Business

Days Sales Outstanding Calculator

Estimate average collection days from credit sales and receivables.

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

Use figures from the same reporting period.

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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 receivables, credit sales, 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 receivablesNumeric value. Unit: money. Must be greater than zero.20000
Credit salesNumeric value. Unit: money. Must be greater than zero.120000
Days in periodNumeric value. Unit: days. Must be greater than zero.365

Result for these sample inputs

60.8333333 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

DSO = average receivables/credit sales × days in period.

A WORKED EXAMPLE

Using average receivables = 20000 money, credit sales = 120000 money, days in period = 365 days, the result is 60.8333333 days. Change these example inputs to match your task; use the method above to check each step.

What to keep in mind

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.