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1.23 cubic yards. Adjusting for safety, you should order a minimum of 1.5 cubic yards. 1.5 cubic yards is a whole lot of mixing. Most concrete compnay's have a minimum order of 3 to 7 cubic yards of concrete on each load, so if you need less than five yards, it might start to get more expensive. If you have another small project you can do at the same time with the additional concrete, that might be a great way to stretch your dollars.

To calculate other structures you might need, I'll post a link to a calculator.

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12y ago

What else can I help you with?