投稿日:2024年8月31日

Efficient Allocation of Manufacturing Overhead and Cost Management Tips

Manufacturing overhead refers to the indirect costs associated with manufacturing processes.
It includes expenses like utilities, rent, depreciation, and salaries of support staff.
Effectively allocating these overhead costs is crucial for maintaining a clear picture of production expenses and ensuring accurate pricing of products.

Understanding Manufacturing Overhead

Manufacturing overhead costs can often be tricky to manage because they are not directly linked to the production of a specific product.
These costs spread over multiple products and processes within a manufacturing facility.
For instance, the electricity used to power all machinery in a factory is an overhead cost.
Unlike direct materials and direct labor, overhead needs a more thoughtful approach for allocation.

Overhead Allocation Methods

Several methods exist to allocate manufacturing overhead efficiently:

1. Traditional Cost Allocation

This method distributes overhead costs uniformly based on a single cost driver, such as direct labor hours or machine hours.
For example, if your factory uses machine hours to allocate overhead, and you have total overhead costs of $100,000 and 10,000 machine hours, the rate would be $10 per machine hour.
While simple, this method may not always accurately reflect the true use of overhead resources.

2. Activity-Based Costing (ABC)

ABC is a more precise method that allocates overhead based on multiple activities that contribute to overhead costs.
Activities are anything that can drive costs, including ordering supplies, setting up machines, or quality inspections.
By identifying and evaluating these activities, a business can allocate costs more accurately.
For example, if the cost to run quality inspections is $50,000 and there are 5,000 inspections, each inspection would bear a cost of $10.

3. Job Order Costing

This approach allocates overhead costs to individual jobs or batches.
If your factory produces custom orders, job order costing would allocate overhead based on the resources each job consumes.
Direct materials, direct labor, and a portion of overhead are all considered in this method, making it ideal for bespoke manufacturing setups.

Cost Management Tips

Effective cost management goes hand-in-hand with overhead allocation.
Here are several tips to help you manage these costs effectively:

1. Conduct Regular Audits

Regularly auditing your overhead costs can identify inefficiencies and areas where you can reduce expenses.
Compile a comprehensive list of all overhead expenses and review them to see where savings can be made.
For instance, if electricity usage seems high, investigate whether machinery is being left on unnecessarily.

2. Automate Where Possible

Automation can significantly reduce overhead costs by increasing efficiency.
Automated systems can handle tasks like inventory management, reducing the need for manual labor.
This not only cuts labor costs but also improves accuracy and efficiency.

3. Train Your Workforce

A well-trained workforce can enhance productivity and reduce waste.
Invest in regular training programs to ensure your staff is proficient in using machinery and technology, which can lead to fewer errors and more efficient use of resources.

4. Implement Lean Manufacturing

Lean manufacturing aims to minimize waste without compromising productivity.
Streamline processes, reduce inventory levels, and focus on continuous improvement to keep overhead costs low.
Identify and eliminate non-value-adding activities within your production process.

5. Optimize Resource Utilization

Efficient use of resources like labor and materials directly impacts overhead costs.
Monitor and optimize the use of these resources.
For instance, ensure that production schedules are properly managed to avoid overtime costs.

6. Use Technology for Monitoring

Invest in advanced monitoring systems to keep track of overhead costs in real-time.
Software that tracks utility usage, machine downtime, and other variables can provide invaluable insights into where your money goes.
This allows for quicker adjustments and more accurate budgeting.

Tracking and Adjusting Costs

Flexibility is essential when it comes to managing overhead costs.
Consider the following approaches:

1. Set Benchmarks

Establish benchmarks for overhead costs and regularly compare your actual expenses against these standards.
This can highlight discrepancies and provide a basis for making necessary adjustments.
For instance, if your electricity consumption exceeds the benchmark consistently, further investigation and corrective steps are warranted.

2. Implement Variable and Fixed Overhead Analysis

Understand the difference between variable and fixed overhead costs.
Variable costs change with production levels, whereas fixed costs remain constant regardless.
By analyzing these separately, you can better manage each type and reduce unnecessary expenses.

3. Regularly Update Cost Data

Keep your cost data up-to-date to reflect the actual expenses.
This will ensure your overhead allocation remains accurate.
Adjust your cost allocation methods and strategies based on this updated data to maintain cost-effectiveness.

Benefits of Efficient Overhead Allocation

Making the effort to allocate overhead efficiently brings several benefits:

1. Accurate Product Pricing

Accurate allocation ensures that product pricing reflects true production costs.
This is crucial for setting competitive prices without sacrificing profitability.

2. More Informed Decision-Making

When overhead costs are accurately tracked and allocated, it enables better decision-making.
You can easily identify profitable products and those that need cost adjustments or improvements.

3. Improved Budgeting

Efficient overhead allocation provides a clear picture of your cost structure, aiding in more effective budgeting.
This ensures that resources are appropriately allocated, helping to avoid unexpected shortfalls or surpluses.

4. Enhanced Profitability

Reducing and accurately managing overhead costs can lead to improved profitability.
Every dollar saved on overhead is a dollar added to the bottom line.

Efficient allocation of manufacturing overhead and cost management is vital for any manufacturing business.
By understanding different allocation methods, implementing cost management strategies, and continuously tracking and adjusting expenses, businesses can significantly improve their financial health and competitive edge.

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