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Racking layout calculator

How many pallet positions fit in your hall, and what do your aisles cost you? Fill in the floor area, the hall length, your aisle width and how high you can go, and you see the positions you get and the square metres each one takes.

Your figures

Only the area you can rack. Take the total and subtract docks, staging, packing benches, offices and any obstructed space.

The long dimension, the one your aisles will run along. Longer aisles mean fewer cross aisles and more positions.

Depends on your trucks: counterbalance needs about 3.5 to 4 m, reach trucks 2.8 to 3.2 m, narrow-aisle trucks 1.7 to 2 m.

How deep one rack row is, normally the pallet depth: 1.2 m for a euro pallet stored short side out. Use 2.4 m for double deep.

Pallet width plus the gap to its neighbour and a share of the upright. Around 0.9 m for an 0.8 m euro pallet.

Including the floor level. Limited by clear height, truck lift height and sprinkler rules, not just by the building roof.

Positions and layout

4,224

Pallet positions

All levels counted.

Why this number: Slotting optimisation

Ground positions

The footprint before you go up.

1,056
Aisles that fit

How many rack blocks fit across the hall width.

8
Square metres per position

Lower is a denser layout; multiply by your rent to price a position.

0.71
Share of floor under racking

The rest is aisle. Typically 40 to 55 per cent is racked.

38

A one-page summary with your figures, the method and what the answer means.

More positions only help if you can find them again

Denser layouts mean more locations to keep track of, which is exactly where paper lists start costing you time.

See how location management works

How this works, in plain English

In plain terms: racking goes in as repeating blocks. Each block is two rows of pallets back to back with an aisle beside them, so a block is roughly two pallet depths plus one aisle width. Count how many blocks fit across the hall, how many pallets fit along its length, double it for the two rows, and multiply by how many levels high you go.

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Two things worth knowing

Aisle width is the biggest lever, and the most expensive one

Going from a 3.5 m to a 2.8 m aisle can add ten to fifteen per cent more positions to the same hall, but it commits you to different trucks and better floor flatness. Price the trucks before you price the racking.

Height is usually cheaper than floor

One extra level costs beams and a taller mast; another thousand square metres costs rent forever. Check clear height and sprinkler rules first, because they, not the roof, decide how high you can actually store.

Questions people ask

Does this cover drive-in or mobile racking?

No, it models standard single or double deep pallet racking with aisles. Drive-in, push-back and mobile systems are denser but restrict access, so they need a layout designed around your product mix.

Why is my real position count lower?

Cross aisles, columns, fire lanes and docks all eat into the plan. Reduce the usable area by ten to fifteen per cent for a realistic figure before you order steel.

These sums get easier when the data is already right

Loading metres, stock levels and order points are only as good as the stock data behind them. That is what a warehouse management system keeps accurate, every movement, without anyone maintaining a spreadsheet.

Two questions about your own operation

Background reading: Slotting optimisation

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