DSO Calculator

Days to collect payment.

How the Math Works

Days Sales Outstanding (DSO) is calculated by dividing accounts receivable by total credit sales and multiplying by the number of days in the period. The formula is: DSO = (Accounts Receivable / Total Credit Sales) × Number of Days. This ratio represents the average number of days it takes for a company to collect payment after a sale has been made on credit.

Practical Applications

To apply the DSO calculation, first gather your accounts receivable balance from your balance sheet and your total credit sales for the same period. For monthly calculation, use the month's credit sales and the ending accounts receivable balance. For annual calculation, use annual credit sales and the average of beginning and ending accounts receivable balances. Compare your DSO to industry benchmarks to assess collection efficiency.

Day-to-Day Use

In day-to-day business operations, DSO helps companies manage their cash flow by identifying how quickly they're collecting payments. A high DSO indicates slow collections, which may require implementing stricter credit policies or follow-up procedures. Monitoring DSO regularly allows businesses to forecast cash needs, plan expenses, and ensure they have sufficient funds to meet obligations without relying heavily on credit lines.

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