How much does 1 bag concrete cover?
A: Each 80 lb bag of QUIKRETE® Concrete Mix yields 0.6 cubic feet when placed. The square-foot coverage will depend on the thickness of the pour. If your measurements are in feet, each inch of thickness will require 7-2/3 80-pound bags of concrete.
One 94 lb. bag of Portland Cement makes 4.5 cubic feet of concrete. For thicknesses less than 2 inches and toppings, use: 1 part of Portland Cement with 3–4 parts of concrete sand or general purpose sand.
How many bags of concrete are in a yard? To produce one yard of concrete, you'll need to use about 45 80-pound bags (or 90 40-pound bags).
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.
One 80lbs bag of Quikrete Concrete Mix will yield approximately . 60 cu ft. So it will take 45 bag to equal one cubic yard of concrete. If you have a project over a 1/2 a cubic yard you should consider our Mix On-site Concrete especially if you are hand mixing.
A: Each 50-pound bag of QUIKRETE® 5000 Concrete Mix will yield approximately 3/8 cubic feet. To pour a 60 square foot slab at 6” thick, you will need 30 cubic feet of concrete, or 80 50-pound bags.
A: Each 50-pound bag of QUIRKETE® Concrete Mix yields approximately 0.375 cubic feet.
One bag of cement, 94 pounds, divided by 196.6 pounds (solid weight of cement ) = . 48 cubic foot.
Concrete typically takes 24 to 48 hours to dry enough for you to walk or drive on it. However, concrete drying is a continuous and fluid event, and usually reaches its full effective strength after about 28 days.
Long story short, yes you can pour concrete over dirt.
Is it cheaper to pour your own concrete?
Is it cheaper to pour concrete yourself? Yes. In general, you can save up to 40% or more if you pour a concrete slab yourself. If you decide to mix your own concrete, you can save even more.
Helpful? A: Each 60-pound bag of QUIKRETE® Concrete Mix will yield approximately 0.45 cubic feet. The square foot coverage will depend on the thickness of the application. If you are using standard 2x4” lumber for your forms, each bag will cover an area of 1-1/2 square feet.
Rebar is not necessary for every concrete project. The general rule of thumb is that if you are pouring concrete that is more than 5 inches in depth, you are probably going to want to add in some rebar to help reinforce the entire structure.
Fortunately, whether you plan to make a patio slab or a driveway, working in small areas divided by concrete forms and using bagged concrete mix can make the job easier for a DIYer.
| SONOTUBE | ||
| # of bags required per: | 25 kg | 25 kg |
| 8" x 4' tube | 3.2 | 6.5 |
| 10" x 4' tube | 5.1 | 10.1 |
| 12" x 4' tube | 7.3 | 14.6 |
80 lb. bag yields 24 square feet of coverage at 3/8″ or 12 square feet of coverage at 5/8″. 3,000 lb. bag yields 900 square feet of coverage at 3/8″ thick or 450 square feet of coverage at 5/8″ thick.
A 60 lb bag will yield . 017 cubic yards of concrete, an 80 pound bag will yield . 022 cubic yards. So to break this down you would need 78 60lb bags of concrete mix 61 80lb bags of concrete mix which accounts for the extra 10% that we discussed earlier.
If you know the length, width, and height of the space that you want to fill with concrete, then you can plug those measurements into a simple formula (length x width x height = volume) to get the precise quantity of concrete needed for a project.
A 40 pound bag of concrete would cover 1 square feet. On average, one sack or bag of concrete will cover approximately 1 to 2 square feet at 4 inches thick slab. One 80 pound bag of concrete would cover 2 square feet and 60 pound bag 1.5 square feet.
One Cubic Yard of Concrete: 4-inches thick – covers 81 square feet.
How thick should a concrete slab be?
Standard concrete floor slab thickness in residential construction is 4 inches. Five to six inches is recommended if the concrete will receive occasional heavy loads, such as motor homes or garbage trucks. To prepare the base, cut the ground level to the proper depth to allow for the slab thickness.
Each 80-pound bag of QUIKRETE® Concrete Mix will yield approximately 0.6 cubic feet when mixed, so for an 8” thick slab 40' by 15' in size, you will need 400 cubic feet of concrete, or 667 80-pound bags. Yields will vary with waste, uneven subgrade, etc.
A: Each 60-pound bag of QUIKRETE® Concrete Mix will yield approximately 0.45 cubic feet.
You would need 80 bags of 50 kg each to construct a roof slab of 1000 sq. ft. area and slab thickness of 4 inches.
A: Each 50-pound bag of QUIKRETE® 5000 Concrete Mix will yield approximately 3/8 cubic feet.
60 Bags of 60 lb concrete make a yard or concrete. 45 Bags of 80 lb concrete make a yard or concrete.
80 lb. bag yields 24 square feet of coverage at 3/8″ or 12 square feet of coverage at 5/8″. 3,000 lb. bag yields 900 square feet of coverage at 3/8″ thick or 450 square feet of coverage at 5/8″ thick.
A: Each 60-pound bag of QUIKRETE Concrete Mix yields approximately 0.45 cubic feet when mixed. To fill a 24" square hole, 12" deep you will require 4 cubic feet, or 9 60-pound bags of QUIKRETE Concrete Mix. Yields are approximate and will vary with waste, uneven subgrades, etc.