Days Payable Outstanding Calculator

Calculate days payable outstanding (DPO) from opening and closing payables and cost of goods sold to track supplier-payment timing.

902.3K uses Updated · 2026-05-14 Runs locally · zero upload
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The Days Payable Outstanding Calculator measures how long, on average, a company takes to pay its suppliers. Together with DSO and DIO it forms the cash conversion cycle, helping leaders manage working capital.

How to Use Days Payable Outstanding Calculator

  1. Enter opening and closing accounts payable balances.
  2. Enter cost of goods sold for the same period.
  3. Pick the number of days in the period.
  4. Review DPO and the average accounts payable used.

Formula & Theory - Days Payable Outstanding Calculator

avg_payables = (opening_payables + closing_payables) / 2
DPO = (avg_payables / COGS) × days

Use Cases for Days Payable Outstanding Calculator

  • Track supplier-payment timing.
  • Negotiate payment terms with vendors.
  • Calculate the cash conversion cycle.
  • Benchmark working-capital management across competitors.

Frequently asked questions about Days Payable Outstanding Calculator

Is a higher DPO always better?

Higher DPO retains cash longer, but stretching payments too far can damage supplier relationships and credit terms.

How does DPO interact with DSO and DIO?

CCC = DSO + DIO − DPO. Increasing DPO can reduce the cash conversion cycle.

Why include opening and closing payables?

Averaging the balances reflects working-capital changes during the period more accurately.

Is my data stored?

No. Everything runs in your browser.