Common Questions About Planning Your Driveway

1. What’s the "magic number" for driveway depth?

If you’re just refreshing an existing surface, 2 inches of top-off stone usually does the trick. However, for a brand-new driveway, you’re looking at a 4 to 6-inch layer. Think of it like a foundation; skimping on depth now usually leads to mud holes and repairs by next season.

2. Why do I need to convert cubic yards to tons?

Most people measure their driveway in feet, but quarries and landscape yards sell material by weight (tons). On average, one cubic yard of gravel weighs about 2,800 lbs (or 1.4 tons). Our calculator handles this conversion so you don't have to do the heavy lifting—at least not the mental kind!

3. Which is better: Clean stone or Crusher Run?

It depends on your goal. If you want a driveway that stays put and gets harder over time, go with Crusher Run. It includes stone dust that acts like a natural glue.

4. Is 4 inches of concrete actually enough?

For your daily driver or an SUV, 4 inches is the industry gold standard. But here’s a tip: if you own a heavy boat, an RV, or have large delivery trucks frequently backing in, bumping that up to 5 or 6 inches is a small upfront cost that prevents massive "spider-web" cracks later.

5. How much asphalt is standard for a home?

Most homeowners find that 2 to 3 inches of compacted asphalt provides a smooth, durable finish. Just remember that the asphalt is only as good as the stone base beneath it. Without a solid 6-inch rock base, even the best asphalt will eventually sag.

6. Do I really need to buy 10% extra material?

It feels like a waste until you’re five feet from the end of the driveway and the pile is gone. We recommend a 10% buffer because material "tucks" into the ground during compaction. Plus, it’s always cheaper to have a small leftover pile for future potholes than to pay for a second delivery truck.

7. My driveway has a big circular turn. How do I measure that?

Don't let the geometry scare you. Just measure the distance across the widest part of the circle (the diameter). Our calculator uses that number to find the radius and calculate the square footage for you. It’s much easier than trying to pace out a circle with a tape measure!

8. Does my backyard’s soil type matter?

High-clay soils are tricky—they hold water and expand, which can "swallow" your gravel over time. If your ground is soft or stays muddy after rain, you might want to lay down a geotextile fabric before putting your stone down. It keeps your expensive driveway material from sinking into the dirt.

9. How often will I have to do this again?

Gravel isn't a "one and done" project. Between snow plowing, heavy rain, and tires pushing stones to the edge, most people find they need a 1-inch "refresh" layer every 3 to 5 years to keep it looking sharp and draining correctly.

10. Can I use these numbers for my new patio?

You sure can. Whether it’s a walkway, a shed base, or a paver patio, the math remains the same. Just enter your dimensions, and if you're using sand or fine gravel as a base, select those options to see exactly what to order from the yard.