Fractional CFO
Working Capital Management: Unlocking Cash Trapped in AR, AP, and Inventory
For small businesses, working capital is where the cash lives. A practical guide to shrinking DSO, extending DPO responsibly, and taming inventory without breaking operations.
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Why Working Capital Beats Cutting Costs
- Owners often chase profitability by cutting expenses when the real cash lever is working capital, money already earned but stuck in receivables, inventory, or unfavorable payables terms.
- Reducing your cash conversion cycle by 15 days on a $5M revenue business releases roughly $200,000 in cash, permanently, not once.
- Working capital freed up is cheaper than any external financing you could raise. It costs nothing but process discipline.
- The cash conversion cycle formula: Days Inventory Outstanding + Days Sales Outstanding − Days Payables Outstanding. Every day matters.
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Educational content, not tax, legal, or accounting advice. Confirm with a CPA before acting.
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Frequently asked questions
How to calculate working capital, and what is a healthy ratio?
Working capital is current assets minus current liabilities, taken straight from the balance sheet. The working capital ratio (also called the current ratio) divides the two instead, and most small businesses aim for somewhere between 1.5 and 3.0: below that, liquidity is tight, and far above it usually means cash is idle or inventory is bloated. Negative working capital is a warning in most businesses, though subscription and restaurant models that collect before paying suppliers can run it healthily by design.
What is the cash conversion cycle?
It is the number of days between paying cash out and collecting cash back: Days Inventory Outstanding + Days Sales Outstanding − Days Payables Outstanding. Shrinking it releases cash permanently: cutting the cycle by 15 days on a $5M-revenue business frees roughly $200,000, and unlike a cost cut, that cash comes out once and stays out.
How do I get customers to pay faster without damaging relationships?
Invoice the day work is delivered, not weekly or at month-end. Move net-30 clients toward net-15 or card-on-file; long-standing customers rarely push back on small terms changes. Automate dunning at days 30, 45, and 60 with escalating tone, and require ACH autopay or card-on-file for repeat customers after the first invoice. Track DSO by customer segment; one slow payer often drives most of the aging.
Should I ever pay vendors early?
Only when you get a documented discount for it. Otherwise pay on the agreed terms (not a day early), and batch payments into a scheduled twice-monthly cycle. Renegotiate net-45 or net-60 with your five largest vendors annually; most will agree in exchange for autopay or a longer commitment. Never stretch terms silently; a damaged supplier relationship costs more than the float gains.
How do I reduce inventory without causing stockouts?
Segment SKUs by revenue and margin contribution: the top 20% of SKUs usually hold 70–80% of the working capital, so focus discipline there. Set reorder points and safety-stock levels per SKU instead of over-ordering 'just in case,' review dead inventory monthly (discount or write off anything unsold in 12 months), and negotiate consignment terms for slow movers so the vendor carries the cash cost.
Which working capital metrics should I track monthly?
Report DSO, DPO, and Days Inventory every month alongside the P&L, with an owner assigned to each metric. Set annual targets in days (shrink DSO by five, extend DPO by three, cut Days Inventory by ten), and translate the movement into dollars of cash released. A visible 'released working capital' number is what keeps the effort alive after the first quarter.
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