How Much Does 9 Tons of Asphalt Millings Cover?
How much does 9 tons of asphalt millings cover depends on how deep you spread it. At about 1.3 tons per cubic yard, 9 tons is roughly 6.9 cubic yards. Spread 4 inches deep, that covers about 561 square feet. Halve the depth and you roughly double the area.
Volume and tonnage calculator →How the coverage is figured
- Tons to cubic yards: 9 ÷ 1.3 = 6.9 yd³.
- Cubic yards to cubic feet: × 27 = 187 cu ft.
- Divide by depth in feet: at 4 inches (0.333 ft), 187 ÷ 0.333 = 561 sq ft.
Coverage of 9 tons at different depths
| Depth | Square feet covered | Square yards |
|---|---|---|
| 3 in | 748 | 83 |
| 4 in | 561 | 62 |
| 6 in | 374 | 42 |
About asphalt millings
Millings vary by source: some loads are fine and uniform, others carry chunks. Ask the supplier for a screened product if you want a smoother finish, and check local rules, since some areas restrict their use near water. Weight runs about 1.2 to 1.4 loose tons per cubic yard, so treat the table as a planning range rather than an exact figure.
Putting 9 tons to use
9 tons is about one tandem-axle truck load, though legal limits vary by truck and state. Spread from the pile with a loader, skid steer or wheelbarrow, then rake to depth before compacting if the material calls for it.
- Check depth as you go. Stakes marked at the target depth help keep the spread even.
- Expect some loss. Compaction and uneven ground use more than the flat-math figure. Keep about 10 percent in reserve.
- Ask about moisture. Wet material weighs more, so a ton of it covers less.
To run your own numbers, use the volume and tonnage calculator.
Good and poor uses for asphalt millings
Best suited to:
- Rural driveways and farm lanes
- Parking areas where a dust-free surface is wanted
- Low-cost base under a future paved surface
Less suited to:
- Areas near wells or streams where local rules limit them
- Decorative or barefoot areas
- Jobs needing a uniform, clean look
Quick reference numbers
- Per inch over 100 sq ft: about 0.40 tons of asphalt millings (0.31 cubic yards).
- Per inch over 1,000 sq ft: about 4.0 tons.
- Another size for comparison: a 15x30 area at 2 inches takes about 3.6 tons.
- Weight used here: about 1.3 tons per cubic yard.
Common estimating mistakes
- Assuming every supplier uses the same weight. Two yards selling the same product name can quote different tons per yard.
- Mixing up cubic yards and tons. Yards are volume, tons are weight; convert with the product’s weight per yard.
- Measuring only the main rectangle. Aprons, turnouts and curved edges add real square footage.
- Ordering exactly the math. Uneven ground and spillage nearly always need a little more than the flat calculation.
Questions people ask
How many cubic yards is 9 tons of asphalt millings?
About 6.9 cubic yards at 1.3 tons per yard.
How many square feet does 9 tons of asphalt millings cover at 4 inches?
About 561 square feet.
How many square feet does 9 tons cover at 3 inches?
About 748 square feet.
How much does a yard of asphalt millings weigh?
About 1.2 to 1.4 loose tons.
Will 9 tons fit in one truck?
It depends on the truck. Single-axle dump trucks often carry under 10 tons and tandems around 13 to 16; your supplier will know their limits.
Related guides
- How Many Tons of Asphalt Millings for a 40x25 Area?
- Tons to Cubic Yards for Gravel: Conversion Chart
- How Many Tons of Gravel in a Dump Truck? Loads and Coverage
- How Much Does 7 Tons of Asphalt Millings Cover?
- How Much Does 8 Tons of Asphalt Millings Cover?
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