Working Capital: The Cash Conversion Cycle for SMEs

Inventory, receivables, and payables in one view, so growth does not silently drain your current account.

Prem Bhatnagar
Financial Advisor
Mar 12, 2026
8 min read
Working Capital: The Cash Conversion Cycle for SMEs

Working Capital: The Cash Conversion Cycle for SMEs

A growing order book and a good gross margin on paper are not the same as cash in the current account. Working capital is the money tied up in everyday business: stock waiting to be sold, bills your customers have not yet paid, and the grace you have from your own suppliers. If that loop is long, the business can be “profitable” in the book and still miss payroll or GST. Understanding the cash conversion cycle helps the owner act before the bank has to.

The Three Levers, in Plain Words

Inventory is cash you have already spent but have not yet turned into a sale. Receivables are sales you have already booked in many cases, but the customer has not paid. Payables are the opposite: you have received goods or services, but the supplier is still waiting. The cycle, in the simplest form, is: you pay the supplier, you hold or process stock, you sell, you wait to collect, then the loop starts again. Lengthen any step and the same revenue needs more cash to keep running.

Days in Stock, in Debtors, in Creditors

DIO, DSO, and DPO, or the Indian small-business phrases “stock days,” “debtor days,” and “creditor days,” are the usual measures. A monthly note on each, even in a small notebook, is enough to see whether one customer’s payment has slipped from forty-five to seventy-five days, or whether slow-moving product is a quarter of your shelf. The fix is not always a bigger overdraft; often it is stricter terms, a smaller product range, or a conversation with a vendor about thirty extra days of credit.

Speeding the Cycle Without Harming the Relationship

Faster collection does not mean abusing the buyer. It can mean: advance on large orders, shorter credit for new accounts, a small cash discount, or a simple rule that the next order ships only if the last invoice is not past due. Trimming stock can mean a harder look at the SKUs that sell only twice a year. Better supplier terms can come from consolidating purchases, not from delaying payment without a word, which can break trust.

When Borrowing Makes Sense

Cash credit, overdraft, bill discounting, and post-shipment limits exist to finance a timing gap, not a permanent loss-making idea. The interest is a line on the P and L, so the spread on the product must support it. If the gap is there because the business is structurally loss making, no working capital line fixes that for long.

Family and Business: One Buffer or Two

Many founders fund the firm from a personal overdraft or skip their own salary when the cycle tightens. That is a choice with a cost at home. A separate family emergency fund and a clear “how much the business can take from the house” rule keeps one problem from becoming two. We look at that line often with clients.

Conclusion

You do not need a complex ERP to start. You need one honest sheet: stock value, who owes you how much, who you owe, and a ten-minute review every Friday. The earlier you see the loop stretching, the cheaper the fix.

Nakotra Financial Advisor helps you connect business liquidity to personal goals and savings so growth does not empty both sides. Contact us for a business review.

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Prem Bhatnagar

Financial Advisor

Certified financial advisor with a focus on salaried professionals and business owners in Gujarat. Advises on tax efficiency, goal-based investing, and risk-appropriate asset allocation without product sales pressure. This material covers business in general; seek personalized advice for decisions.

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