3PL Fulfillment Cost Calculator
Switching to a third-party logistics provider sounds simple until the first invoice shows up with seven different line items you didn't budget for. Pick and pack fees, storage by the pallet, receiving charges on top of shipping itself. A 3PL calculator exists because most fulfillment pricing isn't a single flat rate. It's a stack of smaller charges that only make sense once you add them all up against your actual order volume.
Why Fulfillment Quotes Never Match What You Expected
Most sellers compare 3PL providers by one number, usually the pick and pack fee, because it's the easiest to find on a pricing page. That's a mistake. Storage costs accumulate whether or not you sell anything that month, receiving fees hit every time new inventory arrives, and shipping is often passed through at the carrier's rate plus a markup. Add a slow month with low order volume and high storage, and the math flips entirely.
Order volume matters more than people think too. A provider charging a slightly higher pick and pack fee but a much lower storage rate might come out ahead if you're holding a lot of inventory but shipping it slowly. Run both scenarios before signing anything.
The Line Items That Actually Decide Your Total Cost
Pick and pack covers labor to retrieve and box your item. Multi-item orders usually cost more, since each extra item adds picking time even within the same box. Storage is typically billed per pallet, per shelf, or per cubic foot per month, and it adds up fast for sellers holding three to six months of stock instead of running lean.
Receiving fees apply when new inventory shipments arrive at the warehouse and need to be checked in, counted, and shelved. Some providers charge per shipment, others per pallet or per hour of labor, and this one's easy to forget when budgeting because it doesn't happen every month.
Running the Numbers on a Real Month
Take a seller shipping 500 orders a month, averaging 2 items per order, paying $2.50 base pick and pack with a $0.40 fee per extra item. They store 10 pallets at $25 each per month, average $6.50 in shipping per order, and pay one $35 receiving fee for that month's restock.
- Extra items per order: 2 − 1 = 1
- Pick and pack total: 500 × ($2.50 + 1 × $0.40) = 500 × $2.90 = $1,450
- Storage total: 10 × $25 = $250
- Shipping total: 500 × $6.50 = $3,250
- Receiving fee: $35
- Grand total: $1,450 + $250 + $3,250 + $35 = $4,985
- Cost per order: $4,985 / 500 = $9.97
Shipping dominated that total, not pick and pack. That's typical — fulfillment fees often get all the attention in sales conversations, but actual carrier shipping is usually the largest line item on the invoice.
What Changes at Higher Volume
Providers often offer volume discounts past certain order thresholds, sometimes 1,000 or 5,000 orders a month. If you're scaling toward that range, ask specifically about tiered pricing rather than assuming the rate you signed at stays flat forever. It rarely does, in either direction.
One thing that catches new eCommerce sellers off guard: minimum monthly fees. Some 3PLs charge a baseline minimum regardless of volume, which makes them a poor fit for low-volume or seasonal sellers who ship heavily in November and barely at all in February.
If you're also comparing total contract cost rather than per-order pricing, our 3PL cost calculator breaks down monthly expenses across a longer commitment period.
FAQs
What's the difference between pick and pack and shipping cost?
Pick and pack covers labor to retrieve and box the order inside the warehouse, while shipping is the actual carrier charge to deliver it to the customer.
How is storage usually billed?
Most 3PLs bill storage per pallet, per shelf space, or per cubic foot, charged monthly regardless of whether that inventory sells.
Do all 3PLs charge a receiving fee?
Most do, though the structure varies. Some charge per shipment, others per pallet or by labor hours spent checking in new stock.
Is it cheaper to use a 3PL at low order volume?
Not always. Some providers charge minimum monthly fees that make them a poor fit for sellers shipping fewer than a few hundred orders a month.
Can I negotiate 3PL pricing?
Yes, especially at higher volume. Many providers offer tiered discounts once you cross certain monthly order thresholds.
What's a typical pick and pack fee range?
It varies by provider and item complexity, but base fees commonly fall between $2 and $5 per order before extra item charges.
Should I compare total cost or per-order cost between providers?
Both matter, but per-order cost is usually the better comparison metric since it accounts for your actual volume rather than a flat quote.
Does seasonal inventory affect 3PL pricing?
Yes. Holding extra stock ahead of a busy season raises storage costs temporarily, even before those units start shipping out.