Bulk vs. Bags: Compare the Real Material Cost
Compare bulk mulch, soil, or gravel with bagged material. Include delivery, minimum orders, bag volumes, and leftover material.
A lower price per cubic yard does not always mean a lower project cost. Delivery, minimum orders, and the size of each bag can change which option works best for your job.
Start with the same material and quantity
Compare like with like: the same type of mulch, soil blend, or gravel product. Calculate the volume your space needs, then add any chosen allowance. Use the bag’s printed volume, not its weight, when converting that volume into bags.
One cubic yard contains 27 cubic feet. Divide your required cubic feet by the bag volume, and round up to a whole bag. For 1.5 cubic yards, you need 40.5 cubic feet: that is 21 bags at 2 ft³ each, or 14 bags at 3 ft³ each.
Compare the delivered totals
Bulk total = cubic yards ordered × price per yard + delivery and listed fees
Bag total = whole bags needed × price per bag + delivery and listed fees
Include tax separately when comparing final supplier quotes.Check a bulk supplier’s minimum quantity and selling increments before calculating its total. If you need 1.5 yards but delivery has a 2-yard minimum, you pay for 2 yards. The extra half yard also needs somewhere to go.
A worked comparison
Suppose a project needs 1.5 cubic yards, with no extra allowance. These are illustrative prices, not market quotes:
| Option | Calculation | Total |
|---|---|---|
| Bulk | 1.5 yd³ × $40 + $60 delivery | $120 |
| Bags | 21 × 2 ft³ bags at $5, pickup | $105 |
In this example, bags cost $15 less before tax and pickup expenses. If the bulk supplier requires a 2-yard delivery, its total becomes $140. Different quotes or quantities can reverse the result.
Include the practical costs
Ask where a bulk load can be placed and how far you will need to move it. Check delivery access, the surface it will be tipped onto, and whether you need to protect that surface. With bags, consider the number of trips and the time spent loading and unloading.
For any pickup, check the actual vehicle or trailer payload limit and the material’s weight. Volume alone cannot tell you whether a load is suitable. Ask the supplier for product weight information.
What to ask a supplier
- What exact product does the quote cover, and is the rate per cubic yard, ton, or bag?
- What are the bag volume, bulk minimum, and order increments?
- Does the price include delivery, tax, and any extra fees?
- Where can the material be delivered, and what access is required?
- Does the quoted volume refer to loose material, and is settling or compaction relevant?
Use Order options and Compare material costs in the calculator to enter your own quotes. Print or share the resulting estimate so you and your supplier can check the same measurements and assumptions.
Related: mulch calculator, topsoil calculator, and gravel calculator.