- What is Concrete?
- Different Types of Concrete
- Advantages of Concrete
- Why Measuring the Amount of Concrete Required is Important?
- Pre-Requisites
- Some Important Formulas for different Concrete forms
- How to calculate concrete?
- Ready-Mix vs. Bagged Concrete
- What is Concrete Calculator?

The Concrete is a building material mostly used nowadays for the construction activities. Concrete is made by using ingredients like Cement, Sand, Aggregates, Water & Admixtures. “Concrete has become the first choice of designers when it comes to design any modern day structures."

Concrete is most of the cases is Portland cement concrete that is a composite material composed of fine and coarse aggregate bonded together with fluid cement (paste of cement).

There are many types of cement, Portland cement is one of the most commonly used cement and is an ingredient in concrete, mortar, and plasters.

We can purchase concrete in multiple forms, including in 60 or 80-pound bags, or delivered in large amounts by specialized concrete mixer trucks.

It is essential to mix it properly for the production of strong, uniform concrete as it involves mixing water, aggregate, cement, and any desired additives and should place before it gets hard.

The concrete is even designed to harden more quickly for applications that require rapid set time.

A slow process of concrete hardening once it has been placed is called curing, this process typically takes concrete around four weeks to reach over 90% of its final strength.

During the early stages of curing the concrete is damp and we can increase the strength of the concrete through techniques such as spraying concrete slabs with compounds that create a film over the concrete that retains water, as well as ponding, where concrete is submerged in water and wrapped in plastic.

There are many varieties of concrete. For different projects we may need different concrete, many types of concrete developed for a special application these days.

Calculating how much concrete you’ll require for a project comes in 2 steps:

- The first step will be what kind of concrete you will need. There are many, many varieties of concrete out there. Regular concrete or modern concrete is a mixed design using sand and other common materials that withstand pressure.
- There are many types of concrete which are known as high or ultra-high performance, meaning it can really take any kind of hit and then there is cellular, cork, roller-compacted, glass, asphalt concrete types—endless possibilities to choose from.

Let us discuss some of the most commonly used concrete types:-

Regular concrete is a lay term for concrete that is produced by the reading the instructions that are commonly published on packets of cement, typically using sand or some of the other common material as the aggregate, and often mixed in improvised containers. Any particular mix in ingredients will depend on the nature of the application.

Regular concrete can typically withstand a pressure from about 10-40 Mpa with lighter duty as blinding concrete having a much lower Mpa rating than structural concrete.

Many types of pre-mixed concrete available which include powdered cement mixed with aggregate, needing only water.

Mostly, a batch of concrete can be made by using 1 part Portland cement, 2 parts dry sand, 3 parts dry stone, 1/2 part water, and the parts are in terms of weight –not volume. i.e, 1-cubic-foot (0.028 m3) of concrete would be made using 22 lb (10.0 kg) cement, 10 lb (4.5 kg) water, 41 lb (19 kg) dry sand, 70 lb (32 kg) dry stone (1/2" to 3/4" stone).

It will make 1-cubic-foot (0.028 m3) of concrete and would weigh about 143 lb (65 kg) and sand should be mortar or brick sand (washed and filtered if possible) and the stone should be washed if possible. Organic material should be removed from the sand and stone to ensure the highest strength.

It is an architectural concrete has a superior surface finish. After a concrete floor has been laid, floor hardener (can be pigmented) is impregnated on the surface &a mold that may be textured to replicative a stone, wood or even brick is stamped on to give an attractive textured surface finish.

After sufficient hardening, the surface is cleaned & generally sealed to provide protection. There is the wear resistance of stamped concrete is generally excellent and hence found in applications like parking lots pavements, walkways etc.

Following are the advantages of concrete

Cement and concrete can get expensive, so it pays to know how much concrete you need for your project. Below you can check that how much concrete your project requires based on the shape of the area you’ll be covering.

You will need to figure out exactly how much of the material you will need for your concrete project and all concrete is estimated in cubic yards (one cubic yard = 27 cubic feet) and large concrete jobs -four cubic yards or more - the concrete should be delivered by a ready-mix truck.

The possibility will be there to haul fresh concrete to your site in special two-cubic-yard trailers provided by concrete producers. For medium and small projects, it’s best to mix your own in a rented concrete mixer.

You can purchase sacks of ready-mix that only require water for a very small job.

One of the best ways to calculate how much concrete you’re going to need in cubic yards is to do the following.

The area should be marked properly so that it divides it into smaller areas and calculate the volume of the area after determining the shape of the area (see the chart below) by multiplying in the thickness of the concrete and it convert the volume from feet to cubic yards to get the number of cubic yards of concrete you’ll need.

Formulas are playing a very important role even in the calculation as every calculation should be 100% correct and effective.

Below are some very important formulas I am going to discuss which will be very important as far as calculation of ‘’Concrete’’ is concern.

- Calculate the concrete volume of a square slab

Volume in Cubic Feet (ft3) = Width x Length x Depth

Volume in Cubic Yards (yd3) = Volume in Cubic Feet (ft3) / 27,

Volume in (m3) is cubic meter= Volume in Cubic Feet (ft3) x 0.0283

- 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
- Convert cubic feet to cubic yards by multiplying by .037

What the math looks like for a 10’ by 10’ concrete patio see below:

- 10 x 10 = 100 square feet
- 100 x .33 = 33 cubic feet
- 33 x .037 = 1.22 cubic yards

It is essential that you are solving for volume and then converting to cubic yards. The formula for volume is as follows for the concrete: length x width x thickness.

For determining 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
- 80-pound bag yields .022 cubic yards

Rather than trying to mix bag after bag by hand it is easy to complete when ordering concrete by the yard. Smaller jobs, like a walkway, modest patio or footings, you should calculate the number of concrete bags instead.

Bagged concrete is ideal for:

- Pouring small slabs for sidewalks or patios
- Setting posts for fences or mailboxes and making repairs to foundation walls, walkways or steps
- Pouring small curbs, steps, or ramps
- Footings for decks, pergolas, walls and more

Ready-mixed concrete is good for:

- Large patios, driveways, pool decks and more
- Foundation slabs for a house
- Parking lots or commercial sidewalks

The Concrete calculator is a device or a machine which estimates weight and volume of a concrete necessary to cover a given area, it also estimates the number of bags of concrete necessary based on standard 60 to 80 pounds bags of concrete.

Purchasing more even slightly concrete than the estimated result can reduce the probability of having insufficient concrete.

A concrete calculator is also a free calculator which calculates the amount of cement, sand and aggregate required in a concrete.