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The difference between Operating Rate and Utilization Rate

Understanding the differences between operating rate and utilization rate can often seem confusing, but they are crucial concepts in evaluating a business’s performance.
By diving into their definitions, implications, and usage, we can grasp these terms more clearly.
目次
What is Operating Rate?
The operating rate is an important metric that businesses use to measure efficiency.
It represents the ratio of a company’s actual output to its maximum potential output.
In other words, the operating rate measures how much a firm is producing compared to what it could produce under ideal conditions.
稼働率(Operating Rate)は実際の生産量÷最大生産能力で算出し、生産効率を測る指標です。一方利用率(Utilization Rate)は使用中の資源÷利用可能な資源で算出し、設備や人員の活用度を測ります。前者は産出ベース、後者は資源ベースで企業のパフォーマンスを評価します。
For example, if a factory can produce 10,000 units of a product per month but is currently producing 8,000 units, the operating rate is 80%.
This percentage shows that the factory is operating at 80% of its full capacity.
Why the Operating Rate Matters
The operating rate is essential because it helps businesses understand their production efficiency.
A high operating rate implies that the company is utilizing its resources well and meeting demand effectively.
On the other hand, a low operating rate may indicate problems such as equipment breakdowns, labor shortages, or reduced demand for the product.
Monitoring the operating rate helps companies identify areas where they can improve productivity and efficiency.
It also aids in capacity planning and decision-making about whether to scale up production or invest in more resources.
What is Utilization Rate?
The utilization rate, while similar to the operating rate, has a different focus.
It measures the percentage of a firm’s available resources that are actively being used in production.
This means looking at resources like machinery, labor, and space, and seeing how much of them are actually being employed to produce goods or services.
For instance, if a company has 100 machines and 80 of them are currently in use, the utilization rate is 80%.
This indicates that 80% of the firm’s equipment is being used to generate output.
Why the Utilization Rate Matters
The utilization rate is critical because it directly affects the company’s costs and profitability.
A high utilization rate signifies that the company is making the most out of its resources, potentially leading to lower production costs and higher profits.
Conversely, a low utilization rate could mean underused assets, leading to inefficiencies and unnecessary expenses.
Identifying underutilized resources through the utilization rate allows businesses to improve their operations.
They can decide whether to repurpose unused assets, cut down on unnecessary expenditures, or streamline processes to boost productivity.
稼働率・利用率・総合効率の比較
| 観点 | 稼働率(Operating Rate) | 利用率(Utilization Rate) | 総合効率(OEE的視点) |
|---|---|---|---|
| 生産量の把握 | ◎ 実生産量を直接反映 | ○ 間接的に推定可能 | ◎ 産出と資源を統合評価 |
| 資源活用の可視化 | △ 設備・人員の遊休は見えにくい | ◎ 機械・労働力の使用状況を明確化 | ◎ 資源と産出を同時に把握 |
| 算出の容易さ | ◎ 実績÷能力でシンプル | ○ 稼働資源の集計が必要 | △ 複数指標の統合で複雑 |
| ボトルネック特定 | △ 原因までは特定困難 | ○ 遊休資源を特定可能 | ◎ 工程別の課題を多角的に分析 |
The Key Differences Between Operating Rate and Utilization Rate
While both the operating rate and utilization rate are measures of efficiency, they serve different purposes and focus on various aspects of production.
Focus Areas
The operating rate primarily focuses on the actual output versus potential output.
It looks at how effectively a company meets its production goals.
On the other hand, the utilization rate focuses on the usage of available resources.
It examines how well a company utilizes its assets, such as machinery and labor.
Calculation Basis
The operating rate calculation is based on the actual production compared to the maximum possible production.
It’s all about actual output as a percentage of potential output.
On the contrary, the utilization rate calculation relies on the proportion of resources in use.
It looks at how much of the company’s tools, equipment, and labor force are actively contributing to production.
Implications for Business Operations
The operating rate is vital for understanding production efficiency and meeting demand.
It highlights whether a company manages to produce enough goods to meet customer orders and market needs.
Meanwhile, the utilization rate is more focused on resource optimization.
It reveals how efficiently a company is using its assets, which affects costs and profit margins.
調達バイヤーが押さえるポイント
サプライヤー選定時は稼働率と利用率の両方を確認すること。稼働率が高くても利用率が低い工場は、需要急増時に追加対応の余力があり柔軟な増産対応が期待できます。逆に両方高い工場はリードタイムリスクに注意。
Examples to Clarify Understanding
Let’s take a closer look at a hypothetical example to explain the difference.
Imagine a car manufacturing plant with the capacity to produce 1,000 cars per month.
If the plant produces 900 cars in one month, the operating rate is 90%.
Now, consider that the plant has 100 assembly line workers, but only 75 are actively engaged in car production.
The utilization rate of the workforce is 75%.
This example shows that while the plant is effectively meeting production targets (high operating rate), it might not be using its workforce to maximum capacity (lower utilization rate).
Importance for Decision-Making
Recognizing the difference between operating rate and utilization rate helps business leaders make informed decisions.
High operating rates coupled with low utilization rates might prompt a review of resource allocation strategies.
Conversely, high utilization rates with low operating rates could indicate bottlenecks in the production process.
Analyzing both rates gives a comprehensive understanding of a company’s performance and areas for improvement.
Businesses can balance increasing production with making the most out of available resources.
サプライヤーの技術差別化ポイント
高利用率かつ高稼働率を両立できる体制が競争力の源泉。設備の予防保全、多能工化、生産スケジューリングの最適化により遊休資源を最小化しながら需要変動にも対応できる柔軟性を提示することで顧客信頼を獲得できます。
よくある質問(FAQ)
Q. 稼働率と利用率はどちらを優先して管理すべきですか?
A. 両方を並行管理することが重要です。稼働率は需要への対応力、利用率は資源効率を示すため、片方だけでは経営判断を誤ります。両指標を組み合わせることで、増産余力とコスト構造を同時に把握できます。
Q. 稼働率が高いのに利益が出ないのはなぜですか?
A. 稼働率が高くても利用率が低い場合、設備や人員に遊休が発生しコストが膨らんでいる可能性があります。資源配分を見直し、未活用資産の転用や経費削減を検討することで利益率の改善が期待できます。
Q. 利用率を上げるための具体策はありますか?
A. 遊休設備の他工程転用、多能工化による労働力の柔軟配置、生産スケジュールの平準化が有効です。ボトルネック工程の特定と能力増強により、全体の利用率を底上げできます。
Q. 稼働率100%は理想ですか?
A. 必ずしも理想ではありません。100%稼働は需要変動への対応余力がゼロを意味し、急な受注増や設備トラブル時にリスクとなります。一般的には80〜90%を目安に、余力を残した運用が推奨されます。
Conclusion
Understanding the difference between operating rate and utilization rate is key to optimizing business performance.
The operating rate measures actual output versus potential output, focusing on production efficiency.
The utilization rate, on the other hand, assesses how well a company uses its available resources.
By keeping tabs on both these metrics, businesses can enhance their operations, reduce costs, and boost profitability.
This understanding aids in better decision-making and strategic planning, ensuring that companies remain competitive and efficient.
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