# How do I figure out how many hollow blocks I need?

Table of Contents

## How do I figure out how many hollow blocks I need?

After you have found the square footage of both your wall and your block, determining the number of blocks you need is as simple as dividing the wall square footage by the block square footage. If you’re using a standard 16″ x 8″ x 8″ block, find the number of blocks needed by dividing the wall square footage by 0.89.

**How do you calculate blocks?**

Measure the length and height of the block in inches and then substitute the values in the equation square feet of block = (length of block x height of block) / 144. For example, a standard cement block measures 16 x 8 inches, so it covers 0.89 square feet — (16 x 8) / 144 = 0.89.

### How do you measure a hollow wall block?

Divide The Total Volume Of The Wall By Volume Of One Block: So the total numbers of blocks required = 86 + (86 x 5/100) = 86 + 4 = 90.

**How many inches is 1 hollow block?**

Hollow Block, Size (Inches): 24 inch x 8 inch

Coverage Area (Sq. feet) | 1.33 |
---|---|

Size (Inches) | 24 inch x 8 inch |

For Use in | Side Walls, Partition Walls |

## What is the size of hollow block?

Hollow Block, Size: 40cm (length) X 20 Cm (width) , For Construction

Usage/Application | Construction |
---|---|

Density | 1100 kg/m3 and 1500 kg/m3 |

Compressive Strength | 2.8-4.0 N/mm 2 |

Drying Shrinkage | 0.06 \% |

Size | 40cm (length) X 20 cm (width) |

**How do you calculate mortar for hollow block work?**

Multiply the area of the wall by 0.02 — the industry standard factor for calculating mortar volumes for block walls — if the wall is constructed from double open-ended bond beam blocks. The result is the volume of mortar required, expressed in cubic yards.

### How many meters is a hollow block?

The easiest way to estimate CHB quantity is by the Area Method. A piece of standard concrete hollow block (CHB) has a surface area of 0.08 m2. In accordance to this, a one square meter area will require 12.5 pcs of CHB.

**What is the size of 6 block?**

Concrete Block (CMU) Sizes

CMU Size | Nominal Dimensions D x H x L | Actual Dimensions D x H x L |
---|---|---|

6″ CMU Full Block | 6″ x 8″ x 16″ | 5 5/8″ x 7 5/8″ x 15 5/8″ |

6″ CMU Half-Block | 6″ x 8″ x 8″ | 5 5/8″ x 7 5/8″ x 7 5/8″ |

8″ CMU Full Block | 8″ x 8″ x 16″ | 7 5/8″ x 7 5/8″ x 15 5/8″ |

8″ CMU Half-Block | 8″ x 8″ x 8″ | 7 5/8″ x 7 5/8″ x 7 5/8″ |

## How many blocks are needed to build a 50 meter wall?

200 mm block height is 8 inches, which makes 12 rows of blocks to get 8 feet. For a 50 meter wall, 12 rows of 125 blocks says 1500 blocks is enough. You may need to lay a concrete foundation for the block wall and may need to fill the hollows in the blocks with concrete and reinforcing bars to make the wall strong enough for your planned needs.

**How many hollow blocks do I need to build a house?**

I would recommend that you build your own hollow block at 100 square meters at 8-Ft high. The answer would be that you only need one hollow block. Measure the four sides of the lot. Subtract a few meters from the calculated total to allow gaps for doors and gates.

### How to calculate the number of blocks needed to make mortar?

The example here depends on a a block length and height available in your area. “Nominal size” includes space for the mortar filling. 410 mm long, 200 mm high is an example. That’s same as 16″ x 8″ x 8″. 410 mm =.41 meters. Divide length in meters of each side by .41 to get number of blocks to make one layer on that side.

**What are the uses of hollow concrete blocks?**

Uses of Hollow Concrete Blocks 1 Exterior load-bearing walls 2 Interior load-bearing walls 3 Curtain walls 4 Partition wall and panel walls 5 Backing from brick, stone, and other facing 6 Fireproofing over a structural member 7 Fire-safe walls around stairwells, elevators 8 Piers, column and retaining walls etc. 9 Boundary fences More