Fill Rate

What is fill rate?

Fill rate is the percentage of wholesale customer orders that are shipped complete and on time — without backorders, partial shipments, or substitutions. In apparel merchandising, fill rate is a critical service-level metric that directly affects retailer relationships, reorder likelihood, and brand reputation in wholesale channels.

Fill Rate = (Units Shipped on Time and Complete ÷ Total Units Ordered) × 100

A fill rate of 95% means that for every 100 units ordered by retail partners, 95 shipped as requested. The remaining 5 units were either backordered, cancelled, or shipped late.

Why fill rate matters in apparel

Wholesale apparel operates on tight delivery windows tied to seasonal floor sets. A retailer planning a Spring launch needs inventory on the floor by a specific date. Missed or incomplete shipments create cascading problems:

• →Lost floor space: Retailers allocate shelf and rack space in advance. Missing units mean empty fixtures or substitutions from competitors.
• →Chargebacks: Major retailers impose financial penalties — often 5–15% of order value — for late or incomplete shipments.
• →Reduced future orders: Retailers track vendor fill rates and reduce open-to-buy allocation for brands that consistently underperform.

What drives fill rate performance

Fill rate is the downstream result of the entire planning and production chain:

• →Accurate demand forecasting ensures production quantities match anticipated orders
• →Production lead time management prevents delays from raw material shortages or factory bottlenecks
• →Inventory positioning ensures finished goods are in the right distribution center when orders arrive
• →Size and color completeness — a partial shipment missing key sizes counts against fill rate even if total units are close to target

Industry benchmarks for apparel wholesale fill rates typically range from 90–97%, with top-performing brands targeting 95%+ consistently.