Use the tabs to estimate bad debt expense using (1) a % of net credit sales, (2) an aging of accounts receivable, or (3) a % of ending accounts receivable.

Bad Debt Expense Calculator

% of Credit Sales
Aging of A/R
% of A/R

Enter any 2 values to calculate the missing variable

Bad Debt Expense Formula

The following formula is used to calculate a bad debt expense using the % of credit sales method.

BDE = S \times \frac{BD}{100}
  • Where BDE is the bad debt expense ($)
  • S is the total (net) credit sales for the accounting period ($)
  • BD is the estimated uncollectible rate as a percent of credit sales (%)

To calculate bad debt expense using this method, multiply net credit sales by the estimated uncollectible percentage.

Bad Debt Expense Definition

Bad debt expense is the expense recognized to reflect the estimated amount of accounts receivable (credit sales) that will not be collected during an accounting period (typically recorded with an Allowance for Doubtful Accounts).


Bad Debt Expense Example

How to calculate bad debt expense?

  1. First, determine the total credit sales.

    Calculate the total credit sales for the time period being analyzed. For this example we will say this is $1,000.00.

  2. Next, determine the estimated percentage of credit sales that will be uncollectible.

    Estimate what percentage of credit sales will not be collected. For this example we will say this is 10%.

  3. Finally calculate the bad debt expense.

    Using the formula above, we find the bad debt expense to be $1,000.00 × 10% = $100.00.

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