Warehouse Space & Pallet Position Calculator
Enter your building’s length, width and clear height, choose your rack type and aisle equipment, and see how many pallet positions fit. Everything runs in your browser.
Estimated pallet positions
1,840
- Levels
- 4
- Aisles
- 5
- Positions per level
- 460
- Per 1,000 sq ft
- 77
- Floor area
- 24,000 sq ft
- Floor in aisles
- 34%
What the aisle choice is worth
| Equipment | Aisle | Positions |
|---|---|---|
| Counterbalance forklift | 12 ft | 1,472 |
| Reach truck | 9 ft | 1,840 |
| Very narrow aisle (VNA) truck | 6 ft | 2,208 |
A planning estimate, not a rack drawing. Confirm layout with your rack supplier and local fire code.
How the calculation works
Racking runs the length of the building in back-to-back pairs, with one aisle serving each pair. One aisle plus its two rows and the flue between them is a module. The calculator:
- Takes your floor width, less the share you hold back for docks, staging and offices, and divides it into whole modules.
- Takes your floor length, less a layout allowance for cross-aisles and columns, and divides it by one pallet width plus clearance to get positions per row.
- Multiplies modules by two rows, by pallets deep, by positions per row, to get positions per level.
- Works out how many levels fit under the sprinkler line from your load height, beam height and clearances, and multiplies.
Worked example
A 200 × 120 ft building (24,000 sq ft) with 28 ft clear height, selective (single-deep) racking and reach trucks in 9 ft aisles, on the default assumptions, fits 5 aisles, 46 positions per row and 4 levels: 1,840 pallet positions, or about 77 per 1,000 sq ft.
Switch the equipment to see what the aisle is worth: the comparison table shows the same building with a counterbalance, reach or very narrow aisle truck.
Frequently asked questions
How do I calculate pallet positions in a warehouse?
Divide the floor you can use for racking into modules, each made of one aisle and two back-to-back rows of racking. Count the pallet positions along one row, multiply by two rows and by how many pallets deep each row is, then multiply by the number of levels that fit under the sprinkler line.
How many pallets fit in a 10,000 sq ft warehouse?
It depends on clear height, rack type and aisle width far more than on floor area alone. A reach-truck selective layout in a tall building can hold several times what the same floor holds with floor stacking. Enter your own dimensions above to see the range.
How wide should a warehouse aisle be?
It follows the equipment: roughly 11 to 13 feet for counterbalance forklifts, 8 to 10 feet for reach trucks and 5 to 7 feet for very narrow aisle trucks. Your truck manufacturer’s specification for your pallet and load size is the figure to use.
Does double-deep racking hold more pallets?
Usually yes, because it removes about half the aisles, at the cost of selectivity: you can only reach the second pallet by moving the first. It suits products with many pallets per SKU and needs equipment that can reach the second position.
What does this calculator leave out?
Columns, dock doors, sprinkler heads, rack-end guards, seismic requirements and the specific rack and truck you choose. Treat the result as a planning estimate and confirm it with your rack supplier and local fire code.