The amount of concrete one bag of cement can make depends on the mix ratio and the volume of ingredients used. A common mix ratio for concrete is 1:2:3, which means one part cement, two parts sand, and three parts aggregate (such as gravel). A typical bag of cement in the United States contains 94 pounds (about 42.6 kilograms) of cement which yields 1 cubic feet.

With a mix ratio of 1:2:3 and a 94-pound bag of cement, you can make about 6 cubic feet of concrete by taking a 94-pound bag of Portland cement and 2 cubic feet of sand. and 3 cubic feet of aggregate.

Concrete is mixture of cement, sand, gravel and water with some admixture in the required proportion, generally used for various concreting structure such as shed base, Patio, sidewalk, concrete road, slab, floor slab, column, beam and heavy structure bridge, dam, pool and also used in residential industrial commercial building.

Concrete ready mix made of blended mix of Portland cement, sand gravel and other approved ingredient, generally, dry ready mix concrete are available in different bag size and weight condition such as 40lb, 50lb, 60lb bag, 80lb bag and 90lb bag.

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**1)what is concrete and its types and properties**

Concrete is prepared manualy by mixing of individual ingredients like sand, gravel, portland cement and water at construction site then you will require proper ratio of different ingredient for mixing to achieve desired strength, it will be measured by bucket, shovels full or wheelbarrow.

But today there is different concrete ready mix bag of different size and weigh available in market, they do not need to add separate ingredients, you have to just add water, mix properly ready mix of concrete with water and make workable paste for different application.

In United State, concrete ready mixed bag available in different weigh condition such as 80lb, 90lb, 60lb, 50lb & 40lb. And Portland cement comes in 94lb bag which yields approximately 1 cubic foot volume.

Cement bag also available in 50kg, 40kg, 25kg and 20kg in India, Australia, United Kingdom, New Zealand, Philippines, Singapore and other part of the world. In United Kingdom a bag of ballast of 25 kg is available which is mixed with cement to produce concrete.

Now reasonable question is, how much concrete will a bag of cement make?, it’s depend on weight of one cement bag and their volume and mixing ratio of cement sand and gravel. In this article we briefly explain how much concrete will produce by 1 bag of cement, a bag of ready mix concrete and a bag of ballast.

**How much concrete will one bag of cement make?**

United States, according to US customary measurement system concrete volume measured in cubic yard which is equal as 27 cubic feet and a bag of Portland cement comes in 94lb which yields approximately 1 cubic foot volume.

How much concrete will one bag of cement make?, its depending on how strong you want your concrete. Normal compressive strength of concrete ranging from 2500 psi to 5000 psi in distance of 500psi increments. The higher the strength more cement is required, a bag of Portland cement is generally referred as sack.

Regarding this, “how much concrete will one bag of cement make?”, generally a bag or sack of 94 lb Portland cement will make or produce 6 cubic feet of concrete to achieve compressive strength of 2500 psi, and you will need 4 1/2 bags or sack of portland cement to make one cubic yard of concrete of compressive strength of 2500 psi which is minimum strength recommendation generally used for residential driveways, walkways, footpath and even floor slab.

For achieving 3000 psi compressive strength of concrete, generally a bag or sack of 94 lb Portland cement will make or produce 5.4 cubic feet of concrete, and you will need 5 bags or sack of portland cement to make one cubic yard of concrete which is suitable for residential driveways, walkways, footpath, Foundation footing, foundation wall and floor slab.

For achieving 3500 psi compressive strength of concrete, generally a bag or sack of 94 lb Portland cement will make or produce 4.9 cubic feet of concrete, and you will need 5 1/2 bags or sack of portland cement to make one cubic yard of concrete which is suitable for residential driveways, walkways, footpath, Foundation footing, foundation wall and floor slab.

For achieving 4000 psi compressive strength of concrete, generally a bag or sack of 94 lb Portland cement will make or produce 4.5 cubic feet of concrete, and you will need 6 bags or sack of portland cement to make one cubic yard of concrete which is suitable for pool deck, sidewalk, Patio, Concrete driveways, retaining wall and etc.

For achieving 4500 psi compressive strength of concrete, generally a bag or sack of 94 lb Portland cement will make or produce 4.2 cubic feet of concrete, and you will need 6 1/2 bags or sack of portland cement to make one cubic yard of concrete which is suitable for pool deck, sidewalk, Patio, Concrete driveways, retaining wall and etc.

For achieving 5000 psi compressive strength of concrete, generally a bag or sack of 94 lb Portland cement will make or produce 3.9 cubic feet of concrete, and you will need 7 bags or sack of portland cement to make one cubic yard of concrete which is suitable for pool deck, sidewalk, Patio, Concrete driveways, retaining wall and etc.

**How much concrete will 40kg of cement make?**

Generally a bag or sack of 40kg cement will make or produce 3.5 cubic feet (0.1m3) of concrete to achieve compressive strength of 20 MPa at standard mix ratio 1 part cement to 1.5 parts sand to 3 parts aggregate, and you will need 10 bags or sack of 40kg cement to make one cubic meter of concrete of compressive strength of 20 MPa which is minimum strength recommendation generally used for rcc work.

**How much concrete will 20kg of cement make?**

Generally a bag or sack of 20kg cement will make or produce 1.75 cubic feet (0.05m3) of concrete to achieve compressive strength of 20 MPa at standard mix ratio 1 part cement to 1.5 parts sand to 3 parts aggregate, and you will need 20 bags or sack of 20kg cement to make one cubic meter of concrete of compressive strength of 20 MPa which is minimum strength recommendation generally used for rcc work.

**How much concrete will 25kg of cement make?**

Generally a bag or sack of 25kg cement will make or produce 2.2 cubic feet (0.062m3) of concrete to achieve compressive strength of 20 MPa at standard mix ratio 1 part cement to 1.5 parts sand to 3 parts aggregate, and you will need 16 bags or sack of 20kg cement to make one cubic meter of concrete of compressive strength of 20 MPa which is minimum strength recommendation generally used for rcc work.

**How much concrete will 50kg of cement make?**

Generally a bag or sack of 50kg cement will make or produce 4.4 cubic feet (0.125m3) of concrete to achieve compressive strength of 20 MPa at standard mix ratio 1 part cement to 1.5 parts sand to 3 parts aggregate, and you will need 8 bags or sack of 50kg cement to make one cubic meter of concrete of compressive strength of 20 MPa which is minimum strength recommendation generally used for rcc work.

**How much concrete will an 80lb bag make?**

A bag of 80 lb concrete is premixed of cement, sand and gravel as concrete, generally a bag or sack of 80lb premixed concrete will make or produce 0.6 cubic feet of concrete and you will need 45 bags or sack of 80lb concrete to make one cubic yard of concrete which is generally used for building or repairing foundation walls, sidewalks, curbs, steps and ramps and for setting posts and others concrete structure like, footing, slab, beam and columns.

**How much concrete will a 90lb bag make?**

A bag of 90 lb concrete is premixed of cement, sand and gravel as concrete, generally a bag or sack of 90lb premixed concrete will make or produce 0.68 cubic feet of concrete and you will need 40 bags or sack of 90lb concrete to make one cubic yard of concrete.

**How much concrete will a 60lb bag make?**

A bag of 60 lb concrete is premixed of cement, sand and gravel as concrete, generally a bag or sack of 60lb premixed concrete will make or produce 0.45 cubic feet of concrete and you will need 60 bags or sack of 60lb concrete to make one cubic yard of concrete.

**How much concrete will a 50lb bag make?**

A bag of 50 lb concrete is premixed of cement, sand and gravel as concrete, generally a bag or sack of 50lb premixed concrete will make or produce 0.375 cubic feet of concrete and you will need 72 bags or sack of 50lb concrete to make one cubic yard of concrete.

**How much concrete will a 40lb bag make?**

A bag of 40 lb concrete is premixed of cement, sand and gravel as concrete, generally a bag or sack of 40lb premixed concrete will make or produce 0.30 cubic feet of concrete and you will need 90 bags or sack of 40lb concrete to make one cubic yard of concrete.

**How much concrete will a 40kg bag make?**

A bag of 40kg concrete is premixed of cement, sand and gravel as concrete, generally a bag or sack of 40kg premixed concrete will make or produce 0.018m3 of concrete and you will need 55 bags or sack of 40kg concrete to make one cubic meter of concrete.

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**How much concrete will a 30kg bag make?**

A bag of 30kg concrete is premixed of cement, sand and gravel as concrete, generally a bag or sack of 30kg premixed concrete will make or produce 0.0136m3 of concrete and you will need 74 bags or sack of 30kg concrete to make one cubic meter of concrete.

**How much concrete will a 25kg bag make?**

A bag of 25kg concrete is premixed of cement, sand and gravel as concrete, generally a bag or sack of 25kg premixed concrete will make or produce 0.0114m3 of concrete and you will need 88 bags or sack of 25kg concrete to make one cubic meter of concrete.

**How much concrete will a 20kg bag make**

A bag of 20kg concrete is premixed of cement, sand and gravel as concrete, generally a bag or sack of 20kg premixed concrete will make or produce 0.009m3 of concrete and you will need 110 bags or sack of 20kg concrete to make one cubic meter of concrete.

**Conclusions:-**

With a mix ratio of 1:2:3 and a 94-pound bag of cement, you can make about 6 cubic feet of concrete by taking a 94-pound bag of Portland cement and 2 cubic feet of sand. and 3 cubic feet of aggregate.