density, so weight of ballast in kg = 0.833m3 × 1750kg/m3 = 1458kg, if weight of ballast bag is 25kg, then number of bags of 25kg ballast as 1458/ …

### How many yards of concrete do I need for a 10×10 slab?

1.3 cubic yards

The amount you will need for a 10 x 10 slab is 1.3 cubic yards, we always add an extra 10% to allow for any slab depth variations or spills that may occur.

#### Is there a free construction calculator app?

Building Calculator is a free construction calculator app for Android that helps contractors calculate the amount of materials they’ll need for a project. You can even use it offline. Calculate projects using materials such as bricks, lumber, flooring and paint.

**How many yards of concrete does it take to pour a 20×20 slab?**

For a 20×20×4 slab, generally, you will need approximately 4.88 cubic yards or 132 cubic feet or either 294- 60lb or 220-80lb bags of premixed concrete.

**How many bags of cement do I need calculator?**

How Many Bags of Concrete do you Need?

Bag Size | Pre-mix Bags Needed to Fill | |
---|---|---|

1/4 cu yd | 1 cu yd | |

40 lb bags | 23 | 90 |

60 lb bags | 15 | 60 |

80 lb bags | 12 | 45 |