How Many Bags of Concrete Do I Need?

The weight of concrete= [(10 x 10 x (5)/12] x 133.34 = 5556 pound= 2520 kg If the weight of concrete is 40 kg, the number of bags required= (2520/40) = 63 nos. If the weight of concrete is 40 lb, the number of bags required= (2520/18.14) = 140 nos. (1 lb = 0.45 kg) Read more

Method - 2

Length= 10 feet Width= 10 feet Thickness= 4” Volume of concrete= L x B x T Volume of concrete = 10 x 10 x (0.33) Volume of concrete = 33.00 cu. Ft..........(Because 12” = 1 feet, 4/12 = 0.33 feet) It is equal to 0.23 cu. Meter or 0.3 cubic yard. Read more

3 ft= 1 yard, 3ft x 3 ft x 3ft = 1 yard x 1 yard x 1 yard 27 cubic feet = 1 cubic yard After that, we divide 33 cubic feet by 27 to get the volume of concrete in the cubic yard. Volume of concrete = 33/27 = 1.22 cubic yard Read more

Step-2: Adding 10% of Extra Volume

Now we are adding 10% of extra volume because of dry volume and wastage of concrete. 1.23 x 10% = 1.23 x (10/100) = 0.122 cubic yard So, the total volume of concrete = Original Volume + Extra Volume = 1.23 + 0.122 = 1.35 cubic yard Read more

Step-3: Find Out How Many Bags of Concrete Do I Need

To find the bags required to pour the slab, we need to divide the volume of concrete by yield of concrete bags. Bags are generally available in different sizes like 40lb, 45lb, 60lb, 80lb, and 90lb. Read more

Sizes of bag 40 lb (18.1 kg) 0.3 cubic feet (0.008 cubic meter) 45 lb (20.4 kg) 0.34 cubic feet (0.01 cubic meter) 60 lb (27.2 kg) 0.45 cubic feet (0.012 cubic meter) 80 lb (36.2 kg) 0.6 cubic feet (0.016 cubic meter) 90 lb (40.8 kg) 0.68 cubic feet (0.02 cubic meter) Read more

From the upper table, we are using a 40 lb bag and the yield value is 0.011 cubic yards. So, number of bags are calculated by dividing total volume of concrete with yield vale of bags. So, 1.35/0.011 = 122 bags So, for 10 x 10 slab with a thickness of 4”, we need 122 bags of concrete. Read more

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Different Brands of Dry Mix Concrete Bags

Ultra Tech Cement ACC Limited Nuvoco RDC Concrete Build Supply Shaila Read more

How Many Bags of Concrete Do I Need for Slab with 4” Thickness?

The weight of dry concrete is 3600 pounds per cubic yard. So, the weight of dry concrete per cubic foot = 3600/ = 133.34 pounds [as we know, 1 yard = 3 feet] Read more

Length of slab = 5 feet Width of slab = 5 feet S0, the weight of dry concrete = [{Length (in foot) x Width (in foot) x Thickness (in inches) / 12} x 133.34] = Weight (in pounds) Read more

[(5 x 5 x 4) / 12] x 133.34 = 1111.16 pounds = 504 kg The weight of one of dry cement concrete is 40 kg So, the number of bags are required = 504/40 = 12.6 nos. Read more

Method - 2

Length= 5 feet Width= 5 feet Thickness= 4” Volume of concrete= L x B x T Volume of concrete = 5 x 5 x (0.33) Volume of concrete = 8.25 cu. Ft. ............(Because 12” = 1 feet, 4/12 = 0.33 feet) It is equal to 0.23 cu. Meter or 0.3 cubic yard. Read more

3 ft= 1 yard, 3ft x 3 ft x 3ft = 1 yard x 1 yard x 1 yard 27 cubic feet = 1 cubic yard After that we divide 8.25 cubic feet by 27 to get the volume of concrete in cubic yard. Volume of concrete = 8.25/27 = 0.3 cubic yard Read more

Step-2: Adding 10% of Extra Volume

Now we are adding 10% of extra volume because of dry volume and wastage of concrete. 0.3 x 10% = 0.3 x (10/100) = 0.03 cubic yard So, the total volume of concrete = Original volume + Extra volume = 0.3 + 0.03 = 0.33 cubic yard Read more

Step-3: Find Out How Many Bags of Concrete Do I Need

To find the bags required to pour the slab, we need to divide the volume of concrete by yield of concrete bags. Bags are generally available in different sizes like 40lb, 45lb, 60lb, 80lb and 90lb. Read more

40 lb (18.1 kg) 45 lb (20.4 kg) 60 lb (27.2 kg) 80 lb (36.2 kg) 90 lb (40.8 kg) Read more

From the upper table, we are using 40 lb bag and the yield value is 0.011 cubic yard. So, number of bags are calculated by dividing total volume of concrete with yield vale of bags. So, 0.33/0.011 = 30 bags So, for 5 x 5 slab with a thickness of 4”, we need 30 bags of concrete. Read more

How Many Bags of Concrete Do I Need for Slab with 5” Thickness?

Length of slab = 5 feet Width of slab = 5 feet Previously we determined that the weight of dry concrete per cubic foot is 133.34 pounds. S0, the weight of dry concrete = [{Length (in foot) x Width (in foot) x Thickness (in inches) / 12} x 133.34] = Weight (in pounds) Read more

[(5 x 5 x 5) / 12] x 133.34 = 1389 pound = 630 kg The weight of one of dry cement concrete is 40 kg So, the number of bags are required = 630/40 = 16 nos. Read more

Method - 2

Let’s consider 5x5 slab with thickness 5” Length= 5 feet Width= 5 feet Thickness= 5” Volume of concrete= L x B x T Volume of concrete = 5 x 5 x (0.42) Volume of concrete = 10.5 cu. Ft...........(Because 12” = 1 feet, 5/12 = 0.42 feet) It is equal to 0.39 cubic yard. Read more

3 ft= 1 yard, 3ft x 3 ft x 3ft = 1 yard x 1 yard x 1 yard 27 cubic feet = 1 cubic yard After that we divide 10.5 cubic feet by 27 to get the volume of concrete in cubic yard. Volume of concrete = 10.5/27 = 0.39 cubic yard Read more

Step-2: Adding 10% of Extra Colume

Now we are adding 10% of extra volume because of dry volume and wastage of concrete. 0.39 x 10% = 0.39 x (10/100) = 0.04 cubic yard So, the total volume of concrete = Original volume + Extra volume = 0.3 + 0.04 = 0.34 cubic yard Read more

Step-3: Find Out How Many Bags of Concrete Do I Need

To find the bags required to pour the slab, we need to divide the volume of concrete by yield of concrete bags. Bags are generally available in different sizes like 40lb, 45lb, 60lb, 80lb, and 90lb. Read more

40 lb (18.1 kg) 45 lb (20.4 kg) 60 lb (27.2 kg) 80 lb (36.2 kg) 90 lb (40.8 kg) Read more

From the upper table, we are using 40 lb bag and the yield value is 0.011 cubic yard. So, a number of bags are calculated by dividing total volume of concrete with yield vale of bags. So, 0.34/0.011 = 30.9 bags = 31 bags So, for 5 x 5 slab with a thickness of 5”, we need 31 bags of concrete. Read more

How Many Bags of Concrete Do I Need for Slab with 6” Thickness?

Length of slab = 5 feet Width of slab = 5 feet Previously we determined that the weight of dry concrete per cubic foot is 133.34 pounds. S0, the weight of dry concrete = [{Length (in foot) x Width (in foot) x Thickness (in inches) / 12} x 133.34] = Weight (in pounds) Read more

[(5 x 5 x 6) / 12] x 133.34 = 1666.75 pounds = 756 kg The weight of one of dry cement concrete is 40 kg So, the number of bags are required = 756/40 = 19 nos. Read more

Method - 2

Let’s consider 5 x 5 slab with thickness 6” Length= 5 feet Width= 5 feet Thickness= 6” Volume of concrete= L x B x T Volume of concrete = 5 x 5 x (0.5) Volume of concrete = 12.5 cu. Ft............(Because 12” = 1 feet, 6/12 = 0.5 feet) It is equal to 0.46 cubic yard. Read more

3 ft= 1 yard, 3ft x 3 ft x 3ft = 1 yard x 1 yard x 1 yard 27 cubic feet = 1 cubic yard After that, we divide 12.5 cubic feet by 27 to get the volume of concrete in cubic yard. Volume of concrete = 12.5/27 = 0.46 cubic yard Read more

Step-2: Adding 10% of Extra Volume

Now we are adding 10% of extra volume because of dry volume and wastage of concrete. 0.46 x 10% = 0.46 x (10/100) = 0.05 cubic yard So, the total volume of concrete = Original volume + Extra volume = 0.3 + 0.05 = 0.35 cubic yard Read more

Step-3: Find Out How Many Bags of Concrete Do I Need

To find the bags required to pour the slab, we need to divide the volume of concrete by yield of concrete bags. Bags are generally available in different sizes like 40lb, 45lb, 60lb, 80lb, and 90lb. Read more

40 lb (18.1 kg) 45 lb (20.4 kg) 60 lb (27.2 kg) 80 lb (36.2 kg) 90 lb (40.8 kg) Read more

From the upper table, we are using 40 lb bag and the yield value is 0.011 cubic yard. So, a number of bags are calculated by dividing total volume of concrete with yield vale of bags. So, 0.35/0.011 = 31.8 bags = 32 bags So, for 5 x 5 slabs with a thickness of 6”, we need 32 bags of concrete. Read more

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How Many Bags of Concrete Do I Need for Slab with 8” Thickness?

length of slab = 5 feet width of slab = 5 feet Previously we determined that the weight of dry concrete per cubic foot is 133.34 pounds. S0, the weight of dry concrete = [{Length (in foot) x Width (in foot) x Thickness (in inches) / 12} x 133.34] = Weight (in pounds) Read more

[(5 x 5 x 8) / 12] x 133.34 = 2223 pound = 1008.34 kg The weight of one of dry cement concrete is 40 kg So, the number of bags are required = 1008.34/40 = 25 nos. Read more

Method - 2

Let’s consider 5x5 slab with thickness 8” Length= 5 feet Width= 5 feet Thickness= 8” Volume of concrete= L x B x T Volume of concrete = 5 x 5 x (0.67) Volume of concrete = 16.75 cu. Ft............... (Because 12” = 1 feet, 8/12 = 0.67 feet) It is equal to 0.62 cubic yard. Explanation: 3 ft= 1 yard, 3ft x 3 ft x 3ft = 1 yard x 1 yard x 1 yard 27 cubic feet = 1 cubic yard After that we divide 16.75 cubic feet by 27 to get the volume of concrete in cubic yard. Volume of concrete = 16.75/27 = 0.62 cubic yard Read more

Step-2: Adding 10% of Extra Volume

Now we are adding 10% of extra volume because of dry volume and wastage of concrete. 0.62 x 10% = 0.62 x (10/100) = 0.062 cubic yard So, the total volume of concrete = Original volume + Extra volume = 0.3 + 0.062 = 0.362 cubic yard Read more

Step-3: Find Out How Many Bags of Concrete Do I Need

To find the bags required to pour the slab, we need to divide the volume of concrete by yield of concrete bags. Bags are generally available in different sizes like 40lb, 45lb, 60lb, 80lb, and 90lb. Read more

Sizes of bag 40 lb (18.1 kg) 45 lb (20.4 kg) 60 lb (27.2 kg) 80 lb (36.2 kg) 90 lb (40.8 kg) Read more

From the upper table, we are using a 40 lb bag and the yield value is 0.011 cubic yards. So, a number of bags are calculated by dividing total volume of concrete with yield vale of bags. So, 0.362/0.011 = 32.9 bags = 33 bags So, for 5 x 5 slab with a thickness of 8”, we need 33 bags of concrete. Read more

How Many Bags of Quikrete Do I Need?

Weight of one bag

40 lb. 50 lb. 60 lb. 80 lb. 28 23 19 14 Read more

Different weights for a 5 'x 5' x 5"slab size in a hair bag are as follows.

40 lb. 50 lb. 60 lb. 80 lb. 35 28.5 23.5 17.5 Read more

Different weights for a 5 'x 5' x 6"slab size in a hair bag are as follows.

40 lb. 50 lb. 60 lb. 80 lb. 42 34 28 21 Read more

Different weights for a 5 'x 5' x 8"slab size in a hair bag are as follows.

40 lb. 50 lb. 60 lb. 80 lb. 56 45 37 28 Read more

How Much Concrete Do I Need?

According to the requirements of concrete, the bags will be decided. If the structure is large then it requires more bags of concrete and if the structure is small compared to the large structure then it required less number of bags. The example of how many bags of concrete do I need for a 10’ x 10’ x 5” slab is below- The weight of concrete= [(10 x 10 x 5)/12] x 133.34 = 5556 pound We know the density of dry mix concrete is 133 lb So, the volume is (5556/133) = 41.78 = 1.18 So, we need to order 1.18 dry concrete. Read more

Bags of Concrete

Mixed Cement Bags

Concrete Mix Ready to Use

80 lb Quikrete Concrete Mix

Small Bag Concrete Mix

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Sizes of bag
40 lb (18.1 kg)	0.3 cubic feet (0.008 cubic meter)
45 lb (20.4 kg)	0.34 cubic feet (0.01 cubic meter)
60 lb (27.2 kg)	0.45 cubic feet (0.012 cubic meter)
80 lb (36.2 kg)	0.6 cubic feet (0.016 cubic meter)
90 lb (40.8 kg)	0.68 cubic feet (0.02 cubic meter)

Weight of one bag	40 lb.	50 lb.	60 lb.	80 lb.
No. Of bags required	28	23	19	14

How Many Bags of Concrete Do I Need?

How Many Bags of Concrete Do I Need?

Method - 1

Method - 2

Step-1: Calculate Volume of Concrete Required Pouring 10 X 10 Slab Thickness 4 inch

Step-2: Adding 10% of Extra Volume

Step-3: Find Out How Many Bags of Concrete Do I Need

Different Brands of Dry Mix Concrete Bags

How Many Bags of Concrete Do I Need for Slab with 4” Thickness?

Method - 1

Method - 2

Step-1: Calculate Volume of Concrete Required Pouring 5 X 5 Slab Thickness 4 inch

Step-2: Adding 10% of Extra Volume

Step-3: Find Out How Many Bags of Concrete Do I Need

How Many Bags of Concrete Do I Need for Slab with 5” Thickness?

Method - 1

Method - 2

Step-1: Calculate Volume of Concrete Required Pouring 5 X 5 Slab Thickness 5 inch

Step-2: Adding 10% of Extra Colume

Step-3: Find Out How Many Bags of Concrete Do I Need

How Many Bags of Concrete Do I Need for Slab with 6” Thickness?

Method - 1

Method - 2

Step-1: Calculate Volume of Concrete Required Pouring 5 X 5 Slab Thickness 6 inch

Step-2: Adding 10% of Extra Volume

Step-3: Find Out How Many Bags of Concrete Do I Need

How Many Bags of Concrete Do I Need for Slab with 8” Thickness?

Method - 1

Method - 2

Step-1: Calculate Volume of Concrete Required Pouring 5 X 5 Slab Thickness 7 inch

Step-2: Adding 10% of Extra Volume

Step-3: Find Out How Many Bags of Concrete Do I Need

How Many Bags of Quikrete Do I Need?

Different weights for a 5 'x 5' x 4 "slab size in a hair bag are as follows.

Weight of one bag

No. Of bags required

Different weights for a 5 'x 5' x 5"slab size in a hair bag are as follows.

Weight of one bag

No. Of bags required

Different weights for a 5 'x 5' x 6"slab size in a hair bag are as follows.

Weight of one bag

No. Of bags required

Different weights for a 5 'x 5' x 8"slab size in a hair bag are as follows.

Weight of one bag

No. Of bags required

How Much Concrete Do I Need?

Bags of Concrete

Quikrete Super Sacks

Mixed Cement Bags

Lightweight Concrete Bag Mix

Concrete Mix Ready to Use

Quikrete Rip Rap

80 lb Quikrete Concrete Mix

Concrete Grout Bags

Small Bag Concrete Mix

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