Driveway gravel calculator · tons
Driveway Gravel Calculator
How much gravel for your driveway? Measure the drive, then work out the road base layer and the #57 top course.
1 · Material
2 · Two quick choices: depth, then size
2a · Pick a depthA driveway is two layers: about 6″ of compacted road base, then 4″ of #57 on top. Calculate the base, then switch to “Top: #57 stone”; your measurements stay.
Length × width in feet. Add as many sections as you need; we add them up.
Recommended order
26 tons
of Road Base (2"-fines)
≈ 16.8 yd³ · covers 720 sq ft at 6″ · 2 dump trucks
720 sq ft × 6 in ÷ 12 ÷ 27 = 13.33 yd³ × 1.55 t/yd³ = 20.7 tons. Plus 25% for compaction and spreading, rounded up to a whole ton.
3 · Get your delivered quote
One ton of road base
- ≈ 0.65 yd³ (17 cu ft)
- covers 35 sq ft at 6″
- a yd³ weighs about 3,100 lb
- a full truck is about 21 tons
About this material: Road Base (2"-fines) →
How much does a ton of driveway gravel cover?
Cubic yards = area (sq ft) × depth (in) ÷ 12 ÷ 27. Tons = cubic yards × the material’s density. The calculator then adds the buffer for compaction and spreading and rounds up. Tons use our catalog densities: road base 1.55 t/yd³; #57 stone 1.35 t/yd³; crushed concrete road base 1.35 t/yd³; asphalt millings 1.4 t/yd³.
Swipe the table sideways →
| Material | Depth | Used for | Coverage | Per 100 sq ft |
|---|---|---|---|---|
| Road Base (2"-fines) | 4″ | Shed pad or walkway, compacted. | 52 sq ft per ton | 1.91 tons |
| Road Base (2"-fines) | 6″ | Home driveway, compacted. (typical) | 35 sq ft per ton | 2.87 tons |
| Road Base (2"-fines) | 8″ | RVs, trucks or soft ground. | 26 sq ft per ton | 3.83 tons |
| #57 Crushed Stone (¾" – 1") | 2″ | Refresh an old top course. | 120 sq ft per ton | 0.83 tons |
| #57 Crushed Stone (¾" – 1") | 3″ | Light traffic over a firm base. | 80 sq ft per ton | 1.25 tons |
| #57 Crushed Stone (¾" – 1") | 4″ | New top course over the base. (typical) | 60 sq ft per ton | 1.67 tons |
| Crushed Concrete Road Base | 4″ | Pads and paths, compacted. | 60 sq ft per ton | 1.67 tons |
| Crushed Concrete Road Base | 6″ | Most home driveways, compacted. (typical) | 40 sq ft per ton | 2.5 tons |
| Crushed Concrete Road Base | 8″ | RVs and trucks. | 30 sq ft per ton | 3.33 tons |
| Recycled Asphalt Millings | 3″ | Resurface an old driveway. | 77 sq ft per ton | 1.3 tons |
| Recycled Asphalt Millings | 4″ | New driveway, compacted. (typical) | 58 sq ft per ton | 1.73 tons |
| Recycled Asphalt Millings | 6″ | Soft ground or heavy trucks. | 39 sq ft per ton | 2.59 tons |
Before the buffer. Updated November 2026
How much driveway gravel for common projects
Swipe the table sideways →
| Project | Depth | Area | Estimate |
|---|---|---|---|
| 100 ft × 12 ft drive — base layer | 4″ | 1,200 sq ft | ~15 cubic yards lime rock base |
| 100 ft × 12 ft drive — top course | 4″ | 1,200 sq ft | ~15 cubic yards #57 stone |
| 50 ft × 10 ft short drive | 8″ | 500 sq ft | ~12 cubic yards total |
| 200 ft rural drive | 8″ | 2,400 sq ft | ~60 cubic yards total |
| Turnaround 30 ft × 30 ft | 8″ | 900 sq ft | ~22 cubic yards total |
Before the buffer. Measure your own areas above for an order quantity.
Driveway gravel: base and top course
Delivered by dump truck. “From” prices are per ton on a full truck, delivery included; the second line is the smallest load.
Road Base (2"-fines) →Limerock base that compacts hard under driveways and pads.From $40.60/ton on a full truck2 tons from $426.80 delivered
#57 Crushed Stone (¾" – 1") →The all-round ½–1″ stone for driveways, pads and drainage.From $60.97/ton on a full truck2 tons from $473.90 delivered
Crushed Concrete Road Base →Recycled road base for driveways and pads.From $27.88/ton on a full truck2 tons from $397.36 delivered
Recycled Asphalt Millings →Recycled asphalt that packs into a firm driveway.From $50.79/ton on a full truck2 tons from $450.34 deliveredDriveway gravel mistakes to avoid
Skipping the base layer
A single 4-inch layer of #57 on bare soil ruts within a season. The base layer is what carries the weight; the top course is just the finish. Always plan two layers.
Too thin overall
A 2-inch driveway looks like a driveway for 30 days. Florida sand and clay subgrade demands 8 inches total minimum — 4 inches of base + 4 inches of top course — to hold up.
Wrong top stone
Pea gravel and round river stone roll under tires. #57 angular limerock interlocks and stays put. For long rural drives, recycled asphalt millings harden over time and resist washboarding.
No crown or slope
A flat driveway holds water and washes out at the low end. Build a 2–3% crown from center to edges so water sheds off rather than channels through the gravel.
No edge containment
Without landscape timbers, pavers, or compacted shoulders, gravel migrates into the yard. Expect to lose 1–2 inches of depth per year to bleed-out without edges.
Skipping geotextile fabric
Fabric between the subgrade and the base layer keeps fines from pumping up into the gravel. A driveway without fabric loses base material to the soil and needs regrading much sooner.
Driveway gravel calculator questions
Need another material? All calculators →
Know how much driveway gravel you need? Get your delivered quote.
We’ll quote your 26 tons of road base, delivery included.
