Pea gravel, crushed stone and river rock can look alike in a supplier’s bins, but they behave very differently once they are on the ground. The shape of each stone decides whether it packs into a firm surface or stays loose, and that decides where it belongs.
Quick comparison
| Feature | Pea gravel | Crushed stone | River rock |
|---|---|---|---|
| Shape | Small, smooth, rounded | Angular, sharp edges | Larger, smooth, rounded |
| Packs firm? | No, shifts | Yes, locks together | No, shifts |
| Price per ton | $28–$45 | $30–$38 (crushed limestone) | $33–$49 |
| Price per cubic yard | $29–$86 | $35–$54 | $47–$70 |
| Weight per cubic yard | 1.25–1.5 tons | about 1.4–1.7 tons | about 1.1–1.4 tons* |
| Good for | Paths, patios, play areas | Driveways, bases, drainage | Garden beds, dry creek beds |
| Driveway surface? | Not recommended | Yes | Not recommended |
Prices: HomeGuide (Dec 2025). Weights: Inch Calculator (Apr 2026). *Inch Calculator lists 1.1–1.4 tons for 2–6 inch rock. Pea gravel runs about $28/ton for 24+ tons and $45/ton for smaller orders (HomeGuide).
What is pea gravel?
Pea gravel is small, smooth, rounded stones. Pea gravel is comfortable to walk on and easy to rake, so it suits garden paths, patios and play areas. Because the stones are round, they don’t lock together and can spread or sink under weight. HomeGuide advises against pea gravel as a main driveway surface because it shifts under tires.
What is crushed stone?
Crushed stone is rock, such as limestone or granite, that has been mechanically crushed into angular pieces. The sharp edges interlock, so crushed stone compacts into a firm surface. Crushed stone is common for driveway top layers (3/4–1 in) and, as crusher run with fines, for driveway bases (HomeGuide).
That makes crushed stone the workhorse for anything that carries weight. When people compare crushed stone vs pea gravel for a surface that has to stay put, crushed stone wins.
Pea gravel vs crushed granite
Crushed granite is a type of crushed stone, so the same comparison applies: crushed granite packs firm, pea gravel stays loose. Decomposed granite, a much finer crushed granite, costs about $25–$50 per ton (HomeGuide) and packs into a firm, natural-looking path.
So if you are weighing crushed granite vs pea gravel for a walkway, the choice comes down to feel. Crushed or decomposed granite gives a firm surface; pea gravel gives a softer, looser one.
What is river rock?
River rock is rounded stones smoothed by water, usually larger than pea gravel, and mostly used for looks: garden beds, borders and dry creek beds. Like pea gravel, river rock shifts under tires, so it isn’t a good driveway surface (HomeGuide). In the river rock vs crushed stone choice, river rock is the decorative option.
Which should you choose?
Match the stone to the job. Use crushed stone where the surface must stay firm: driveways, bases under pavers or a slab, and drainage. Use pea gravel for paths and patios you walk on, and river rock for decorative beds and dry creek beds, because both rounded stones shift under weight.
- Driveway: crushed stone on a crusher run base. See how much gravel for a driveway for layer depths and tons.
- Walkway or patio you walk on barefoot: pea gravel.
- Under pavers or a slab: crushed stone or crusher run, because it compacts.
- Decorative bed or dry creek bed: river rock.
- Drainage around a foundation: crushed stone, which is common for drainage.
Many projects use more than one. A driveway might have a crushed stone surface with a river rock border, and a patio might sit on a crushed stone base with pea gravel around it.
How much will you need?
Gravel is sold by the ton or by the cubic yard, so start with volume: length × width × depth in feet, divided by 27, gives cubic yards. Use the gravel calculator: pick the type, enter length, width and depth, and it converts cubic yards to tons using each stone’s weight.
Pea gravel, crushed stone or river rock?Open the gravel calculator →Frequently asked questions
Is pea gravel or crushed stone better?
It depends on use: crushed stone for anything that needs a firm surface (driveways, bases), pea gravel for comfortable paths and patios.
Is pea gravel cheaper than crushed stone?
About the same per ton: pea gravel $28–$45 and crushed limestone $30–$38 (HomeGuide). Large orders usually cost less per ton.
Can you use pea gravel for a driveway?
Not as the main surface: the round stones shift under tires (HomeGuide).
Which is better for drainage, river rock or crushed stone?
Both let water through; crushed stone stays in place better, while river rock is mostly decorative.
Does crushed granite pack down?
Yes. Like other crushed stone, its angular pieces interlock and compact.
Sources
- HomeGuide — How Much Does Crushed Stone or Gravel Cost? (Dec 19, 2025)
- HomeGuide — How Much Does a Gravel Driveway Cost? (Dec 18, 2025)
- Inch Calculator — Gravel Calculator (updated Apr 30, 2026)
Related
- Gravel calculatorCubic yards, tons and cost for pea gravel, crushed stone, river rock and more.
- How much gravel for a drivewayLayer depths, tons by driveway size and the best gravel for each layer.
- How many tons in a yard of gravelWeight per cubic yard for common gravel types.
More home project guides
- Gravel & landscapingHow much gravel do I need for a driveway?Layer depths, tons by driveway size, the best gravel for each layer, and costs.
- Gravel & landscapingHow many tons are in a yard of gravel?Weight per cubic yard by material, plus yards-to-tons and tons-to-yards charts.
- ConcreteHow many bags of concrete for a 10x10 slab?Bag charts for 4, 5 and 6 inch slabs in 80, 60, 50 and 40 lb sizes.