Calculate the amount of concrete you will need from an area measured in square feet. Formula Cubic feet = S * D where S is the area in square feet D the depth of the area in inches Example Calculation slab has an area of 425 square feet the average depth is 4 inches First convert the 4 inches to feet by dividing by 12.
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How much concrete will I need calculator?
Oct 10, 2019 · Concrete Calculator for Slabs, Square Footings, or Walls. Simply enter the shape, width, thickness or height, quanity needed and then hit enter. (678) 846-3127. Email Us. SERVICES; ... Concrete Calculator. Slabs, Square Footings, or …
What is the formula for calculating concrete?
Calculate the amount of concrete you will need from an area measured in square feet. Formula Cubic feet = S * D where S is the area in square feet D the depth of the area in inches Example Calculation slab has an area of 425 square feet the average depth is 4 inches First convert the 4 inches to feet by dividing by 12. 4 ÷ 12 = 0.3333
How do you estimate concrete?
Apr 23, 2018 · Here’s what the math looks like for a 10’ by 10’ concrete patio: 10 x 10 = 100 square feet; 4 ÷ 12 = .33; 100 x .33 = 33 cubic feet; 33 x .037 = 1.22 cubic yards; Essentially you are solving for volume and then converting to cubic yards. For concrete, the formula for volume is as follows: length x width x thickness.
What is the average cost per square foot for concrete?
Dec 15, 2021 · Concrete Cost Calculator estimates the cost of concrete per square foot. Calculate how much concrete you need per yard, or to pour a slab of concrete. Ready - mix concrete costs $98-99 per cubic yard. The average cost of a concrete slab (6 inches thick) is $5.00-5.50 per square foot, including materials and labor.
How do you calculate concrete square footage?
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.
How much concrete do I need calculator?
How do I calculate how much concrete I need for a slab?Measure the area in feet.Multiply length by width, and then by thickness.Divide the resulting number by 27 to find cubic yards.
How many yards of concrete do I need for a 12x12 slab?
Regarding this, “how much concrete do I need for a 12×12 slab?”, at 4 inches thick, generally you will need approximately 1.76 cubic yards or 47.52 cubic feet or 1.35 m3 (either 104 bags of 60lb or 80 bags of 80lb) of premixed concrete for a 12×12 slab, at 5 inches thick slab, 2.22 cubic yards or 59.90 cubic feet or ...
What is the formula for calculating concrete?
Use the formula. Calculating the volume for concrete requires using three dimensions: length times width (which is area) times the height (thickness) or L x W x H. If you are using feet as your standard unit of measurement, this formula will give you the volume of concrete in cubic feet.
How much concrete do I need for a 10x10 slab?
At 4″ thick, for a 10×10 slab, generally, you will need 1.23 cubic yards or 33 cubic feet or either 74- 60lb or 56-80lb bags of premixed concrete.
How many bags of concrete do I need for 100 square feet?
Number of cement bags are required for 100 sqft 6 inch slab = 11.4 bags.
How do I calculate how much concrete I need for a slab?
Multiply the width times the length times the height (W × L × H), or use our volume calculator to find the cubic feet. Convert the volume to cubic yards from cubic feet. To do so, divide the cubic footage by 27 to get the yards of concrete needed.
How many square feet is a yard of concrete 4 inches thick?
81 square feetOne Cubic Yard of Concrete: 4-inches thick – covers 81 square feet.
How much concrete do I need for a 4x8 slab?
At 4 inch thick, for a 4×8 slab, you will need either twenty three 60- pounds or eighteen 80- pounds or thirty six 40- pounds bags of concrete. Thus, either 23- 60lb or 18- 80lb or 36- 40lb bags of concrete will be required for a 4×8 slab at 4″ thick.
How many sq ft does a yard of concrete cover?
Concrete volume is measured in cubic yards. When poured on a perfectly level surface, one cubic yard will cover 27 square feet at one foot thick.
How do you figure cubic feet of concrete?
To determine how many cubic feet you need for a hole, measure the length, width, and thickness together, all measured in feet. So a 4" thickness is 4"/12" or 0.333 feet. The result of this Length x Width x Thickness multiplication is cubic feet.
How many yards of concrete is 24x24?
7.11 yardsFor example, for a concrete slab that is 24' X 24' X 4”, simply enter 4 in the Thickness/Depth field, 24 in the Width field, and 24 in the Length field. Click “Calculate”. Your answer should be 7.11 yards. Note: The Concrete Volume Calculator can also be used to determine yardage for aggregate products.
How is concrete made?
Since concrete is a mixture of different compounds, so it is made by combining some of the materials together in a perfect proportion. The perfect proportion of the material is the key to make concrete durable and long lasting. First of all, the paste is prepared to form a perfect mixture.
How is cement paste obtained?
The paste is obtained by combining cement and the water in a proper proportion which depends upon the thickness of the paste. When the mixture is coated with the small and large aggregates and then it completely dries, then it obtains a form or solid rock, which is basically called concrete.
What is bagged concrete?
Ideally, bagged concrete is great for sidewalks, patios, posts for fences/mailboxes, repairs to foundation walls, walkways, steps, small curbs, ramps, decks, pergolas, walls and more.
Calculator Use
Calculate volumes for concrete slabs, walls, footers, columns, steps, curbs and gutters. Enter dimensions in US units (inches or feet) or metric units (centimeters or meters) of your concrete structure to get the cubic yards value of the amount of concrete you will need to make this structure.
Curbs & Gutters
We calculate the volume in sections from the ground to the top of each section. The Curb and Gutter are each a section.
Should I order concrete by the yard from a ready mix company or just use bags?
Larger jobs such as driveways are easier to complete when ordering concrete by the yard, rather than trying to mix bag after bag by hand. For smaller jobs, like a walkway, modest patio or footings, you should calculate the number of concrete bags instead.
Calculating the amount of concrete needed for slabs (including odd shapes)
Rule of thumb: add 1 / 4 " to the thickness of your slab for your slab concrete budget. This assumes you have the job evenly graded to the right depth, and the grade is well compacted.
Calculating the amount of concrete needed for footings
Footings will rarely follow the drawing exactly. In rocky soil the footings may collapse when big rocks are excavated
Estimating concrete steps
Steps seem tricky to calculate but are not. If there are three steps leading up to a porch:
Calculating the amount of base fill
Granite Construction has an excellent base fill calculator on their site. Use this to figure how much material you need for the subgrade.
Requesting your ready mix supplier to visit your site
After you have chosen a Ready Mix Supplier, have a representative come to your site to give his/her opinion on the quantity required. Compare the figure with what you came up with. Discuss any variances with the supplier.
How much does concrete cost per square foot?
Across the US, homeowners report that ready – mix concrete costs about $98-99 per cubic yard.#N#The average cost of a concrete slab (6 inches thick) is $5.00-5.50 per square foot, including materials and labor. However, the price can go up to $9-10 per square foot depending on numerous factors and enhancement costs.
How much does stamped concrete cost?
Costs for stamped concrete vary greatly; starting at around $8 per square foot, all the way up to $20+ per square foot. Most homeowners pay a mid-range price ...
How much does a concrete overlay cost?
The average cost of this overlay starts at $3-5 per square foot, but can go up to as much as $12-15 per square foot depending on the complexity of colors and patterns you want.
What is the benefit of concrete pavement?
Another huge benefit is that concrete pavement requires minimal maintenance compared to other materials. To achieve a custom look, contractors use various types of colors such as stains and powered pigments, and combine them with an array of patterns and textures.
How many square feet is a driveway?
The area of the driveway is 1,080 square feet (60-feet x 18-feet). According to the table above, one cubic yard of concrete placed at a thickness of 5-inches covers 65 square feet.
Can batch plants produce concrete?
But job sites are not perfect, and batch plants cannot produce concrete to such exacting volumes. To allow for spillage during placement, form movement, uneven subgrade, and consolidation, most contractors order 10% to 15% more concrete than the computed volume for the forms, and round up to the nearest quarter yard.
What are the factors that determine the price of concrete?
Some of these factors include the following: grading, subbase preparation, concrete forms and finishing, reinforcement, and the local cost of concrete.
What factors affect the cost of concrete?
Factors that influence the cost of decorative concrete: 1 The number of colors used 2 The number of stamping textures used 3 The detail of the design (i.e. complicated patterns are expensive) 4 Special details such as embeds (common in countertops) 5 Specialty form or mold work (i.e. curves and unique shapes cost more) 6 Level of polishing
What is more expensive, concrete or stone?
Outdoors, asphalt, plain concrete and gravel are more affordable, while natural stone and pavers are more expensive. Indoors, laminates and ceramic tiles will cost less, while granite, marble and hardwood will cost more. Decorative concrete is great if you can afford to spend some extra money but don’t want to break the bank.
What materials are used for concrete?
The typical materials used are concrete mix, forming supplies, texturing and coloring products, sealers, etc. Labor will vary depending on your project - its size, whether you have new or existing concrete, how detailed the decorative work will be and more.
What is needed to repair cracks in concrete?
Reinforcement is required because all concrete cracks, so if you want your cracks to remain small, you'll need reinforcement. Wire mesh, re-bar, plastic mesh, and fiber in the mix are all commonly used materials.
What is decorative concrete?
Decorative concrete is a good option for homeowners that want a high-end look without the high-end price tag. Concrete is a versatile material that can be used for floors, countertops, patios, driveways and more. Techniques such as stamping, staining and polishing, can transform concrete to look like flagstone, marble or other expensive materials at a fraction of the cost.