Concrete calculator
Estimate volume, bags, cost, and more—in just a few clicks
Need to know how much concrete to order for your project? Whether you're pouring a slab, footing, post hole, or wall, this calculator helps you figure it out fast—no spreadsheet or math degree required.
Just choose what you're building, type in your dimensions, and get instant results:
- Concrete volume (in cubic meters, feet, or yards)
- Number of bags needed (based on common sizes)
- Estimated cost
- Weight of the mix
- Even how many trucks you'll need for delivery
Results
Volume calculation details
Cuboid Dimensions
Width
1 ft
Length
1 ft
Depth
1 ft
Results
Estimated Weight
Concrete Bags
3
Bags needed
$15.00
Total Bag Cost
Concrete Delivery
The most common truck capacity in your region is 10 yd³.
1
Concrete truck needed
$5.56
Total Material Cost
What You Can Use This For
- Planning a driveway or patio slab
- Figuring out how many concrete bags to buy for fence posts
- Estimating the cost for pouring a foundation
- Comparing volume in feet, meters, or yards
- Checking how much fits in a standard concrete truck
It works for DIY weekend jobs or bigger builds. The tool automatically converts between metric and imperial units, so no need to stress about feet vs. meters or cubic yards vs. cubic meters.
Choose Your Shape, Get Specific
Start with a simple shape—like a cube, cylinder, or slab. As you add more details (like type of structure or slope), the calculator adjusts and shows extra options tailored to your project.
Need to calculate for something specific, like a sloped foundation or a footing wall? Just select it from the dropdown and we'll walk you through it.
Designed for Real Builders (Like You)
We made this for people who just want to get things done without overthinking it. Whether you're building your dream patio or helping a neighbor with a shed, this concrete calculator keeps it simple and accurate.
- Quick answers
- Metric & imperial support
- Great for homeowners, handymen, or small crews
Not Sure Where to Start?
Try entering a few dimensions and see how it works. You can always switch units or shapes later. Want to explore more tools? Head over to our Construction Calculators page.