Basic Calculations - 100/month. Required link back.
Customize Calculations - unlimited. Customizable. No link.
Cubic Yards to be filled = (L * W * (thickness in inches/12) / 27)
Do you want to calculate how much concrete you need for your project? Our free Concrete Calculator makes it easy to find out how many yards of concrete you need. Simply enter in the desired width, length, and concrete thickness. Press calculate and you have the answer! Learning how to calculate the amount of concrete needed is easy when using our concrete formula and online concrete calculator. If you are planning on buying bags of premix concrete then check out our Premix Concrete Calculator (how many bags to buy). Give it a try and then be sure to try out our other calculators as well!
For size = 6 inch:
Cubic Yards to be filled = (L * W * 0.5 / 27);
For size = 8 inch:
Cubic Yards to be filled = (L * W * 0.67 / 27);
For size = 12 inch:
Cubic Yards to be filled = (L * W * 1 / 27);
How to Calculate Concrete
Let's be honest - sometimes the best concrete calculator is the one that is easy to use and doesn't require us to even know what the concrete formula is in the first place! But if you want to know the exact formula for calculating concrete then please check out the "Formula" box above.
Add a Free Concrete Calculator Widget to Your Site!
You can get a free online concrete calculator for your website and you don't even have to download the concrete calculator - you can just copy and paste! The concrete calculator exactly as you see it above is 100% free for you to use. If you want to customize the colors, size, and more to better fit your site, then pricing starts at just $29.99 for a one time purchase. Click the "Customize" button above to learn more!