How Many Cubic Feet in a Yard of Mulch?
A cubic yard of mulch equals exactly 27 cubic feet. Use this guide to estimate how much you need, compare bulk vs. bagged costs, and avoid common measuring mistakes. Get accurate coverage for your landscaping project.
The short answer
A yard of mulch contains exactly 27 cubic feet. This fixed conversion applies whether you buy in bulk or bags. Knowing this helps you compare prices and calculate the right amount: divide the total cubic feet needed by 27 to get the cubic yards required for your landscaping project.
Key takeaways
- One yard equals 27 cubic feet: the foundation of all mulch math.
- Coverage depends on depth: 1 yard at 3 inches deep covers about 100 square feet.
- Bulk vs. bagged: compare price per cubic foot to find the better deal.
- Order a bit extra: a 10% overage covers settling and irregular shapes.
Mulch is sold by volume, but the units can be confusing. Landscapers talk in cubic yards, while bags list cubic feet. Getting the conversion right means you don't run short or overspend. This article breaks down exactly how many cubic feet are in a yard of mulch, how to estimate your needs, and what to expect on costs. Whether you're mulching a small flowerbed or a whole yard, you'll know your numbers.
What is a cubic yard of mulch?
A cubic yard is a unit of volume used for bulk materials like mulch. Picture a cube 3 feet wide, 3 feet long, and 3 feet tall. That cube holds exactly 27 cubic feet. When you order mulch by the yard, you're getting this fixed volume. Use our topsoil calculator to visualize how volume translates to coverage.
- One cubic yard measures 3 ft x 3 ft x 3 ft and equals 27 cubic feet.
- Volume always stacks up the same whether you're dealing with mulch, gravel, or soil.
- Coverage area varies based on how thick you spread it. At 3 inches deep, one yard covers about 100 square feet.
- The standard depth for mulch is 2 to 4 inches; thinner layers won't suppress weeds well.
How do I calculate how much mulch I need?
Figuring out your mulch needs starts with the area and desired depth. Grab a tape measure and follow these steps. For an irregular space, break it into smaller rectangles, calculate each, and add them up. Then plug your numbers into a loose materials calculator like our gravel calculator to double-check.
- Measure the length and width of each bed in feet, then multiply for square footage.
- Choose your depth (2 to 4 inches) and convert it to feet by dividing by 12. For 3 inches, use 0.25 feet.
- Multiply area by depth to get the volume in cubic feet.
- Divide cubic feet by 27 to find the number of cubic yards you need.
- Add 5-10% extra for settling and uneven ground.
How much does a yard of mulch cost?
Mulch prices vary by type, source, and delivery fees. As of April 2025, bulk mulch is generally cheaper per cubic yard than the equivalent in bags. Use our crushed stone calculator to compare bulk pricing for other landscaping materials.
- Bulk mulch runs $25 to $50 per cubic yard, not including delivery. Delivery fees often add $50 to $100 depending on distance.
- Bagged mulch costs $3 to $6 per 2-cubic-foot bag. To match one cubic yard, you'd need 13.5 bags, totaling $40 to $81.
- Dyed or premium mulches (red, black, cedar) tend toward the higher end of the range.
- Bulk becomes more cost-effective for jobs needing 3 or more cubic yards.
What are common mistakes when estimating mulch?
Even a small measuring or math oversight can leave you with a pile of extra mulch or a second trip to the store. Learn from these frequent pitfalls. Our concrete slab calculator illustrates similar volume estimation principles for rigid materials.
- Measuring in different units (feet for length, inches for depth) without converting.
- Forgetting to convert depth from inches to feet is the number one error; 3 inches is 0.25 feet, not 3 feet.
- Assuming all bags are 2 cubic feet, but some are smaller (1.5 ft³), always check the label.
- Ordering the exact calculated amount without a 5-10% buffer for settling and uneven ground.
- Not accounting for existing mulch thickness or slope, which changes the volume needed.
What types of mulch can I choose from?
Different mulches offer distinct looks, longevity, and benefits. The right choice balances aesthetics, cost, and how much maintenance you want. For soil-building projects, see our topsoil calculator to blend mulch with compost.
- Shredded hardwood is an all-purpose favorite: affordable, long-lasting, and good for weed blocking.
- Pine bark nuggets are lightweight and decorative but float in heavy rain.
- Cedar mulch repels some insects and has a pleasant aroma, but costs more.
- Dyed mulches (red, black, brown) keep their color for one season before fading.
- Cocoa hulls smell like chocolate but are toxic to dogs and mold easily.
- Straw is an inexpensive temporary option for vegetable gardens and seeding.
When should I hire a pro for mulching?
Mulching a small bed is a manageable DIY job, but large or tricky spaces might warrant calling in the pros. Factor in your time, physical effort, and the need for extras like edging or delivery. Visit our homepage for more project calculators.
- DIY works well for jobs under 2 cubic yards on flat ground with easy access.
- Consider a pro if you have steep slopes, many tight corners, or heavy clay soil that needs amending.
- Hire a landscape crew for jobs over 5 cubic yards; they'll handle delivery, spreading, and cleanup efficiently.
- If you have a truck and strong back, you can save money by picking up bulk mulch yourself.
- Wet mulch is heavy. A cubic yard can weigh up to 800 pounds, so know your limits.
| Price per cubic yard | $25 to $50 (bulk) | $40 to $81 (bagged equivalent, as of April 2025) |
|---|---|---|
| Convenience | Delivered in a pile, you shovel and haul | Easy to carry bags, no delivery needed for small jobs |
| Minimum order | Typically 1 yard or more with delivery fees | Buy as little as one bag |
| Coverage per unit | 100 sq ft at 3 inches deep | 1 bag (2 ft³) covers 8 sq ft at 3 inches deep |
Questions this page answers
How many 2-cubic-foot bags of mulch equal a yard?
A cubic yard is 27 cubic feet, so you need 13.5 bags of 2-cubic-foot mulch. In practice, you'd buy 14 bags to have enough.
How much does a yard of mulch weigh?
Weight depends on moisture and type, but a cubic yard of dry hardwood mulch typically weighs 400 to 800 pounds. Wet mulch can be heavier.
How deep should I spread mulch?
Apply 2 to 4 inches of mulch, with 3 inches being ideal for weed suppression and moisture retention. Too thin won't block weeds; too thick can smother plants.
Does dyed mulch color last?
Dyed mulches (red, black, brown) usually keep their color for one season. Fading starts within a few months in sunny spots. You may need to top-dress annually.
Can I use a calculator to figure mulch needs?
Yes, our loose materials calculators (like the topsoil or gravel calculator) can help. Enter your area and depth to get cubic yards, then round up.
How many square feet does a yard cover at 2 inches deep?
One cubic yard covers 162 square feet at 2 inches deep. At 4 inches deep, it covers about 81 square feet.
Is bulk mulch cheaper than bagged?
Bulk mulch is cheaper per cubic yard, especially for large projects. Bagged mulch is more convenient for small jobs and usually available at any garden center.
How do I estimate mulch for irregular-shaped beds?
Break the area into smaller rectangles or ovals, calculate each separately, and add the totals. For curved beds, measure the widest and longest points and treat it like a rectangle, then add a little extra.
In short, a yard of mulch holds exactly 27 cubic feet of material. Whether you're working with bulk or bags, that number is your baseline. Remember to add 10% extra, aim for a 3-inch depth, and compare prices by the cubic foot. For a custom estimate, try our loose materials calculators to dial in the exact volume for your next landscaping project.