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Accounts Payable Turnover

The accounts payable turnover divides annual COGS by average accounts payable. A turnover of 6 means the company pays off all invoices 6 times per year — roughly every 60 days. Lower turnover means the company is stretching payments to suppliers longer, which can improve cash flow but may strain supplier relationships.

The intuition

Payables are free financing from suppliers. A company that pays suppliers in 90 days has a 90-day interest-free loan. One that pays in 15 days does not.

Lower turnover (longer payment periods) improves cash flow but can damage supplier relationships and reputation. Higher turnover (quicker payment) signals financial strength or weak negotiating position.

How to calculate it

COGS ÷ Average accounts payable.

Example: A company with $100 million COGS, beginning payables of $12 million, and ending payables of $14 million has:

  • Average payables: ($12 million + $14 million) ÷ 2 = $13 million
  • Turnover: $100 million ÷ $13 million = 7.7x per year

Days payable outstanding (DPO): DPO = 365 ÷ Turnover = 365 ÷ 7.7 = 47 days.

The company takes about 47 days to pay suppliers on average.

When it works well

Cash flow management. A company extending payment terms improves working capital without expensive financing.

Supplier relationship assessment. Deteriorating turnover (paying slower) can signal financial distress or negotiating power.

Industry comparison. A company with turnover matching peers is in line. One much higher or lower stands out.

When it breaks down

Forced stretching is not strength. A company deliberately extending payments to improve cash flow is borrowing from suppliers — risky if suppliers cut credit.

It does not measure profitability. Stretching payables can improve cash flow but does not improve returns.

Quality of life impact. Late payments damage supplier relationships, reduce discount opportunities, and risk supply disruptions.

Cash conversion cycle

Accounts payable turnover is part of the cash-conversion-cycle:

CCC = Days inventory outstanding + Days sales outstanding − Days payable outstanding

A company extending payable terms (lower AP turnover) reduces CCC and improves cash flow.

Using accounts-payable-turnover in practice

Monitor alongside receivable and inventory turnover:

  1. Calculate DSO (receivables collection time).
  2. Calculate DIO (inventory holding time).
  3. Calculate DPO (payable payment time).
  4. CCC = DSO + DIO − DPO.

A tight CCC means cash flows quickly through operations. A company improving CCC (by collecting faster, turning inventory faster, or paying slower) is improving working capital management without additional capital.

A company that starts stretching payables (declining turnover) after years of steady practice signals potential cash stress.

See also