A standard dump truck holds somewhere between 10 & 25 cubic yards of soil but the exact number depends heavily on the truck's size & axle setup. Landscaping companies contractors & homeowners planning a delivery all run into this question at some point usually right before placing an order.
This guide breaks down soil capacity by truck type walks through the math you need to figure out how many yards your project actually requires & explains why the number on the delivery slip sometimes doesn't match what ends up in the ground. By the end you'll know exactly how much to order & how many truckloads to expect.
Key Takeaways
Truck Size Determines Yardage
Landscape trucks carry 3 to 6 yards single axle trucks carry 10 to 14 yards & tri axles carry 15 to 25 yards. Match the truck to your calculated volume before you order.
Weight Limits Can Cap Volume Before the Bed Is Full
Wet or dense soil weighs more per yard so a truck can hit its legal weight limit before reaching its rated cubic yard capacity. This matters most right after rain.
Always Order Extra for Settling
Freshly delivered soil compacts once spread typically losing 10 to 20% of its loose volume. Round your order up rather than ordering the bare calculated minimum.
Dump Truck Sizes & Their Soil Capacity
Dump trucks are not a one size fits all vehicle & soil capacity scales directly with the truck's frame & axle count. Knowing which category a delivery truck falls into tells you roughly how many yards to expect per load.
Small Landscape Dump Trucks
Small landscape or "dumpster" style trucks typically carry 3 to 6 cubic yards of soil per load. These are common for residential deliveries where driveway access is tight or the total volume needed is small.
They're also the easiest trucks to maneuver into backyards & narrow side gates which makes them the default choice for garden beds & small yard regrades.
Standard Single Axle Dump Trucks
A standard single axle dump truck generally holds 10 to 14 cubic yards of soil. This is the size most homeowners picture when they think of "a dump truck load" & it's the benchmark figure used across most soil suppliers' quotes.
Single axle trucks balance capacity with maneuverability so they can usually still access a standard residential driveway without special permits.
Tri Axle & Tandem Dump Trucks
Tri axle & tandem trucks are the heavy haulers carrying anywhere from 15 to 25 cubic yards depending on the model & local road weight limits. Construction sites & large landscaping jobs rely on these to reduce the number of trips needed.
A fully loaded tri axle truck can weigh 50,000 pounds or more so access matters here. Narrow driveways low branches & soft ground can all rule this truck size out even when the volume math says it's the right choice.
How to Calculate Yards of Soil Needed?
Before you can pick the right truck size you need to know how many cubic yards your project actually requires. Our dirt calculator does this automatically but it helps to understand the formula behind it.
The Cubic Yard Formula
The calculation is length in feet multiplied by width in feet multiplied by depth in feet divided by 27. Dividing by 27 converts cubic feet into cubic yards since one cubic yard equals 27 cubic feet.
Keep every measurement in feet before you multiply. If your depth is in inches divide it by 12 first to convert it to feet otherwise the final number will be far too high.
Worked Example
Say you're filling a yard area that's 20 feet long 15 feet wide to a depth of 6 inches. Convert 6 inches to 0.5 feet then multiply 20 by 15 by 0.5 to get 150 cubic feet.
Divide 150 by 27 & you get 5.6 cubic yards. That's small enough for a landscape truck well under even a single standard dump truck load if you're also converting to weight.
Accounting for Settling & Fluff Factor
Freshly excavated or loose soil takes up more space than it will once it's spread & compacted. Suppliers commonly recommend ordering 10 to 20% more than your raw calculation to cover this settling.
For the 5.6 cubic yard example above ordering 6 to 6.5 yards gives you a buffer without significant leftover material. This same buffer logic applies whether you're calculating yards of dirt for a driveway or a flower bed.
Soil Weight vs Volume — Why It Matters for Truck Loads?
Trucks are rated by both volume & weight capacity & soil is heavy enough that weight often becomes the limiting factor before the bed is visually full. Checking the dirt weight per cubic yard before ordering saves a lot of guesswork on delivery day.
Dry topsoil weighs roughly 2,000 to 2,200 pounds per cubic yard while saturated soil can climb past 3,000 pounds. This is why a tri axle truck rated for 25 cubic yards of light material might only be loaded to 18 or 20 yards of wet soil before hitting its legal weight limit.
Pickup Trucks vs Dump Trucks
Not every job needs a dump truck. A full size pickup with an 8 foot bed can typically handle around 2 cubic yards of soil before exceeding its payload rating & a smaller short bed pickup holds closer to 1 to 1.5 yards.
For anything above 3 or 4 cubic yards a dump truck delivery is almost always more practical than multiple pickup trips. If you're unsure how much you'll need overall our guide on how much dirt you need walks through sizing a project from scratch.
What About Cubic Feet Instead of Yards?
Some suppliers quote in cubic feet rather than yards especially for smaller landscape loads. If a truck's specs are listed in cubic feet our breakdown on how many cubic feet are in a yard of dirt makes the conversion simple before you compare quotes.
Topping It Off
Soil is only half the job on most beds & borders. A layer of mulch on top locks in moisture blocks weeds & finishes the look once the dirt has settled. If that's next on your list the mulch calculator works the same length by width by depth math shown above just swap in your mulch depth.
Conclusion
Figuring out how many yards fit in a dump truck of soil comes down to matching your project's calculated volume to the right truck size then padding the order slightly for settling. Small landscape trucks single axle trucks & tri axles each serve a different scale of job & weight limits can shift the numbers depending on moisture.
Run your measurements through our dirt calculator before you call a supplier so you order the right amount the first time whether that's a single landscape truckload or a full tri axle delivery.
FAQs
How many yards of soil fit in a standard dump truck?
A standard single axle dump truck holds about 10 to 14 cubic yards of soil. Larger tri axle trucks can carry 15 to 25 yards depending on the model.
How many tons is a dump truck load of soil?
A typical 10 to 14 yard load of dry topsoil weighs somewhere between 20,000 & 30,800 pounds or roughly 10 to 15 tons. Wet soil weighs more per yard so tonnage climbs accordingly.
Can a pickup truck haul as much as a dump truck?
No. A full size pickup tops out around 2 cubic yards before exceeding its payload rating far below even a small landscape dump truck's 3 to 6 yard capacity.
How do I know how many truckloads I need?
Calculate your total project volume in cubic yards using length times width times depth divided by 27 then divide that number by the truck's rated capacity to get the number of loads.
Does wet soil reduce how many yards fit in a truck?
Yes. Weight limits can force a smaller volume load when soil is saturated since wet soil can weigh 3,000 pounds or more per cubic yard compared to around 2,000 pounds dry.
