Boulders vs #57 Crushed Stone: 2026 Comparison
Side by side on size, drainage, compaction, look, and cost. No fluff, just the numbers and the trade-offs.
Quick take
Boulders is a decorative material, varies grade, most often spec’d for retaining wall gravel. #57 Crushed Stone is a crushed stone material at 3/4 – 1″, and it shows up more on driveway gravel jobs.
How the two differ in practice
Size is the first split: varies for Boulders versus 3/4 – 1″ for #57 Crushed Stone. Drainage runs moderate on Boulders and fast on #57 Crushed Stone. On compaction, expect stays loose from Boulders, while #57 Crushed Stone delivers knits under load, stays angular. Density is 3200 lb/yd³ next to 2700 lb/yd³, which moves the cost-per-ton math by a small margin. Delivered cost is $100-$350/ton for Boulders and $38-$62/ton for #57 Crushed Stone.
When Boulders is the right call
Pick Boulders when the job is retaining wall gravel and decorative gravel. The natural mixed earth tones grade and the way it stays loose make it a fit for that application. On a full-truck order the per-ton cost falls roughly 15 to 20 percent under partial-load pricing, which is the cleanest way to land in the $100-$350/ton band.
When #57 Crushed Stone is the better fit
Switch to #57 Crushed Stone if the project leans toward driveway gravel and drainage gravel. The sharp gray, utilitarian grade plus the fast drainage profile matches that job better. Plan for $38-$62/ton delivered, same full-load break point as Boulders.
Side by side comparison
| Attribute | Boulders | #57 Crushed Stone |
|---|---|---|
| Category | Decorative | Crushed Stone |
| Particle size | varies" | 3/4 - 1" |
| Color & look | Natural mixed earth tones | Sharp gray, utilitarian |
| Density | 3200 lb/yd³ | 2700 lb/yd³ |
| Sold by | Ton | Ton |
| Price range | $100-$350/ton | $38-$62/ton |
| Drainage | Moderate | Fast |
| Compaction | Stays loose | Knits under load, stays angular |
| Maintenance | Re-dress every 2-3 years | Top up every 2-3 years |
| Best for | retaining wall gravel and decorative gravel | driveway gravel, drainage gravel, and french drain gravel |
Verdict
If your project is retaining wall gravel, go with Boulders. If it leans toward driveway gravel, #57 Crushed Stone is the cleaner pick. Cost-wise the gap is small, so the deciding factor is the surface and traffic, not the price.
Bottom line: Project-dependent
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Is Boulders or #57 Crushed Stone cheaper?
Per-ton pricing is usually within $10. The main cost driver is freight from the nearest quarry, not the material itself.
Which one drains better?
Larger, more angular stones drain faster. Compare the two products' size grades to pick by drainage need.
Can I mix Boulders and #57 Crushed Stone?
Yes - many installers use the coarser grade as base and the finer as a top dressing. Layer base first, then top.
How long does each last?
Both materials last 10+ years with periodic top-up. UV breaks down nothing because they're rock.
Which has more aesthetic appeal?
Subjective. Pull a sample from your supplier before ordering 10 tons.
Are both available delivered?
Yes - both ship via tandem dump truck (4-25 tons) or bag drop (1-3 tons). Same lead times in most metros.