Free — no signup required

Calculate exactly how much material you need.

Gravel, soil, or mulch — get instant volume, weight, and cost estimates. Three ways to measure: auto-detect, manual entry, or photo scale.

How it works

Three steps to your estimate

1

Pick your material

Choose from 10+ gravel types, 6 soil types, or 6 mulch types. Each has accurate density data.

2

Enter dimensions

Use auto-detect for common shapes, enter measurements manually, or estimate from a photo.

3

Get your estimate

Instant volume, weight, and cost. Adjust for compaction and waste. Copy or share your results.

Instant results

Live calculations as you type. No page reloads.

Unit conversion

Switch between ft, m, in, cm, yd. Results update automatically.

Cost estimation

Enter your local price. Get bulk and bag cost estimates.

Photo scale

Estimate area from a photo using a credit card or sheet of paper for scale.

Adjustments

Compaction and waste sliders for more accurate estimates.

Share results

Copy a link to your calculation. Share with contractors or family.

Free Online Gravel, Soil & Mulch Calculator

Our free online gravel calculator helps homeowners, contractors, and landscapers estimate exactly how much gravel, soil, or mulch they need for any project. Whether you are building a new driveway, filling a raised garden bed, or spreading mulch across your backyard, this tool gives you accurate volume, weight, and cost estimates in seconds — no signup, no downloads, no guesswork.

Planning a landscaping project starts with knowing how much material to order. Too little and you make multiple trips to the supply yard. Too much and you waste money hauling away excess. Our gravel calculator in tons and gravel calculator in yards eliminates that problem by computing the exact amount based on your project dimensions and the specific material you choose.

How the Gravel Calculator Works

The driveway gravel calculator uses precise density data for each material type to convert volume into weight. Enter your length, width, and depth, and the calculator instantly determines how many cubic yards or cubic feet of material you need. If you are pricing by the ton, the gravel calculator tons feature converts cubic yards to tons using the material's specific density — for example, pea gravel weighs approximately 1.28 tons per cubic yard, while crushed limestone weighs about 1.5 tons per cubic yard.

Our gravel calculator for driveway projects supports multiple shapes including rectangles, circles, triangles, and ring-shaped areas. The auto-detect mode lets you pick a project type like a driveway, walkway, garden bed, or round patio, and it automatically fills in standard dimensions. For irregular areas, switch to manual entry and input your exact measurements. The pea gravel calculator and crushed gravel calculator use the same proven formulas trusted by landscaping professionals.

For smaller projects like aquariums, planters, or decorative borders, the aquarium gravel calculator mode gives precise measurements in smaller units. You can switch between feet, meters, inches, centimeters, and yards at any time, and all results update instantly.

Soil Calculator for Every Garden Project

Our soil calculator handles topsoil, garden soil, compost, fill dirt, and potting soil with accurate density data for each type. Whether you are filling a new raised bed or refreshing existing garden beds, you get the exact cubic yards needed.

The raised bed soil calculator is perfect for gardeners building new planting areas. Standard raised beds are typically 4 feet by 8 feet, and our soil calculator for raised beds lets you enter your custom dimensions and preferred depth. The garden soil calculator accounts for compaction, so you know how much material to actually purchase rather than the theoretical volume.

Container gardeners can use the potting soil calculator to determine how much potting mix they need for planters, window boxes, and container gardens. The top soil calculator converts between cubic feet and cubic yards so you can buy the right bag size at your local garden center.

The soil calculator for raised bed projects also includes cost estimation. Enter your local price per cubic yard or per bag, and the tool calculates your total material cost. This is especially helpful when comparing bulk delivery versus bagged options from stores like Home Depot or Lowe's.

Mulch Calculator for Landscaping

Mulch protects soil, retains moisture, and gives your landscape a finished look. Our mulch calculator helps you determine the right amount for flower beds, tree rings, and garden borders. The mulch calculator cubic yards feature converts your area dimensions into the exact volume needed at your desired depth — typically 2 to 3 inches for most applications.

The mulch calculator yards mode is ideal for ordering bulk delivery, while the mulch calculator square feet mode helps when you know your coverage area but need to determine depth. For specialty materials, the rubber mulch calculator and bark mulch calculator use accurate densities for each mulch type — hardwood mulch, cedar, pine bark, cypress, and rubber mulch all weigh differently per cubic yard.

Shopping at big-box stores? Our Lowes mulch calculator and Home Depot mulch calculator help you figure out how many bags to buy. A standard 2 cubic foot bag covers about 12 square inches at 2 inches deep. The mulch calculator lowes and mulch calculator home depot modes let you enter bag sizes and prices so you can compare costs before heading to the store.

Why Use Our Material Calculator?

Unlike basic calculators that only compute volume, our tool gives you a complete picture. You get volume in cubic feet, cubic yards, or cubic meters. Weight in pounds, kilograms, tons, or tonnes. Bag counts based on standard package sizes. And total cost based on your local pricing. The compaction and waste sliders add realism — gravel settles about 10 percent under vehicle weight, and you typically lose 5 to 10 percent to spillage and cuts.

The photo scale feature sets this calculator apart. Upload a photo of your project area, place a credit card or sheet of paper in the frame for reference, and draw a line across the known object. The tool calculates the scale and lets you measure the area directly from the image. This is especially useful for estimating materials for irregularly shaped areas where traditional length-width calculations fall short.

Every calculation can be shared via a unique URL. Send the link to your contractor, landscaper, or spouse so everyone is working from the same numbers. The copy feature lets you paste results directly into a text message, email, or project document.

FAQ

Frequently Asked Questions