Productivity Gap Increases as Majority of U.S. Warehouses are Supported by a WMS System

Measuring Warehouse Productivity: Key Metrics

Understanding warehouse productivity requires tracking specific metrics that reveal operational efficiency and identify improvement opportunities. The most critical measurement is orders per labor hour, which calculates total completed orders divided by total labor hours worked. This comprehensive metric reflects overall warehouse performance and directly correlates to profitability.

Picks per hour measures individual worker efficiency by tracking how many items are selected from inventory locations within a given timeframe. Industry benchmarks typically range from 100-200 picks per hour, depending on warehouse layout and product characteristics. Similarly, lines per hour focuses on order line completion rates, providing insight into order complexity and processing speed.

Receiving dock-to-stock time measures how quickly incoming inventory moves from delivery trucks to proper storage locations. Efficient operations target dock-to-stock times under 24 hours for standard products, while complex items may require 48-72 hours for proper processing and quality checks.

Inventory accuracy percentage represents the most crucial operational metric, measuring how closely physical inventory matches system records. World-class warehouses maintain 99%+ accuracy rates, while facilities without proper systems often struggle to achieve 90% accuracy.

Benchmarking these metrics against industry standards reveals performance gaps and improvement opportunities. WERC annual surveys provide valuable comparison data, showing that WMS-enabled facilities consistently outperform manual operations across all key metrics. Regular measurement and analysis of these indicators enable warehouse managers to make data-driven decisions that drive continuous improvement and competitive advantage.

Closing the Productivity Gap with WMS Features

Modern WMS platforms deliver measurable productivity improvements through intelligent automation and optimization features. Directed putaway eliminates guesswork by calculating optimal storage locations based on product velocity, size, and picking patterns. This feature can reduce putaway time by 25-30% while improving inventory organization and retrieval efficiency.

Zone picking optimization maximizes worker productivity by assigning picks within specific warehouse areas, reducing travel time and increasing familiarity with product locations. Combined with batch picking capabilities, zone optimization can increase pick rates from 100 to 150+ picks per hour.

Task interleaving represents one of the most powerful productivity features, automatically sequencing putaway and picking tasks to minimize empty travel time. Workers complete picks while moving toward putaway locations, potentially increasing overall productivity by 20-35% compared to single-task workflows.

Automated replenishment triggers maintain optimal stock levels in forward pick locations by monitoring inventory quantities and automatically generating replenishment tasks before stockouts occur. This proactive approach eliminates pick delays and maintains consistent throughput rates.

Barcode and RF scanning technology eliminates manual data entry errors while providing real-time inventory updates. Scanning capabilities increase picking accuracy to 99%+ while reducing transaction processing time by 50-70% compared to paper-based systems.

These integrated features work synergistically to create compounding productivity gains. Warehouses implementing comprehensive WMS solutions typically see 15-25% improvements in labor productivity within the first year, with continued optimization delivering additional gains over time.

The Warehouse Productivity Challenge

According to the Warehousing Education and Research Council (WERC), a minority of companies without WMS software makes up about one-third of U.S. facilities (35%).

The rest of U.S. facilities have invested in WMS software helping them do more with their staff and creating quicker processes to help their companies grow.

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Why WMS Adoption Matters

A WMS system seems like the obvious way to get ahead in this industry, yet some have yet to jump aboard the bandwagon. WMS technology has slowly entered the warehouse space for 10 years, but the implementation rate is at a glacial pace. In fact, the survey revealed that some facilities are still using Excel as their prime operating system; others are using Quickbooks, an accounting software. WERC analysts say that respondents are concerned about cost, but one of the overriding reasons is the perception that implementation can take too much time.

The survey also suggested:

• Voice-directed picking has grown the fastest over the last 10 years; Almost a quarter of respondents use the technology compared to just 6% in 2008.
• Usage of conveyors, carousels, and advanced shipping notification has declined since 2008.

The majority of U.S. facilities, however, have seen the true results of investing in software. The benefits are clear: Greater transparency, efficiency, cost savings, analytics, ability to deliver e-commerce fulfillment, and opportunities for growth. Warehouses that are running systems that are disconnected from the digital supply chain are susceptible to falling farther behind their logistics partners — And the competition, which will guarantee customers faster and more efficient service. WMS software might be the solution to your company’s problems.

Does your facility use WMS software? What impact has it had on your company? If you don’t have WMS software yet, do you see your company making the investment soon? 

Contact Argos today to learn more about our WMS software and find out how we can help you. 

Frequently Asked Questions

How long does WMS implementation typically take for warehouses?

WMS implementation timelines vary significantly based on warehouse size, complexity, and system requirements. Small to medium warehouses typically see 3-6 month implementations, while larger facilities may require 6-12 months or more. The perception that implementation takes too long is one of the main barriers preventing adoption, though modern cloud-based WMS solutions often offer faster deployment options.

What percentage of warehouses still use Excel instead of WMS?

According to WERC survey data, approximately 35% of U.S. warehouse facilities still operate without WMS software. Many of these facilities rely on basic tools like Excel spreadsheets or accounting software like QuickBooks for warehouse operations. This represents a significant portion of the industry that hasn’t yet adopted dedicated warehouse management technology.

Why are some warehouse technologies declining in usage since 2008?

Traditional warehouse technologies like conveyors, carousels, and advanced shipping notification systems have seen declining usage as facilities shift toward more flexible, software-driven solutions. These physical automation systems often require significant capital investment and lack the adaptability of modern WMS platforms. Companies are prioritizing technologies like voice-directed picking that offer better ROI and scalability.

What is voice-directed picking and why is it growing?

Voice-directed picking uses speech recognition technology to guide warehouse workers through pick tasks hands-free via headsets. Usage has grown from just 6% in 2008 to nearly 25% today because it increases picking accuracy, improves productivity, and reduces training time. Workers can keep their hands and eyes free while receiving real-time instructions, making it safer and more efficient than paper-based picking methods.

Can small warehouses afford WMS software implementation costs?

Modern WMS solutions offer various pricing models to accommodate different warehouse sizes and budgets. Cloud-based WMS systems typically use subscription pricing starting from hundreds to thousands per month, eliminating large upfront costs. Many small warehouses find that efficiency gains, reduced errors, and labor savings from WMS implementation quickly offset the software costs within the first year of operation.