Assess Your Manufacturing Business’s Working Capital
Using the Cash Conversion Cycle
Manufacturing businesses can get a clearer understanding of cash flow issues with this practical approach to working capital assessments.
For many manufacturers, working capital becomes a greater area of focus when business conditions put additional pressure on cash and financing. Even when cash is not tight, a significant increase in interest rates can shift attention to working capital, as higher borrowing costs make it more expensive to finance day-to-day operations. Growth that strains operations can also elevate its importance. At other times, leadership teams might place greater emphasis on revenue growth, profitability, and production performance, while assuming cash flow will remain sufficient to support the business.
The reality is that working capital can erode long before it becomes a visible problem. Inventory accumulates, customers take longer to pay, and vendors get paid earlier than necessary. Individually, these issues might seem manageable. Together, they can tie up significant cash that could otherwise support growth, fund investments, or improve profitability.
While working capital analysis can be highly technical, manufacturers do not need a complex model to evaluate their position. A simple assessment of several foundational metrics can identify areas in which cash might be unnecessarily trapped and operational improvements could create meaningful financial benefits.
The answer typically lies with three primary components of working capital: inventory, accounts receivable, and accounts payable. Understanding how these areas interact provides a useful starting point for assessing overall working capital health.
Using the cash conversion cycle for working capital assessments
One of the most useful high-level measures of working capital performance is the cash conversion cycle, which measures how long it takes for a company to convert cash spent on inventory and operations back into cash received from customers.
The cash conversion cycle is calculated using three key working capital metrics:
- Days sales outstanding (DSO), or how long it takes customers to pay invoices
- Days inventory outstanding (DIO), or how long inventory remains on hand before being sold
- Days payables outstanding (DPO), or how long the company takes to pay suppliers
Together, these metrics determine the cash conversion cycle, which is calculated as: Cash conversion cycle = DSO + DIO – DPO. Manufacturers can ask themselves the following questions to evaluate whether further review might be warranted.
3 working capital assessment questions
Receivables: How quickly are customers paying?
Key questions
- Are customers consistently paying according to agreed terms?
- Has DSO increased over the past year?
- Do overdue invoices represent a growing percentage of receivables?
- Is there a consistent process for following up on late payments?
- Can we easily identify customers with chronic payment delays?
Common issues
If customers regularly pay beyond agreed terms, cash becomes trapped in receivables. For example, if suppliers must be paid within 60 days but customers consistently pay in 90 days, the business might need to fund the gap through cash reserves or external financing.
An aging analysis often reveals where problems are concentrated. Rather than viewing receivables as one large balance, manufacturers should understand how they fall into categories such as:
- Current
- 30 days past due
- 60 days past due
- 90 days past due
- More than 120 days past due
The older the receivable, the greater the pressure on working capital.
Turning insight into action
Manufacturers don’t need a major transformation initiative to begin improving working capital performance. A simple review of receivables, inventory, and payables often reveals opportunities to free up cash, reduce financing costs, and strengthen operational resilience.
The key is to move beyond viewing working capital as a finance metric alone. It is an operational measure that reflects how effectively the organization manages inventory, serves customers, works with suppliers, and converts activity into cash.
By regularly assessing foundational indicators – such as DSO, DIO, DPO, inventory turns, aging, and payment performance – manufacturers can identify warning signs early and address inefficiencies before they affect liquidity, profitability, or growth.
In an environment where economic conditions are uncertain and cash is valuable, a practical working capital assessment can provide a clear picture of operational health.
Make your working capital work more effectively for you
Bring working capital issues for your manufacturing business into focus.
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