Calculating your days sales outstanding is straightforward once you know the Days Sales Outstanding (DSO) formula and what each input means. This guide explains the method in plain language, walks through a manual calculation, and gives worked examples you can follow — then you can do it instantly with the Days Sales Outstanding (DSO) Calculator.
What is Days Sales Outstanding (DSO)?
The Days Sales Outstanding (DSO) calculation tells you your days sales outstanding from a few simple inputs. The figure you are solving for here is the days sales outstanding.
The Days Sales Outstanding (DSO) formula
The core formula is:
Days sales outstanding = Accounts receivable ÷ Total credit revenue × Days in periodHere is what each input means:
- Accounts receivable — a money amount. Example: ₹50,000.
- Total credit revenue — a money amount. Example: ₹3,65,000.
- Days in period — a number. Example: 365.
How to calculate it step by step
- Write down the accounts receivable (for example, ₹50,000).
- Write down the total credit revenue (for example, ₹3,65,000).
- Write down the days in period (for example, 365).
- Apply the formula above to get your days sales outstanding.
- Double-check the result with the Days Sales Outstanding (DSO) Calculator.
Worked examples
Example 1
| Input / Output | Value |
|---|---|
| Accounts receivable | ₹50,000 |
| Total credit revenue | ₹3,65,000 |
| Days in period | 365 |
| Days sales outstanding | 50.0 |
With accounts receivable of ₹50,000, total credit revenue of ₹3,65,000 and days in period of 365, the days sales outstanding works out to 50.0.
Example 2
With accounts receivable of ₹1,00,000, total credit revenue of ₹3,65,000 and days in period of 365, the days sales outstanding works out to 100.0.
| Result | Value |
|---|---|
| Days sales outstanding | 100.0 |
Example 3
With accounts receivable of ₹25,000, total credit revenue of ₹3,65,000 and days in period of 365, the days sales outstanding works out to 25.0.
| Result | Value |
|---|---|
| Days sales outstanding | 25.0 |
Tips for an accurate result
- Keep your units consistent — mixing, say, months with years or grams with kilograms is the most common source of error.
- Round only at the very end. Rounding inputs early can shift the final answer noticeably.
- Re-run the numbers whenever an input changes, rather than estimating from an old result.
Prefer not to do the maths by hand? — the Days Sales Outstanding (DSO) Calculator does it instantly, for free, with the formula and a worked example built in.
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