How To Calculate Aged Creditor Days. This channel has now moved to the official business loan services channel. Debtor days formula is used for calculating the average days required for receiving the payments from the customers against the invoices issued and it is calculated by dividing trade receivable by the annual credit sales and then multiplying the resultant with a total number of days.
(trade receivables ÷ annual credit sales) x 365 days = debtor days How to calculate creditor days. (debtors £40k / sales £35k) x 365 / 12 = 34.7 days ?
