How Product Costing Differs for Make-to-Order (MTO) Manuf…

Ever wondered why some manufacturers need a unique approach to setting product costs? For make-to-order (MTO) manufacturers, each customer order is different—and so is the costing process.

Understanding how product costing differs for MTO operations is vital for accurate pricing, profit planning, and customer satisfaction. If you’re involved in custom manufacturing or curious about how tailored orders impact the bottom line, this article is for you.

We’ll break down the key differences, guiding you through the process and sharing practical tips to optimize your MTO costing strategy.

How Does Product Costing Differ for Make-to-Order (MTO) Manufacturers?

When it comes to manufacturing, there are several production strategies to consider. Two of the most common are Make-to-Order (MTO) and Make-to-Stock (MTS). Product costing — the process of determining the total cost required to manufacture a product — varies significantly between these two models. This article focuses on how product costing is unique and more complex for MTO manufacturers, explores the fundamental differences, discusses key benefits and challenges, and provides practical tips for optimizing your costing process.


Understanding Make-to-Order (MTO) Product Costing

What Is Make-to-Order Manufacturing?

Make-to-Order (MTO) manufacturing means you only produce an item once a customer has placed an order. Each order is typically customized to specific client requirements. This contrasts with Make-to-Stock (MTS), where products are made in advance and stored until they are sold.

How Is Product Costing Different for MTO?

Unlike standard costing for mass-produced goods, MTO product costing must consider the unique configuration, material needs, and resource requirements for each customer order. Here’s how it differs in practice:


MAKE-TO-ORDER (MTO) MANUFACTURING Multi-Modal Industry Brief - how does product costing differ for make-to-order mto manufacturers

  • Costs are tracked and recorded by sales order or project, not by bulk production batch.
  • Direct association between incurred costs (materials, labor, overhead) and each individual order.
  • Requires more detailed tracking, reporting, and analysis.
  • Fluctuates much more between orders due to the customized nature of production.

Key Steps in Product Costing for MTO Manufacturers

Costing for Make-to-Order can be broken down into several detailed steps to ensure accuracy and efficiency:

1. Order Receipt and Sales Order Creation

The process begins when a customer’s specifications are received.

  • A unique sales or production order is created to represent the customer’s requirements.
  • Engineering or design may be involved if customization is extensive.

2. Configuration and Planning

  • Bill of Materials (BOM) and routing are adjusted or created for the unique product.
  • Materials, components, and labor requirements are defined specifically for this order.
  • Initial cost estimation is performed based on unique configurations.

3. Material Procurement and Allocation

  • Materials are ordered or allocated specifically for the sales order.
  • Inventory management closely tracks which items are allocated to each order.
  • Surpluses or shortages directly impact order costs.

4. Production and Tracking

  • Labor hours and machine time are tracked per sales order.
  • Any changes during production (engineering adjustments, rework, additional features) are recorded against the same order.
  • Quality control and inspection costs are likewise tracked individually.

5. Overhead Allocation

  • Overhead costs are assigned to specific orders, often using activity-based costing for better accuracy.
  • Costs like setup, tooling, or special handling are evaluated on a per-order basis.

6. Final Cost Compilation and Settlement

  • At completion, all actual costs (materials, labor, overhead) are compiled for the order.
  • Variances are analyzed between estimated and actual costs.
  • Costs are settled and profits analyzed at the individual order level.

Benefits of Detailed Product Costing in MTO

1. Accurate Profitability Analysis

You gain a precise view of the profitability of each project or sales order, enabling smarter quoting and resource allocation.

2. Enhanced Customer Satisfaction

Detailed cost tracking ensures you can deliver on custom requirements and timelines, increasing customer trust and satisfaction.

3. Informed Decision Making

Granular cost visibility helps you spot trends, inefficiencies, or recurring issues — paving the way for continuous improvement.

4. Reduced Waste

Because resources are ordered and applied as needed for each specific order, there’s less risk of excess inventory or unused materials.


Challenges of MTO Product Costing

While the benefits are significant, there are also unique challenges:

  • Complexity: Every order is different, making it tough to standardize processes.
  • Data Requirements: Detailed data capture is necessary, requiring robust systems and disciplined staff.
  • Higher Administrative Effort: More tracking and reporting per order increases administrative workload.
  • Estimating Difficulties: Since each job may be unique, developing accurate cost estimates can be challenging.

Practical Tips and Best Practices for MTO Costing

To maximize accuracy, efficiency, and profitability, consider incorporating these best practices into your Make-to-Order costing process:

1. Implement a Robust ERP System

Choose enterprise software that allows order-specific cost tracking, real-time inventory management, and flexible BOMs. This streamlines data collection and reporting.

2. Develop Standardized Costing Templates

While orders are unique, templates for estimating common fabrication or assembly operations can help standardize and speed up the costing process.

3. Train Your Team

Educate engineering, production, and finance staff on the importance of accurate order-level data capture and the impact on costing.

4. Continuously Analyze Cost Variances

Regularly review differences between estimated and actual costs, investigating significant variances to discover root causes and opportunities for improvement.

5. Leverage Activity-Based Costing (ABC)

Adopting ABC helps ensure that overheads are assigned to orders based on real consumption of activities, leading to greater accuracy.

6. Focus on Communication and Collaboration

Encourage close coordination between sales, engineering, procurement, and production to ensure customer requirements and cost implications are clearly understood from the start.

7. Review and Update BOMs and Routings

Keep base templates up to date, reflecting latest material, labor, and process changes. This simplifies order-specific adjustments and cost estimating.


Comparing MTO and MTS Costing: A Quick Overview

Aspect MTO Costing MTS Costing
Product Design Often unique/custom Standardized
Cost Tracking Per order/project Per batch/bulk
Overhead Custom allocated Spread across units
Estimating Based on specs Based on history
Inventory Lower, order-based High, stock-based
Variance High, order-unique Lower, averaged

Real-World Examples of MTO Costing Complexity

Consider an industrial equipment manufacturer specializing in custom machinery:

  1. Each machine is engineered-to-order based on unique customer processes.
  2. Specific components must be sourced from different suppliers each time.
  3. Specialized labor, testing, and installation are required for each unit.
  4. Costing must capture all direct and indirect costs per machine — from design to delivery — for accurate pricing and margin analysis.

Common Mistakes to Avoid

  • Underestimating setup or engineering costs: Always account for design time and production setup unique to each order.
  • Ignoring change orders: Modifications after starting production can drastically increase costs; be sure to track and reflect these changes in your costing.
  • Overlooking overhead allocation: Assign overheads carefully, otherwise reported profits may be misleading.

Key Takeaways

Product costing for Make-to-Order manufacturers is inherently more detailed and individualized than for Make-to-Stock environments. The primary differences stem from:

  • The unique configuration of each order.
  • The need for strict tracking of every resource used per project.
  • The perpetual balancing act between precision and efficiency in cost tracking.

By understanding these differences and implementing best practices, you can gain powerful insights into order-level profitability, customer service, and long-term business growth.


Frequently Asked Questions (FAQs)

What is the main difference between MTO and MTS costing?
The primary difference is that MTO costing tracks costs for each unique customer order, whereas MTS costing averages costs across large production batches of standard items.

Why is order-level costing important in MTO manufacturing?
Order-level costing ensures that all materials, labor, and overhead allocated to a specific customer order are accurately tracked, enabling better pricing, profitability analysis, and post-project review.

How can I improve the accuracy of MTO product costing?
Use an ERP system capable of detailed order tracking, maintain up-to-date BOMs, train staff on accurate data entry, and regularly review actual vs. estimated costs.

What are some overhead allocation best practices for MTO manufacturers?
Adopt activity-based costing to apportion overheads based on actual activities consumed by each order, such as engineering hours, special setups, or quality inspections.

How do change orders affect MTO product costing?
Changes after the start of production can significantly impact costs. It’s crucial to track all changes at the order level, adjust cost estimates, and communicate updates promptly to stakeholders and customers.


By recognizing the unique requirements of Make-to-Order product costing, you set your manufacturing operation up for greater accuracy, responsive service, and sustained profitability.

How Product Costing Differs for Make-to-Order (MTO) Manuf…

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