How Many Bags of Mulch Are in a Yard?
A cubic yard of mulch is 27 cubic feet, so the bag count is just division. But the answer is not a whole number, bag sizes vary, and the bulk-versus-bags decision has a real cost crossover. Here is the exact math, a project table, and the point where bulk gets cheaper.
One cubic yard of mulch equals 13.5 two-cubic-foot bags, so buy 14 to equal a yard. It also equals 9 three-cubic-foot bags or 18 one-and-a-half-cubic-foot bags. A 2.5 yard project needs 34 two-cubic-foot bags; a 10 yard project needs 135. Bulk mulch usually wins on price past about 5 yards; bags win for small beds and when you have no truck.
The short answer: 14 two-cubic-foot bags
A cubic yard holds 27 cubic feet. Divide by the bag size:
2 cu ft bags: 27 / 2 = 13.5, so 14 bags to equal a yard.
3 cu ft bags: 27 / 3 = 9 bags exactly.
1.5 cu ft bags: 27 / 1.5 = 18 bags.
Two cubic foot bags are the store standard, so 14 is the number to remember. Three cubic foot bags show up at warehouse clubs and some garden centers; they land on a clean 9 per yard.
Why the number is not whole
Bagged mulch is fluffed at the factory and measured loose, while bulk mulch is sold by the heaped yard. You cannot buy half a bag, so you round 13.5 up to 14. The extra half bag is not waste; bagged mulch settles in the bag and in the bed, and the half bag covers the thin spots and the edges where every bed comes up short.
Bag counts for common projects (2 cu ft bags)
Half yard: 7 bags.
1 yard: 14 bags.
2 yards: 27 bags.
2.5 yards: 34 bags.
5 yards: 68 bags.
10 yards: 135 bags.
Look at the 5 and 10 yard rows and you see why bulk exists: nobody wants to load 135 bags. But at 1 or 2 yards, bags are completely reasonable, especially if you can take a few trips or have them delivered.
Bulk vs bags: the cost crossover
Take typical 2026 prices: bulk shredded hardwood at $38 per yard, 2 cu ft bags at $4 each, local delivery at $75.
2.5 yard job: bulk is 2.5 x $38 = $95 plus $75 delivery = $170. Bags are 34 x $4 = $136. Bags win, and there is no delivery to schedule.
5 yard job: bulk is 5 x $38 = $190 plus $75 = $265. Bags are 68 x $4 = $272. Essentially a tie.
10 yard job: bulk is 10 x $38 = $380 plus $75 = $455. Bags are 135 x $4 = $540. Bulk wins clearly.
The crossover sits around 4 to 6 yards at typical prices. Below it, bags usually win or tie once you count delivery; above it, bulk pulls away fast.
What the bag label tells you
Every bag of mulch sold in the US must state its volume, usually in cubic feet, and that number is what your math runs on. It also states the mulch type and often a coverage claim like "covers 8 square feet at 3 inches." Check that claim against the math: 2 cubic feet at 3 inches is 8 square feet, so the claim should match. If a bag claims much more coverage than the formula gives, the manufacturer is assuming a thinner layer than the label depth, and you should trust the formula.
The label also tells you whether the contents are shredded, chipped, or nuggets, and whether the color is natural or dyed. Dyed mulch costs a little more per bag and holds its color longer, but it breaks down the same as undyed. For the bag count, only the cubic feet matter.
Storing leftover bags
Rounded-up buying leaves you with partial bags, and mulch keeps fine if you store it right. Keep bags off bare ground on a pallet or shelf, slit a small drain hole in the bottom of any bag that will sit outside, and stack them in the shade. Sunlight fades dyed mulch through the bag plastic, and bags that sit in puddles grow sour, anaerobic mulch that smells bad when you open it. Stored dry, bagged mulch is good for a year or more; the half bag left over from this project is next spring's top-up.
When bags are the smarter buy
Choose bags when the job is under about 3 yards, when you have no truck or trailer, when the bed is far from where a truck could dump, or when you want to spread the work across weekends. Bags also let you mix types, say bark in the front beds and cheaper wood chips out back, without ordering two bulk loads. The only real cost of bags is your back: 14 bags per yard is a lot of lifting.
Skip the arithmetic
Buying bags? Enter your bed size and the calculator gives you the exact bag count in both 2 and 3 cubic foot sizes, plus what the same job costs in bulk.
Bags of mulch per yard: questions
How many bags of mulch make a cubic yard?
Thirteen and a half two-cubic-foot bags make a cubic yard, so buy 14. Nine three-cubic-foot bags also make a yard. If your store sells 1.5 cubic foot bags, you need 18.
How many cubic feet are in a yard of mulch?
27 cubic feet. That is the fixed conversion every mulch calculation runs through. One yard is 13.5 two-cubic-foot bags, 9 three-cubic-foot bags, and it covers 108 square feet at 3 inches deep.
How much does a 2 cubic foot bag of mulch cover?
At 3 inches deep, one 2 cubic foot bag covers 8 square feet, roughly a 2 by 4 foot patch. At 2 inches deep it covers 12 square feet. At 4 inches deep it covers 6 square feet.
How much does a bag of mulch weigh?
A 2 cubic foot bag of shredded bark or hardwood mulch weighs roughly 35 to 45 pounds dry, and noticeably more when wet. That matters when you are loading 34 bags for a 2.5 yard job; plan the trips, not just the count.
Should I buy mulch in bags or bulk?
Bags for jobs under about 3 yards, or when you have no truck. Bulk for jobs over about 5 yards, where the price crossover kicks in. Between 3 and 5 yards, compare your local bulk price plus delivery against the bag price; at typical 2026 prices they land close.