







Calculating volume of concrete, dirt, sand, anything. 
20061117 

Debbie pose la question : [This article contains a special calculator to help you find the volume (for example, the cubic yards) of material required to fill (or empty) a space if you know the length, width and depth.]
We are wanting to pour a 24'x30' slab that is 5" deep. How many cubic yards of cement do we need? Penny Nom lui répond. 





A concrete driveway 
20140803 

Jonathan pose la question : How many 90 pound bags of concrete will fill in a 3 inch deep, 20 foot long, 12 feet wide driveway? Harley Weston lui répond. 





A formula for determining concrete volume in cu. yd. 
20140319 

Steven pose la question : I know a couple of formulas for determining concrete volume in cu.yd. the one I use most frequently is length in feet x width in feet x thickness in inch. Divided by 324. It works every time. Where does the number 324 come from. Penny Nom lui répond. 





An extension using concrete blocks 
20131030 

david pose la question : hi how many concrete blocks would i need for an extension 50 ft long ,20 ft wide and 12ft height Penny Nom lui répond. 





A sloped concrete wall 
20131030 

Brad pose la question : We are planning on pouring concrete in a wall form that is sloped. One end is 73 inches tall, and it tapers to 24 inches tall over a distance of 348 inches. It is flat on bottom and sides and is 12 inches thick. Thanks. Penny Nom lui répond. 





A concrete walk around a pool 
20130918 

poornima pose la question : circular Swimming pool is surrounded by a concrete walk 4 feet wide, if the area of the walk is 11/25 of the area of the pool, then the radius of the pool in feet is Penny Nom lui répond. 





1,990 cubic yards in gallons 
20130716 

Tayler pose la question : You have 1,990 cubic yards of concrete to pour.
If the average swimming pool holds 25,000 gallons, how many pools can
Be poured with the 1,990 cubic yards of concrete.
1 cubic yard= 27 cubic feet Penny Nom lui répond. 





Surrounding a pipe with concrete 
20130611 

jeanne pose la question : I need 2 inches of cement around a 20 inch pipe that is 20 feet long. Thank you. Penny Nom lui répond. 





Bags of premixed concrete 
20130412 

Bruce pose la question : Hello there,
I need two cubic yards of concrete for a playgound I am
installing for my kids. That much i have figured out. I am stumped
over the number of 25kg bags of premixed concrete i will need
to accomplish my goal.
Your help would be greatly appreciated.
Thanks
Bruce Harley Weston lui répond. 





Gravel, sand, cement and an equilateral triangle 
20120321 

saheed pose la question : how many tonnes of gravel and sand,bags of cements will be required to concrete 5feet depth/deep of 4feet equilateral triangle? Harley Weston lui répond. 





Blocks in a wall 
20110912 

JOHN pose la question : HOW MANY BLOCK WILL IT TAKE TO BUILD A 28*48 HOME, ON A FOOTER THAT IS DONE ALREADY, I WANT TO GO TEN HIGH. Harley Weston lui répond. 





Volume of concrete 
20110403 

john pose la question : I have 1200 square foot that i need to fill at 4 inches deep. how many cubic yards of concrete will i need? and how do I figure this? Penny Nom lui répond. 





Disposing of some concrete 
20100812 

Kathy pose la question : We are needing to dispose of concrete that we are tearing out of our
backyard and I need to figure the dimensions and weight.
I figured we have approx. 419 sq ft of concrete at 4" thick.
Could you tell me the how much that comes to in cubic ft,
cubic yards and weight. So I can get some estimates on pricing to
haul off and dispose of. thank you Harley Weston and Tyler Wood lui répond. 





How much concrete do I order? 
20100501 

Carol pose la question : We are having a block foundation installed under our house that measures 80ftX28ft and I need to know how to figure out how much concrete to order. The footer will be 12 inches wide and 4 inches deep all the way around the house. How do I figure the square footage of my house? I know area = LxW but do I double that since there 4 sides to my house? Penny Nom lui répond. 





The length of a sidewalk 
20100119 

Les pose la question : I have a sidewalk 4"thick,4ft. wide,and I have 2cubic yards of concrete. What is the length of my sidewalk? Penny Nom lui répond. 





A concrete slab 
20091210 

Mark pose la question : there are 30 cubic yards of concrete, how many feet will it cover with a 4" slab? Penny Nom lui répond. 





A path around a pond 
20091031 

adeniji pose la question : find the area of a concrete path 2m wide surrounding a circular pond 12m in diameter Penny Nom lui répond. 





Cubic feet of concrete 
20090924 

aLAN pose la question : How many CF of concrete does it take to pour a 1000 SF area with concrete at 4" thick?
I would like to see the steps and how you approach this too...thanks Penny Nom lui répond. 





Number of Concrete Blocks 
20090806 

Simone pose la question : Hi there,
I have a quote to complete and I need to figure out the formula that will tell me how many concrete blocks I need to cover a certain area.
Blocks can either be 8in or 12in. The area that I am looking to cover with blocks is 30182 sq ft.
Thank you for your assistance. Janice Cotcher and Stephen La Rocque lui répond. 





A concrete slab 
20090423 

Robin pose la question : how much concrete will i need for a slab that is 14' x 18' and 4 inches thick..tried
but still can not figure it out. what i really need to know is how much of each will i need, cement, gravel and sand.
Thanks robin Harley Weston lui répond. 





310,000 cubic yards of concrete 
20090331 

Mary pose la question : I am interested in getting a good, general analogy for 310,000 cubic yards of concrete 
ideally as a length (miles) or distance between two US cities. Thanks! Penny Nom lui répond. 





Concrete around a pipe 
20090114 

Doug pose la question : How much concrete will i need for a hole that is 20 feet deep 20 inches in
diameter with a 8inch pipe in it. I need to know how much concrete
on the outside of the 8inch pipe. Penny Nom lui répond. 





5 yards of concrete 
20090108 

jon pose la question : To mix 5 yards of concrete, how many loads will I need to mix in a 4.5 cubic
feet mixer? Thanks, jon Robert Dawson lui répond. 





100 yds of concrete 
20081228 

Carol pose la question : how much money is a 100 yds of concrete @ $80cy? Penny Nom lui répond. 





A cubic yard of concrete 
20081228 

David pose la question : assuming that one cubic yard of concrete is 4” thick and 3’ long, how many square feet does it cover?
the answer is 27 but im not sure how. i spent a lot of time and i still can't figure it out. thank you! Penny Nom lui répond. 





The cost of a foundation 
20081208 

carl pose la question : Hi, I need to work out the cost of a foundation.
The foundation is 1m deep x 500mm wide and is 6.3 meters long.
The cost per cubic meter for concrete is 1000 rand
escuvation of earth will be 100 rand per cubic meter and back filling wil also be
100 rand per cubic meter.
What will the cost be Harley Weston lui répond. 





Concrete around a pipe 
20081008 

mick pose la question : i am trying to find the area of concrete to be placed around a concrete pipe! Dimensions can be 12m wide by 5m wide by 7m deep and pipe been 8m by 600mm radius... Stephen La Rocque lui répond. 





The weight of a concrete cylinder 
20080918 

Curtis pose la question : I am trying to calculate the weight of a concrete cylinder. The diameter is 56" and the thickness or depth is 24". Can anyone help me? If possible I would like to see the formula as to how the answer was derived. Thank you Harley Weston lui répond. 





A concrete spectator area 
20080629 

Paige pose la question : an area of the school courts is 58.5m x 60.4m,
The spectator area is to be 2m wide and the concrete has to be 10cm deep
Please can you calculate the volume of concrete needs for the spectator area? Penny Nom lui répond. 





Concrete blocks 
20080618 

marvin pose la question : How many cement blocks do i need to build a 8 ft. tall wall x 1,300 ft. long? Harley Weston lui répond. 





How many yards of concrete will I need? 
20080612 

Ron pose la question : I am putting up a flag pole, and I am trying to fiqure out how much concrete I need for the job. I have a round cardboard cement tube which is 18" across and 24" tall. The bottom of the tube will be filled with 3" of gravel and 3" of sand and the rest will be filled with concrete. Could you tell me how many yards of concrete I need. Harley Weston lui répond. 





The weight of concrete 
20080611 

Daniel pose la question : I need to calculate the weight of Concrete in a slab that measures 2' x 4' x 4" thick.
I am pricing out a job and have two different size stones to work with, the second stone measures
2' x 2' x 4". Harley Weston lui répond. 





810 slabs of concrete 
20080401 

Wesley pose la question : I'm making a 4" x 4" x 2" (Inches) concrete slab (approximately 750 of them, I'm going to plan for 810 for extra material). I'm trying to find out how many bags of cement I need. Each 60 lbs bag makes approximately .5 cu/ft. Harley Weston lui répond. 





How many bags of cement do I need 
20080330 

Joe pose la question : How many bags of cement do I need if I want to extend my carport 6 inches all around?
The carport is 15ft. x 15ft. and the existing slab is 4 inches thick. Harley Weston lui répond. 





A car tire full of concrete 
20080327 

robert pose la question : I want to build a volleyball net support. I am using a car tire 24"odx16"id filled with concrete. how much will this weigh? thanks Penny Nom lui répond. 





The volume of a countertop 
20080308 

Matthew pose la question : I need to calculate volume down to cubic feet. I pour concrete countertops
and cant figure out the formula to convert inches and feet. If I have a 2.5 inch
by 2 foot by 16 foot concrete countertop how do I convert it to cubic feet
and hence know how many bags of concrete at .6 cubic feet per bag I will need.
I am trying to input the formula into a spreadsheet. thank you so much Matt Penny Nom lui répond. 





Belledout pier 
20080128 

Gina pose la question : I need to know how to find the total yards needed to fill a concrete pier that is 54"/ 108" and 26' deep.
That is...54" @ the top of the pier belled to 108" @ the bottom...26' deep. Stephen La Rocque lui répond. 





A large concrete shape 
20080116 

Keith pose la question : what is the cubic yards of an area that is not a perfect 1/4 circle?
The dimensions are 100ft. x 60ft. x 125ft. curcumferal arch x 3ft. depth? Stephen La Rocque lui répond. 





Bags of concrete 
20071206 

Chris pose la question : I need 1 and one half yards of concrete for a project. If one bag is equal
to 0.38 cubic feet, how many bags will I need? Penny Nom lui répond. 





20 tubes of concrete 
20071014 

Fred pose la question : I have 20 8” concrete tubes to fill with 8'of concrete.
How much concrete will I need to order Stephen La Rocque lui répond. 





Mixing cement 
20071009 

Sandra pose la question : How many bags of cement do I need for a floor for a house that is 8meters long, 8meters wide and 50cm deep. Stephen La Rocque lui répond. 





400 square yards of sidewalk 
20070927 

Vanessa pose la question : I am having a small problem being a subcontractor
I'll having trouble calculating how much concrete it will take to pour a 400 square yard sidewalk 5' wide 4" depth can you show me the equation to figure out how many yards of concrete i will need. Can you help me please?
Thank you very much and have a wonderful day. Penny Nom lui répond. 





How many cubic yards of concrete? 
20070831 

Teresa pose la question : How many cubic yards of concrete are required for the structure with a bottom piece that is 8" high by 72" by 72", a side that is 8" by 72" by 60", another side that is 8" by 72" by 60 ", a side that is 8" by 72" by 60" with a circle cut out that has a radius of 18", and finally another side that is 8" by 72" by 60" that has a circle cut out that has a radius of 12". Stephen La Rocque lui répond. 





An irrigation ditch 
20070731 

Kevin pose la question : I would like to know how many cubic yards of concrete I would need to fill a section of irrigation ditch that measures 12 inches on the bottom, 40 inches on top, 16 inches high and 20 feet long with a 18 inch diameter, 20 foot long culvert sitting in the ditch (to remain open). I am trying to build a roadway across the irrigation ditch. Thanks very much. Penny Nom lui répond. 





Tons of concrete 
20070703 

Trey pose la question : I have 300,000 square feet of concrete and want to know how to convert this to tons? Harley Weston lui répond. 





A cylindrical slab of concrete 
20070630 

Kenn pose la question : I have a tank that needs a base of cement put in it. I dont know how to do this. The tank is 8 feet across and I want the cement to be 5 or 6 inches deep. Can you please tell me how much cement I need to do this. Harley Weston lui répond. 





A round pool 
20070612 

Gene pose la question : How many yards of concrete to put a 28' round pool...it is to be 4 inches deep Penny Nom lui répond. 





A bag of concrete 
20070529 

rick pose la question : I have a bag of concrete that will cover .525 cubic feet of space.
How many square feet will the same bag cover? Penny Nom lui répond. 





Concrete sand 
20070308 

david pose la question : Can you tell me how much 4 cubic yards of concrete sand ways in tons? THANK YOU. Stephen La Rocque lui répond. 





A steel pipe pile 
20070308 

Sean pose la question : Need to fill a 18" OD x 60 feet steel pipe pile with a wall thickness of 1/2" What is the amount of concrete I need in order to fill? Thank you Stephen La Rocque lui répond. 





How many yards of concrete? 
20070228 

jeremy pose la question : I need to figure how many yards of concrete to use. I work for an asphalt company, and we are expanding into concrete. Currently we measure everything in sq. ft. So we came up with 6,960 sq ft of concrete to remove and replace. Currently there is 6" of concrete, and 2" of bedding material. We would like to replace only 4.5" of concrete, the rest in bedding. Here is how I figured, am I correct. 6,960 Sq ft (to simplify I made the Sq ft 350 X 20 ) 350 ft X 20 ft X .33 (1/3 ft or 4") = 2,310 cubic feet 2,310 cb ft / 27 = 85.55 cubic yards Is this correct? Penny Nom lui répond. 





A concrete slab in the shape of a regular hexagon 
20070219 

Mandy pose la question : Hi, We are laying a concrete slab in the shape of a regular hexagon with each side being 2m long. The slab will be 10cm thick. How much concrete will we need? Thank you ever so much! Mandy Penny Nom lui répond. 





Concrete paving blocks 
20070129 

Engelbert pose la question : Readmixed concrete is sold by the cubic yard. A landscape contractor wants to form concrete paving blocks that are rectangular solids with dimensions 36 inches by 36 inches by 6 inches. Assuming there is no waste, how many such blocks can she expect to make from one cubic yard of concrete? (1 yard= 36 inches) Stephen La Rocque lui répond. 





Concrete slab 
20070126 

Cindy pose la question : How much concrete will it take to pour a slab 16ft.By 18ft. 3inches deep Penny Nom lui répond. 





A circle of concrete 
20070116 

JoAnn pose la question : Help ! I need to know of many yards of concrete to order for a 14' circle  and 4" thick. Thanks ! Stephen La Rocque lui répond. 





Calculating "yards" 
20070113 

Donny pose la question : I want to learn how to figure out how many tons and yard are needed to do driveways and parking lots. OK from what I've read on the net i think its length width=square feet . i think i get that but i can figure out how to do the height . i understand a 6in would be 0.5 but how bout if its 2ins or 4 in . how do I put the the fraction in to working form. Penny Nom lui répond. 





Building a corral 
20061122 

Dennis pose la question : I'm building a corral and need to know how many holes 6"x24'' in a yard of concrete Stephen La Rocque and Penny Nom lui répond. 





Yards of concrete 
20061115 

Tina pose la question : How many yards of concrete to cover a 20 x 100 area 4 inches deep? Penny Nom lui répond. 





Concrete tubes 
20061023 

Rick pose la question : I have 36 18” concrete tubes to fill with 36” of concrete. How much concrete will it take to do this job Stephen La Rocque lui répond. 





A concrete foundation 
20061002 

A homeowner pose la question : I am pouring a concrete foundation 8" X 14" X 23'. How many cubic feet of concrete do I need? Penny Nom lui répond. 





We need to know how many cubic yards of concrete to order for the job. 
20060925 

Linda pose la question : We are pouring an additional drive way and shop in our back yard. The total square foot of all the concrete is 1200 and the concrete will be 3" deep. We need to know how many cubic yards of concrete to order for the job. Penny Nom lui répond. 





A hexagonal concrete form 
20060909 

Lewis pose la question : How many cubic yards of cement will be required to fill a hexagonal concrete form with equal 12 foot sides that will be 3 feet thick? Penny Nom lui répond. 





How much cement would I need? 
20060907 

Lou pose la question : At a five to one mix how much sand/gravel and how much cement would I need for a 71/2 yard pour?
What formula would I use for this calculation. My sand/gravel is in a cone shaped pile and I know how to calculate that. I need to know if I have enough and how many bags of cement I need to buy. I will be using a engine operated cement mixer Harley Weston lui répond. 





What is the total cost of a driveway ... 
20060829 

Ismael pose la question : What is the total cost of a driveway 15' wide, 40' long and 4" thick if the concrete costs $60.00 per cubic yard and the labor costs $1.25 per square foot? Stephen La Rocque lui répond. 





A concrete floor 
20060827 

Cecelia pose la question : We are going to pour a concrete floor for a porch and would like to know how many yards of concrete it would take.
The measurement is32 feet long and 6 feet wide with a depth of 5 inches. Could you tell me how to figure this or how many yards I will need so I will have an idea of the cost. Penny Nom lui répond. 





I am pouring cement 
20060822 

David pose la question :
I AM POURING CEMENT
8FT. X 8 FT. X 4 INCHES
8FT. X 8FT. X 5 INCHES.
8FT. X 8FT. X 5 1/2 INCHES.
WHAT IS THE FORMULA?
Penny Nom lui répond. 





A concrete semicircle 
20060815 

John pose la question : I have to figure out how many yards of concrete I need for a semicircle. I have a radius of 21 feet and the concrete is 4" thick. I took 3.14 x (21)^2 then divided by 40 to get how many yards of concrete but that doesn't seem right. Penny Nom lui répond. 





How many bags of concrete will we need to use? 
20060720 

Sue pose la question : We are trying to pour some concrete
The area measures 26 ft long x 20 in wide. We want to pour the concrete 3 in thick.
One bag covers .41 cu. ft.
How many bags of concrete will we need to use? Penny Nom lui répond. 





Concrete for a chicken coop floor 
20060713 

Chelsea pose la question : How much concrete for a chicken coop floor? The dimentions are 3 slabs, 30 feet long and 4 inches thick, 6 feet 6 inches wide. One slab is 41 feet long, 6 feet 6 inches wide, and 4 inches thick. Stephen La Rocque lui répond. 





Cement for a large patio 
20060713 

Jim pose la question : I have a 60' by 100' patio. I am wanting to raise it 1 foot. The truck carrying the cement can only hold 10 cubic yards. How many truck loads would I need? Stephen La Rocque lui répond. 





Concrete for a porch 
20060704 

Sherry pose la question : I'm having a porch,the measurement is 3in.deepx10ft.wide x52ft.long how many yards is that i need? the concrete truck wont deliver unless it 5yards or more. Stephen La Rocque lui répond. 





I have a trench to fill with concrete 
20060611 

A builder pose la question : i have a trench to fill with concrete the size is [57 feet long .x 18 inches wide. x 39 inches high.]would like to know how much concrete should i order. Penny Nom lui répond. 





Putting in a sidewalk 
20060531 

Sandra pose la question : I am putting in a sidewalk the measurements are 12 feet by22 inches ,by 4inchs how many bags of cement will I need? Penny Nom lui répond. 





A concrete driveway 
20060521 

Diane pose la question : I am trying to estimate how many cubic yards of concrete I will need to pave my driveway. I have an area that is 30 ft wide by 25 ft long and then goes into an area that is 10 ft wide by 219 foot long. I would like to make this 4 inches thick. How many cubic yards of concrete will it take to do this? Penny Nom lui répond. 





Cubic yards of concrete 
20060321 

Shane pose la question : I need to know how many cubic yards of concrete is needed for a 4" thick driveway and 18' wide and 27' long. What formula do I need to use? Penny lui répond. 





Cubic feet to cubic yards 
20060312 

Sandy pose la question : We need to convert feet to cubic yards. The concrete is 45ft by 10ft by 4ft. How many cubic yards is this? Penny Nom lui répond. 





A concrete slab 
20060213 

Cheryl pose la question : A concrete area that will be used for picnic benches will measure 20 ft on each side. The concrete slab will be 8 inches deep. How many cubic feet of concrete will be needed to construct the patio? Penny Nom lui répond. 





Concrete in a foundation 
20060208 

Philippe pose la question : Can you please help me determine how many cubic yard of concrete I need to purchase for a foundation that is 50' by 25.5 by 8' height and how many cubic yard would I need for the slab that is 50' by 25.5 by 0.5 Penny Nom lui répond. 





Concrete tubes 
20060114 

Paul pose la question : I have 15 tubes. Each tube measures 12in.x 48in. I have to fill each one with concrete. How do I figure how many cubic yards of concrete I will need? Penny Nom lui répond. 





A concrete patio 
20051206 

Anne pose la question : If you are making a concrete patio 4 inches thick, what is the area of the largest patio you could make if you ordered 2 cubic yards of concrete? Penny Nom lui répond. 





Cubic yards of concrete 
20051106 

Cyndi pose la question : I have a carport that is 20' x 31' and a driveway that is 12' x 18' that requires a 3" depth of concrete.
I need to now how many cubic yard it will need to complete these two areas. Penny lui répond. 





A concrete slab 
20050729 

Armand pose la question : I am
planning to pour a concrete slab over an existing slab in my garage
which is very uneven, with a depth variation from 2 1/2 inches to 5 1/2
inches from level. I'm afraid to over estimate concrete since it will be
wasted but worse, I'm afraid to underestimate. I've broken the slab down
into four sections with the following being the four dimensions, can you
tell me how much concrete I will need please, I would very much
appreciate your help.
1 6ft/8in x 20ft x 4 1/2 in. thick
2 16ft/10in. x 20ft x 3 1/2 in. thick
3 6ft/6in. x 16in. x 5 1/2 in. thick
4 6ft/6in. x 8ft. x 4in. thick
Penny Nom lui répond. 





Cubic feet of concrete 
20050523 

Robert pose la question :
REQUIRED CUBIC FEET OF CONCRETE TO POUR AN EXTENDED PAD
8 FEET X 8 FEET X 6 INCHES DEEP
Penny Nom lui répond. 





The cost of concrete 
20050308 

Cathy pose la question : Compute the cost of ready mixed concrete for a driveway 70ft long, 10ft wide, 3 inches deep at a cost of $30.00 per cubic yard Penny lui répond. 





The weight of some concrete 
20050215 

Jordan pose la question : I have 6 acres of concrete that is 3 feet thick the aprox. weight of 1 cubic yard of concrete is 4024 pounds I am trying to find out how much my 6 acres weighs. fortunately my concrete is 3 feet deep. Penny Nom lui répond. 





Cubic yards of concrete 
20040929 

Tanya pose la question : We are starting up a new business and for the business we will be required to order concrete for various shapes. Right now we have a job that requires a concrete slab that a decagon it is 1403/4" from flat side to flat side, 74" from point to center and each flat side is 46" The pad should be 4" thick with 12"x12" continuous footing. Harley Weston lui répond. 





Cubic yards 
20040901 

Garnet pose la question : I have the dimensions of 16 feet by 10 ft and 3 1/2 inches deep how much concrete do I need. Penny Nom lui répond. 





Cubic yards 
20040712 

A homeowner pose la question : I would like to know how many cubic yards are in the following; 20 ft wide x 80 ft long x 4 inches thick?
I am trying to figure out how much concrete I will need to pour for a driveway. Penny Nom lui répond. 





Yards in a concrete driveway 
20040427 

Bobbi pose la question : I am wondering how many yards of cement I need for a 49 by 45 area, 5 inches thick. I am a stay at home mom who is not very good at math and I want to pave my drive way. Also what would the yardage be for a 6 inch thick drive way with the same area. Penny Nom lui répond. 





Cubic yards in a concrete wall 
20040118 

Danny pose la question : I am studing for my contractors exam. I am haveing truble with a few questions. I have the answer to the problems but I dont know how to get them my self. please help
How many cu. Yds. Of concrete are in a wall that is 150' long and 8'4" high an d 8' thick Penny Nom lui répond. 





Cubic yards of concrete 
20031102 

John pose la question : The foundation is 20' X 20' and the depth is 6", there are also three footings that are 20' X 12" X 12" each. Can you show me the equation to figure out how many yards of concrete I will need to pour the footings and foundation. Harley Weston lui répond. 





Yards and cubic feet 
20030811 

Sonya pose la question : How many cubic feet are in a yard? Penny Nom lui répond. 





Cubic yards of concrete 
20020824 

Michael pose la question : if you have a 10" dia pipe 8' long how many cubic yards would it take to fill with concrete. how how would you go about figuring it out. and also if you would how many cubic feet, cubic inches in a cubic yard. i know you don't need to answer, seeing i am not in school, but would appreaciate it. Penny Nom lui répond. 

