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How Much Dirt Do I Need? Use Our Free Calculator

Use our free dirt calculator to find exactly how much soil you need β€” in bags or cubic yards. No app download. No long forms. Just real results.

Get Your Estimate

βœ… Free Β· No signup Β· No email requiredπŸ“Š Data from public industry sourcesπŸ• Prices updated June 2026πŸ”’ We never see your dataπŸ§‘β€πŸ’» Built by EarthWise Β· About us

Stop Guessing β€” Get the Exact Amount of Soil You Need

πŸ“Š Data sourced from publicly available industry standards. See our methodology page for formulas, sources, and limitations.

You've got a garden bed to fill. A raised planter to top off. Or maybe you're patching up a bare spot in the lawn. The question is always the same: how much dirt do I need? Here's the thing β€” most online calculators make you jump through hoops. Download an app. Fill out a long form. Then they spit out a number in cubic yards, and you're left wondering how many bags to buy at the store. We built this calculator differently. No email required. No sign-up. Just enter your measurements, pick your depth, and we'll show you the answer in both cubic yards AND bag counts. Based on real data from Home Depot and Lowe's garden soil listings. Honestly, I've been there. When I moved last year, I had to fill six raised beds. I used three different calculators and got three different answers. Ended up with way too much soil. This tool would've saved me a trip to return bags. So go ahead. Use the calculator below. It's free, it's fast, and it'll tell you exactly what you need β€” whether you're buying bagged garden soil or ordering bulk delivery.

How Much Does Dirt Cost? Bagged vs. Bulk Garden Soil

So here's a quick look at the costs, just based on what you'd normally see in stores. Keep in mind, these are just averages β€” your local prices might be totally different.

I'm just giving you the ballpark figures. You know how it goes, prices can swing a bit depending on where you shop.

Bagged vs. Bulk: Which Should You Choose?

So you've got your number from the calculator. Now comes the real question: should you buy bagged soil or go with bulk delivery? **Bagged soil** is convenient. You grab it off the shelf at Home Depot or Lowe's, toss it in the trunk, and you're done. It's perfect for small projects β€” a single raised bed, a flower pot, or patching a lawn. The bags are typically 1 cubic foot, and they cost anywhere from $3.98 to $12.98 depending on brand and quality. Garden soil, topsoil, potting mix β€” they're all different. Make sure you grab the right one for your project. But here's the catch. If you need more than a cubic yard or two, bagged soil gets expensive fast. And heavy. I once loaded 30 bags into my SUV. My back still remembers. **Bulk soil** is the way to go for larger projects. You order by the cubic yard, and a truck dumps it in your driveway or on a tarp. Typical cost is $20 to $60 per cubic yard. For a garden that needs 3 cubic yards, that's $60 to $180 β€” way cheaper than buying 81 bags at $7.99 each ($647). The downside? You need a place to put it. And you have to move it yourself. Shovel, wheelbarrow, sweat. But if you're filling a big garden, it's worth it. In my experience, if your project needs more than 2 cubic yards, go bulk. Under that, bags are fine. The calculator above will show you both options, so you can decide.

Topsoil vs. Garden Soil vs. Potting Mix β€” What's the Difference?

Not all dirt is created equal. Here's a quick breakdown to help you choose the right type for your project.

Frequently Asked Questions About Buying Dirt

Ready to Get the Right Amount of Dirt?

Don't waste time guessing or downloading another app. Use the EarthWise calculator above, get your number in seconds, and go buy with confidence. Whether you're grabbing a few bags from the garden center or ordering a truckload, you'll know exactly what you need. No extra trips. No wasted soil. Just the right amount for your project.
EarthWise Pickβ€’Our Recommendation

EarthWise Pick: Garden Soil (1 cu ft bag) at Home Depot

View on homedepot β†’

We may earn a commission if you purchase through this link, at no extra cost to you.

Frequently Asked Questions

How deep should garden soil be for raised beds?
For most vegetables and flowers, 6 inches is the sweet spot. You can go as shallow as 2 inches for shallow-rooted plants like lettuce, or as deep as 12 inches for tomatoes and carrots.
How many bags of soil do I need for a 4x8 raised bed?
Use the calculator above. But as a rough guide, a 4x8 bed at 6 inches deep needs about 16 cubic feet of soil β€” that's 16 bags if you're buying 1-cubic-foot bags.
Is it cheaper to buy bagged soil or bulk?
Bulk is almost always cheaper per cubic yard. A cubic yard of bagged soil (27 bags at $7.99 each) costs about $216. Bulk costs $20 to $60 per cubic yard. For large projects, bulk saves serious money.
Can I use topsoil in a raised garden bed?
You can, but it's not ideal. Topsoil is dense and may compact, limiting root growth. Garden soil or a mix of topsoil and compost works better.
How do I measure my garden bed for soil?
Measure length and width in feet. Then decide your depth in inches. The calculator does the rest. No app needed.
What if I need soil for a circular bed?
Measure the diameter. Divide by 2 to get the radius. Enter the area in square feet into the calculator β€” it'll handle the math.

More Free Tools & Guides

Garden Soil Calculator: How Much Soil Do You Really Need?Soil Volume Calculator for Raised BedTopsoil Calculator Yards Get Your Cubic Yard Estimate InstantlyBulk Soil Cost Calculator: Compare Bulk vs Bagged Prices with Delivery…Garden Soil Amendment Calculator Get Perfect Mix Ratios for Any Plant…Raised Bed Soil Mix Calculator Get Your Exact Shopping List in Cubic …Cubic Yards Calculator for Garden: Plan Your Soil with PrecisionFree Potting Soil Calculator Get Exact Bag Count for Round PotsFree Landscape Soil Estimator Calculate Garden Soil Needs InstantlyHow Many Bags of Soil Do I Need? Use Our Free Garden Soil CalculatorMulch and Soil Calculator Unified Garden Volume Tool by EarthWiseVegetable Garden Soil Calculator: Adjust Depth for Root Crops & Leafy …

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How Much Dirt Do I Need? Use Our Free Calculator | EarthWise