In logistics, fill rate is a metric used to measure the efficiency of a shipping and distribution process. It represents the proportion or percentage of the total demand that is fulfilled or correctly filled with the products ordered in a given period of time.
The fill rate is calculated by comparing the number of products or orders successfully delivered to the total number of products or orders ordered. For example, if 100 product orders were received and 90 complete orders were successfully delivered, the fill rate would be 90%.
A high fill rate indicates a good ability to fulfill customer orders efficiently, which translates into higher customer satisfaction. customer satisfaction and better inventory management. On the other hand, a low fill rate may indicate problems in the logistics process, such as lack of stock, delivery delays, picking or packaging errors, among others.
Fill rate is an important metric for assessing the quality and efficiency of the supply chain. Companies often set fill rate targets to ensure an adequate level of customer service and optimize their logistics operations. By monitoring and improving fill rate, companies can identify areas for improvement in their processes and take steps to reduce shortfalls and errors in product delivery.
Why is fill rate important for my business?
The fill rate is important for a business or company for several reasons:
- Customer satisfaction: A high fill rate means that the company is efficiently fulfilling customer orders and delivering the requested products in a timely manner. This generates higher customer satisfaction, as they receive what they need when they need it. A satisfied customer is more likely to make repeat purchases and recommend the company to others, which in turn can increase sales and the company's reputation.
- Customer loyalty: A high fill rate contributes to customer loyalty. When customers receive their orders complete and on time, it builds trust and strengthens the relationship with the company. Satisfied customers are more likely to buy again in the future and to maintain a long-term business relationship with the company.
- Competitiveness: In a competitive market, fill rate can make the difference between a company and its competitors. A company with a high fill rate has a competitive advantage, as it can offer a more reliable and efficient service to its customers. This can help attract new customers and retain existing ones, resulting in increased market share.
- Inventory optimization: Fill rate is also related to inventory management. A low fill rate can indicate stock problems, such as product shortages or demand planning difficulties. By monitoring fill rate, companies can identify demand patterns, improve forecast accuracy and adjust their inventory levels more efficiently. This can help reduce warehousing costs and minimize product obsolescence .
- Operational efficiency: A high fill rate indicates efficiency in the company's logistics and distribution processes. This implies better coordination between different departments, from order management to packaging and delivery. By improving the fill rate, companies can identify and correct potential bottlenecks, optimize their operations and reduce costs associated with errors and returns.
In summary, fill rate is important to a business or company because it is directly related to customer satisfaction, loyalty, competitiveness, inventory optimization and operational efficiency. By improving fill rate, companies can achieve more reliable service, increase customer loyalty and improve their bottom line.

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How to calculate the fill rate?
The fill rate is calculated by comparing the number of completed orders successfully delivered with the total number of orders requested. Here is the formula to calculate it:
Fill Rate = (Completed Orders / Total Orders) * 100
Step by step:
Determines the total number of orders that were received during a specific time period. This will be the "Total Orders" value.
Next, count the number of orders that were successfully delivered, i.e., those in which all the products ordered were provided and delivered correctly. This number will be the "Orders Completed" value.
Divide the number of completed orders by the total number of orders and multiply by 100 to obtain the fill rate.
Here are two examples to illustrate how to calculate the fill rate:
Example 1: Suppose that in one month you received a total of 200 orders and of those, 180 orders were delivered complete and correctly. Applying the formula:
Fill Rate = (180 / 200) * 100 = 90%.
The fill rate in this example would be 90%.
Example 2: Let's imagine that 80 orders were received during a week, but only 70 orders were delivered completely and correctly. Applying the formula:
Fill Rate = (70 / 80) * 100 = 87.5%.
The fill rate in this case would be 87.5%.
Remember that fill rate is an important metric for evaluating supply chain efficiency and customer satisfaction. A higher fill rate indicates a better ability to fulfill orders, which translates into more satisfied customers and greater competitiveness in the marketplace.
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Difference between fill rate and OTIF
Fill rate and OTIF (On-Time-In-Full) are two related but distinct metrics in the field of logistics and supply chain management. Here, we explain the difference between the two:
Fill Rate: Refers to the proportion or percentage of total demand that is successfully filled with the products ordered in a given period of time. It is calculated by dividing the number of completed orders successfully delivered by the total number of orders and multiplying by 100. The fill rate focuses on the number of products successfully delivered, regardless of the timeliness of delivery.
OTIF (On-Time-In-Full): OTIF focuses on the timeliness and completeness of order delivery. It measures a company's ability to deliver products in full and within the timeframe agreed with the customer. An order is considered to be delivered in full and on-time if both criteria are met. OTIF is expressed as a percentage and is calculated by dividing the number of orders delivered in full and on-time by the total number of orders and multiplying by 100.
In summary, the main difference between fill rate and OTIF lies in their focus: fill rate focuses on the number of orders filled correctly, while OTIF focuses on the timeliness and completeness of order delivery. Both metrics are important for evaluating logistics performance, but offer different perspectives in terms of efficiency and customer satisfaction.
5 tips to improve fill rate
Are you wondering how to improve this indicator? Here are some tips for you to apply in your business:
- Improve accuracy in demand planning: Demand planning is key to ensuring that you have sufficient inventory on hand to fulfill customer orders. Use accurate forecasting techniques and tools to estimate demand more effectively, considering factors such as historical trends, promotional events and seasonal changes.
- Optimize the inventory management process: Maintain thorough inventory control and ensure that you have sufficient stock of popular and high-demand products. Regularly monitor inventory levels, establish appropriate reorder points and use efficient inventory management systems to minimize errors and ensure timely replenishment.
- Improve internal communication and collaboration: Encourage smooth communication and effective collaboration between different departments in your company, such as the sales team, logistics team and customer service team. Clear and coordinated communication will help avoid confusion, errors and delays in order processing and delivery.
- Automate logistics processes: Consider implementing automated technologies and systems to streamline and optimize logistics processes. From order management and picking to packing and shipping, automation can reduce human error, improve efficiency and speed order fulfillment time.
- Establishes key performance indicators (KPIs): Define and monitor specific KPIs related to fill rate. This will allow you to continuously evaluate your company's logistics performance and detect areas for improvement. Some useful KPIs may be overall fill rate, fill rate by product or category, and average order fulfillment time. Use these KPIs as tools to proactively identify problems and take corrective action.
Remember that improving fill rate requires a holistic approach across the supply chain and an ongoing commitment to efficiency and service quality. Implement these tips on an ongoing basis and make adjustments based on the specific needs of your business to achieve sustained fill rate improvement.
At ABC Logistics we integrate and implement these strategies, processes and logistics systems with the sole purpose of offering quality service and adding value to each of our customers.
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