Business

Days Payable Outstanding Calculator

Estimate supplier payment days under a COGS-based convention.

Use a consistent reporting periodCheck the calculation below
Business dashboard
Business dashboard

Use figures from the same reporting period.

See the method

Enter your business figures

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Use the Calculate button to see your result.

Review the method below for assumptions and conventions.

How to use this tool

  1. Enter average accounts payable, cost of goods sold, days in period.
  2. Select Calculate to view the result.
  3. Check the method and assumptions below before using the result.

Input reference and sample values

Use the units and choices shown for each field. Sample values are provided for practice, not as recommendations.

InputFormat and unitsSample
Average accounts payableNumeric value. Unit: money. Must be greater than zero.25000
Cost of goods soldNumeric value. Unit: money. Must be greater than zero.180000
Days in periodNumeric value. Unit: days. Must be greater than zero.365

Result for these sample inputs

50.6944444 days

Select Try the example in the form to load these values and calculate them again. This replaces the current form inputs. Compare the result with the method and worked explanation below.

The method, explained

DPO = average payables/COGS × days in period.

A WORKED EXAMPLE

Using average accounts payable = 25000 money, cost of goods sold = 180000 money, days in period = 365 days, the result is 50.6944444 days. Change these example inputs to match your task; use the method above to check each step.

What to keep in mind

Purchases may be a more appropriate denominator when reliable purchase figures are available. Use consistent currencies, reporting periods and accounting definitions. This arithmetic estimate excludes items not entered in the form.

Methodology maintained by ClarityKit. How these tools are built and checked.