Enter your project dimensions — our AI calculates exactly how many bags of concrete mix you need, the total cost, and links you straight to purchase.
Whatever you're pouring yourself, get the numbers right before you start mixing.
Buying too much wastes money, too little stalls your project — our calculator above solves this.
Calculate it →A great beginner DIY project — here's how to do it right the first time.
Get the guide →One of the most common small DIY cement jobs — simple with the right technique.
Learn how →Driveways and foundations are best left to contractors — we can connect you.
Get contractor help →A rough estimate of total material cost by project size, based on standard bag pricing.
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The tools that make a DIY pour go smoothly.
📘 Or grab our free The DIY Concrete Project Guide →Describe your DIY project and get plain-English guidance on materials and process.
Tell us about your project and your ZIP. We'll connect you with local concrete contractors for anything beyond a small DIY pour — free, no obligation.
Get contractor helpFor larger contractor-scale projects, our sister site has a project cost estimator and contractor matching.
Get a contractor cost estimate →Everything you need for a small DIY pour. Prices vary — check current cost on Amazon.
A 6-page, plain-English guide: calculating exactly how much concrete you need, step-by-step small pour instructions, and when to call a professional instead.
We send homeowners with projects too large for DIY straight to available local pros. List your business to start receiving requests.
It depends on the volume in cubic feet — a standard 60 lb bag covers roughly 0.45 cubic feet, and an 80 lb bag covers about 0.6 cubic feet. Use our calculator above for an exact count based on your project dimensions.
Fast-setting mixes (commonly used for fence posts) firm up within minutes to an hour, which is ideal for holding something in place quickly, while standard mixes give you more working time for larger or more detailed pours.
For small projects like stepping stones or a single fence post, hand-mixing in a tub works fine. For anything beyond a few bags, a rented mixer saves significant time and effort.
Anything requiring proper forming, reinforcement, grading, or covering more than a small area — like a driveway, patio, or foundation — is generally best left to a professional contractor for both quality and structural reasons.
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