One ton of mulch covers roughly 13 to 15 cubic yards, depending on the type and moisture content

A ton of mulch is not a fixed volume—it varies by what kind of mulch you're buying and how wet it is. Bark mulch, wood chips, and shredded hardwood all weigh differently. Wet mulch weighs more than dry mulch because water adds mass. Most landscape suppliers measure mulch by the cubic yard (the volume), but sell it by the ton (the weight), so understanding the conversion helps you order the right amount without overpaying or running short.

As a general rule, one ton of mulch equals about 13 to 15 cubic yards. If you're ordering by weight and need to know volume, or vice versa, this range gives you a working estimate. For a more precise number, ask your supplier what type of mulch they stock and whether it's been freshly ground or has been sitting in a pile—older, settled mulch is denser and yields fewer yards per ton.

Key Takeaways

  • One ton of mulch typically covers 13 to 15 cubic yards, but the exact amount depends on mulch type and moisture level.
  • Bark mulch and wood chips weigh less per cubic yard than shredded hardwood or aged mulch, so they yield more yards per ton.
  • Freshly ground mulch is lighter and fluffier; mulch that has been sitting in a pile settles and becomes denser, yielding fewer yards per ton.
  • Asking your supplier for the weight-to-volume ratio of their specific product gives you a more accurate conversion than a general estimate.

Why mulch weight varies by type

Different mulch materials have different densities. Bark mulch—the outer layer of trees, often sold as shredded or chunked bark—is light and airy. One cubic yard of bark mulch typically weighs 400 to 600 pounds. Wood chips, which are larger pieces of chipped wood, are also relatively light, usually 500 to 700 pounds per cubic yard. Shredded hardwood, made from ground hardwood trees, is denser and heavier—often 700 to 900 pounds per cubic yard.

This means that one ton (2,000 pounds) of bark mulch will give you more cubic yards than one ton of shredded hardwood. If you order a ton of bark mulch at 500 pounds per yard, you get 4 cubic yards. If you order a ton of shredded hardwood at 800 pounds per yard, you get only 2.5 cubic yards. The same weight covers a different area depending on what you're buying.

How moisture content changes the math

Mulch absorbs water, and water is heavy. A freshly ground pile of mulch can contain 40 to 60 percent moisture by weight. Older mulch that has been exposed to rain and has begun to decompose can be even wetter. This water adds significant weight without adding volume—so wet mulch weighs more per cubic yard than dry mulch.

A supplier might sell you "a ton of mulch," but if that mulch is freshly ground and very wet, it will occupy more cubic yards than the same weight of dry, aged mulch. When you call to order, ask whether the mulch is fresh or aged, and whether it has been rained on recently. Some suppliers keep mulch under cover; others leave it exposed. The drier the mulch, the fewer cubic yards you get per ton, but also the longer it will last in your beds before breaking down.

What your supplier can tell you

The most reliable way to know how many yards you're getting is to ask your supplier directly: "How many cubic yards are in a ton of your mulch?" They may have a standard answer—many say 13 to 15 yards—or they may weigh a sample and give you a number specific to their product. Some suppliers can also tell you the weight per cubic yard, which lets you do the math yourself.

If you're ordering online or by phone from a supplier you haven't used before, ask about their mulch's age, moisture level, and whether it's been screened (finer particles removed). These details affect both the weight-to-volume ratio and how long the mulch will last in your landscape. A supplier who can answer these questions is more reliable than one who just quotes a generic conversion.

Calculating how much mulch you actually need

To order the right amount, start with the area you want to cover and the depth you want. Measure your beds in square feet. Most landscapers explore mulch 2 to 3 inches deep. To find cubic yards needed, use this formula: (square feet × depth in inches) ÷ 324 = cubic yards. For example, a 100-square-foot bed at 3 inches deep needs about 0.9 cubic yards.

Once you know how many cubic yards you need, divide by 14 (using the middle of the 13–15 range) to estimate tons. A 100-square-foot bed at 3 inches deep needs roughly 0.9 cubic yards, or about 0.06 tons—so you'd order a fraction of a ton, which most suppliers sell as a partial load or bulk bag. For larger areas, the math works the same way: 42 cubic yards ÷ 14 = 3 tons.

When to order by weight versus volume

If you have a truck or trailer and can haul mulch yourself, you may want to order by the cubic yard and pick it up loose. In that case, the weight-to-volume conversion matters less—you just fill your truck to capacity. If you're having mulch delivered, suppliers often quote by the ton because that's how they charge for delivery weight. Knowing the conversion helps you understand whether the price is fair and whether you're getting the volume you need.

Some suppliers offer both options: you can buy a cubic yard of mulch in a bag (usually 2 cubic feet per bag, so 13 to 15 bags per cubic yard), or you can buy loose mulch by the ton. Bagged mulch costs more per cubic yard but is easier to handle for small projects. Bulk mulch by the ton is cheaper per yard but requires delivery and a place to spread it.

Frequently Asked Questions

Does wet mulch weigh more than dry mulch?

Yes. Water adds weight without adding volume, so freshly ground or recently rained-on mulch weighs more per cubic yard than dry, aged mulch. A ton of wet mulch will yield fewer cubic yards than a ton of dry mulch from the same supplier. Ask whether the mulch has been exposed to rain before you order.

How many bags of mulch equal a ton?

Most bagged mulch comes in 2-cubic-foot bags. One cubic yard equals 13.5 cubic feet, so you need about 6 to 7 bags per cubic yard. A ton of mulch is roughly 13 to 15 cubic yards, so you'd need roughly 80 to 100 bags per ton. Check the bag label for the exact cubic footage and weight.

Should I order mulch by the ton or by the cubic yard?

If you're picking it up loose, order by the cubic yard and fill your truck. If you're having it delivered, the supplier will likely quote by the ton for billing purposes. Ask them to also tell you the cubic yardage so you know whether the volume matches what you need for your beds.

What if my supplier gives me a different conversion than 13 to 15 yards per ton?

That's normal. Different mulch types, moisture levels, and suppliers yield different conversions. Use their number instead of the general range—it's more accurate for their specific product. If they can't tell you, ask for the weight per cubic yard and calculate it yourself.

Can I use the 13 to 15 yard estimate for any type of mulch?

It's a reasonable starting point for most bark and wood chip mulches, but shredded hardwood and aged mulch are denser and may yield only 10 to 12 yards per ton. Always confirm with your supplier before ordering, especially if you're buying a large quantity.