Concrete Curb & Gutter Calculator

How It Works

Take the hassle out of math and simplify your concrete planning with our free concrete curb and gutter calculator. With just 3 straightforward steps, you can quickly determine the exact amount of concrete required for your project. Whether you have various shapes or need to calculate for multiple curbs or gutters, our app is equipped to handle it all. Let's start calculating!

3 Simple Steps

1. Choose your settings. Select your unit type, cost type (by bag or by the yard/meter), bag size, cost and desired waste amount. Your settings will be automatically saved for when you come back the next time.
2. Choose your shape(s). We understand that many projects require multiple shapes or dimensions. Choose from a slab, footing, column, stairs, curb/gutter, circle/tube or any combination of them—it doesn't matter how many you have, we'll do the heavy lifting.
3. Add your dimensions. Once your shapes are added, input the dimensions that you've measured for each of them. After that, your results will be shown!

Record, Save and Update

And there you have it! Pretty easy, right? Now you can keep track of your concrete projects throughout your entire career. Bookmark this page and you're calculations will be here when you return.

Concrete Curb and Gutter Formula

For those who like to do the math by hand, or are curious as to how it's done, below is the formula used:

The Formula: Quantity × (Length × Curb Depth × Curb Height + Length × Flag Thickness × (Gutter Width + Curb Depth)

How to Measure a Curb and Gutter

Measuring a concrete curb and gutter involves determining a number of different dimensions, including its length, curb depth, curb height, flag thickness and gutter width. That's a lot — but no worries, we've got you covered. As you've likely already seen, you can use our handy calculator above. If you still want to do it by hand, you can use the steps below. Let's begin!

1. Length: Measure the length of the curb and gutter using a measuring tape. Start from one end and extend it to the other end in a straight line.
2. Curb Depth: Determine and measure how much depth you want your curb to have. For reference, this is the thickness of the backmost portion of curb.
3. Curb Height: Determine and measure the height of the curb itself. This is the total height of the curb minus the flag thickness at the bottom, which we will cover in the next step.
4. Flag Thickness: Determine and measure how much flag thickness you'll need. This is the total height of the curb minus the curb height calculated in the previous step.
5. Gutter Width: Measure the gutter width of your curb. This is essentially the width of the portion of the curb that butts up against the curb in the back.

That's it! Now, you can take those measurements and plug them into the formula above and you'll have your estimations.