Supply Chain & Logistics Engineering Lab

Warehouse Capacity & Picking Lab

Calculate warehouse storage capacity, pallet cube utilization, order picking velocity, and fulfillment labor costs.

Facility Model Labor & Staffing Logistics Theory FAQ

Logistics Presets

Load calibrated facility models.

Step 1: Physical Footprint & Picking Dynamics

Storage Cube & Picker Routing Configuration

1. Physical Facility & Storage Cube

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%

2. Fulfillment Throughput & Routing

3. Warehouse Labor & Shift Staffing

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%
Efficiency accounts for shift breaks, pre-shift huddles, and equipment battery checks.
Storage Capacity
17,280 Pallets
1,152,000 cu ft storage
Direct Labor / Order
$1.19 / order
57.2 Lines / Hr (29% Travel)
Daily Picker Travel
39.8 Miles / day
Total fleet walking distance
Required Headcount
9 Pickers (2 shifts)
Staffing for target throughput

Industrial & Supply Chain Engineering

Optimizing Warehouse Cube & Picking Velocity

Warehouse logistics efficiency hinges on two foundational levers: maximizing 3-dimensional cube utilization and minimizing transit walking waste in order picking.

  • Cube Storage Utilization: Raw square footage is misleading. High-bay facilities with 32ft to 40ft clear heights achieve 3× greater pallet storage per footprint dollar than low-ceiling buildings.
  • Travel vs. Touch Time: Travel time represents non-value-added waste (Muda). Transitioning from discrete single-order picking to multi-order batching or zone pick-and-pass cuts travel by 40% to 70%.
  • Lines Per Hour (PPH): Higher PPH directly suppresses cost per order, shielding e-commerce margins from rising warehouse labor wages.

Balance line cycle time in the Takt Time Lab.

Warehouse Operations Formulas

Essential warehouse logistics formulas

Net Storage Cube (cu ft) = Floor Area × Usable % × Clear Height × Vertical Util %

Total Pallet Positions = Net Storage Cube ÷ Pallet Cube Volume

Travel Time / Order (min) = Travel Distance (ft) ÷ Transit Speed (ft/min)

Touch Time / Order (min) = (Lines / Order × Touch Seconds) ÷ 60

Direct Pick Labor Cost / Order = Total Daily Wages ÷ Total Daily Orders

Optimize equipment uptime in the OEE Lab.

FAQ

Warehouse capacity and picking questions

How do you calculate warehouse storage cube utilization?

Storage Cube Utilization = (Total Storage Footprint Area × Clear Ceiling Height × Vertical Racking Util %) ÷ Total Gross Facility Volume. It measures what fraction of building 3D space actually stores revenue-generating inventory.

Why does travel time account for over 50% of order picking costs?

In standard discrete picking, associates spend 50% to 70% of their shift walking down aisles between SKU locations. Implementing batch, zone, or wave picking condenses travel routes and doubles pick density.

What is Lines Per Hour (PPH) in warehouse operations?

PPH (Picks/Lines Per Hour) is the primary throughput benchmark measuring the total number of unique item lines picked divided by total paid picker labor hours.

How do you calculate direct picking labor cost per order?

Labor Cost Per Order = (Total Picker Daily Wages Paid) ÷ Total Orders Picked. It provides the core unit cost metric for 3PL logistics pricing and e-commerce fulfillment profitability.

Can I export warehouse capacity and picking audits to CSV?

Yes. You can export complete storage volume calculations, pallet positions, picker travel miles, labor costs, and PPH velocity as a UTF-8 CSV spreadsheet with formula injection defense or print an executive warehouse audit.

Is this tool certified professional industrial engineering or OSHA safety advice?

No. This tool provides educational warehouse operations simulations for business training without certified engineering, architectural, or OSHA regulatory guarantees.

Continue Exploring Operations & Quality Tools

Explore our Operations & Quality Hub, balance production in the Takt Time Lab, benchmark statistical capability in the Process Capability Lab, or manage safety stock in the Safety Stock Lab.