How to use the bags of mulch in a yard calculator
- 1
Enter the bag volume
Type the cubic feet printed on the bag, such as 1.5, 2, or 3 cubic feet.
- 2
Enter the cubic yards
Enter how many cubic yards you need. Leave it at 1 to see bags for a single yard.
- 3
Read the bag count
The calculator shows the total cubic feet, the exact bags, and the whole bags to buy.
Formula
Bags per yard = 27 / bag volume in cubic feet
For more than one yard, multiply the cubic yards by 27 to get cubic feet, then divide by the bag volume and round up.
Worked example
How many 2 cubic foot bags are in one cubic yard?
- 1One cubic yard is 27 cubic feet.
- 2Divide by the bag volume: 27 / 2 = 13.5 bags.
- 3Round up because partial bags are not sold: 14 bags.
One cubic yard is 13.5 of the 2 cubic foot bags, which rounds up to 14.
Why one cubic yard equals 27 cubic feet
A cubic yard is a cube that measures 3 feet on every side. Multiplying 3 by 3 by 3 gives 27, so one cubic yard always holds 27 cubic feet. This factor is exact and never changes.
That is why bags per yard is simply 27 divided by the bag volume. The only variable is the cubic feet your particular bag holds.
How to calculate bags per cubic yard
Divide 27 by the cubic feet on the bag. A 2 cubic foot bag gives 27 divided by 2, which is 13.5, rounding up to 14 bags. A 1.5 cubic foot bag gives exactly 18 bags, and a 3 cubic foot bag gives 9 bags.
For several yards, multiply the cubic yards by 27 first. Three yards is 81 cubic feet, which is about 41 of the 2 cubic foot bags after rounding up.
One yard versus multiple yards
Bag counts scale with the volume. Two yards need twice the bags of one yard, before rounding. Because rounding up happens once at the end, buying in larger amounts wastes slightly less than rounding each yard separately.
Use the project-size table below to read bags for half a yard up to five yards at a glance.
Bulk and bagged purchasing differences
Once a project needs several cubic yards, many people compare a bulk delivery with buying many bags. Bulk is measured directly in cubic yards, while bags add up to a yard by their volume. Neither is automatically cheaper, since it depends on local pricing, delivery, and how much you can store and move.
See bulk mulch vs bagged mulch to weigh the options, or size your beds first with the mulch calculator.
How bag labels vary
Bag volume is not standardized, so check before you assume:
- Common volumes include 1.5, 2, and 3 cubic feet, but others exist
- Some products list coverage at a stated depth instead of volume
- Weight on the label depends on mulch type and moisture, not coverage
- Two bags of the same weight can hold different volumes
Bags in One Cubic Yard
Bags per cubic yard and whole bags for one cubic yard, by bag volume. One cubic yard is 27 cubic feet.
| Bag volume | Bags per cubic yard | Whole bags for 1 cubic yard |
|---|---|---|
| 0.5 cu ft | 54 | 54 |
| 0.75 cu ft | 36 | 36 |
| 1 cu ft | 27 | 27 |
| 1.5 cu ft | 18 | 18 |
| 2 cu ft | 13.5 | 14 |
| 2.5 cu ft | 10.8 | 11 |
| 3 cu ft | 9 | 9 |
Whole Bags Required by Project Size
Whole bags needed for common project sizes, by bag volume. Each value rounds up because partial bags are not sold.
| Bag volume | 0.5 yd | 1 yd | 2 yd | 3 yd | 5 yd |
|---|---|---|---|---|---|
| 1 cu ft | 14 | 27 | 54 | 81 | 135 |
| 1.5 cu ft | 9 | 18 | 36 | 54 | 90 |
| 2 cu ft | 7 | 14 | 27 | 41 | 68 |
| 3 cu ft | 5 | 9 | 18 | 27 | 45 |
Frequently asked questions
- How many bags of mulch are in a yard?
- It depends on the bag volume. A cubic yard is 27 cubic feet, so it holds about 14 of the 2 cubic foot bags, 18 of the 1.5 cubic foot bags, or 9 of the 3 cubic foot bags.
- How many 2 cubic foot bags are in a yard of mulch?
- 27 divided by 2 is 13.5, which rounds up to 14 bags for one cubic yard.
- How many 1.5 cubic foot bags are in a yard?
- 27 divided by 1.5 equals exactly 18 bags per cubic yard.
- How many 3 cubic foot bags are in a yard?
- 27 divided by 3 equals exactly 9 bags per cubic yard.
- Is a yard of mulch the same as a cubic yard?
- Yes. When suppliers say a yard of mulch they mean a cubic yard, which is 27 cubic feet.
- How many bags are in 2 yards of mulch?
- Two yards is 54 cubic feet. With 2 cubic foot bags that is 27 bags, and with 1.5 cubic foot bags it is 36 bags.
Bags per yard come from the exact factor of 27 cubic feet per cubic yard divided by your entered bag volume, with whole bags rounded up. Tables are generated by the shared calculation engine. See the YardCalc calculation methodology.
Results are planning estimates. Last reviewed 2026-06-25.