Bad Debt Allowance Calculator
Reviewed by Hamza Gujjar, Algorithm Architect & Software Developer
Last updated: July 27, 2026
Disclaimer: This calculator is provided for informational and educational purposes only and does not constitute financial, medical, legal, or other professional advice. Always consult a qualified professional before making decisions based on these results.
📚 Confused about how this is calculated? Read the full Booking Losses Before They Happen: The Allowance Method for Bad Debt →
Estimating losses before they're confirmed
Rather than waiting until specific customer accounts are confirmed uncollectible, this method estimates expected bad debt upfront as a percentage of total credit sales, based on a business's own historical loss experience.
Worked example
For $500,000 in credit sales with a 2% historical bad debt rate:
Allowance = 500000 x (2/100) = 10,000.0
Recording this allowance lets a business recognize expected credit losses in the same accounting period as the related sales were made, matching the timing principle central to accrual-basis accounting rather than waiting for losses to materialize later.