Actually, you do not even have to buy one. There are many readily available free ones online that hosts are allowing one to use freely. Lowes has an online concrete calculator.
You can purchase a concrete calculator at a hardware store near you. As well, there are many online stores that sell them, and you can buy the device from them; however, you will have to pay for shipping and handling.
A concrete calculator helps one determine how much concrete will be needed for a pour. To get an accurate reading, one needs to have the length, width and thickness desired.
I was thinking about getting some concrete pavers. How much would it cost me to buy them?
Buy a good calculator.
Estimating concrete prices is not an easy exercise, as many factors are involved in pricing concrete. Some of these factors include the following: grading, subbase preparation, concrete forms and finishing, reinforcement, and the cost of concrete.
There are many different places one might go to obtain a concrete calculator. In addition to a home improvement store, one might also check with a local construction company.
Go to this website and they have a concrete calculator for just such a thing.http://www.sonotube.com/tools/concrete_calculator.html
Buy it at a store or click on the start button then write calculator on it. I highly suggest you buy it at a store
A decent calculator, sufficient to handle student mathematic calculations, can be purchased on the high street or from Amazon or similar, for about £10 or $15.
Here's a link to a great concrete calculator that will compute that for you!
Check out these sites. This has a concrete calculator that will tell you what you need. http://www.raineri-materials.com/redimix/rm-calc.htm http://www.hansonaggeast.com/calc_concrete.cfm
With a calculator