Working Capital Turnover: Measuring How Efficiently You Use Debt Facilities
Working capital turnover reveals whether your debt is generating revenue or just adding cost. Here's how to calculate and interpret it.
Borrowing money is easy. Borrowing money that actually generates more revenue than it costs is the hard part. Working capital turnover is the metric that tells you whether your debt facilities are productive or parasitic.
The Formula
Working capital turnover equals net annual sales divided by average working capital (current assets minus current liabilities). A higher ratio means each dollar of working capital generates more sales, signaling efficiency.
What a Healthy Ratio Looks Like
Ratios vary by industry, but generally a turnover between 5 and 10 indicates efficient use of working capital. Below 3 suggests capital is sitting idle; above 15 may indicate you're under-capitalized and straining operations.
Using the Metric to Guide Borrowing
If your turnover is strong, additional debt will likely convert to revenue. If it's weak, borrowing more without fixing operational inefficiencies simply increases cost without return. Always diagnose the ratio before adding leverage.
Track working capital turnover quarterly. It's the single best indicator of whether your commercial debt is fueling growth or dragging margins.
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