Finance Tools
Refund Mistake Cost Calculator
Estimate the total cost of a refund mistake, including fees, delays, interest loss, and reprocessing costs.
Refund Mistake Cost Calculator
Calculate the financial impact of a refund mistake, including fees and delay-related interest loss.
Uses a simple interest estimate: amount × rate × (days / 365).
How to use this refund mistake cost calculator
- Enter the refund amount affected by the mistake.
- Enter correction or reprocessing fees.
- Enter how many extra days the mistake causes.
- Enter an annual interest or opportunity rate.
- View the total cost caused by the mistake.
Example
A $500 refund was sent incorrectly, causing a $15 correction fee and a 20-day delay at a 6% annual rate.
- Refund amount: $500
- Correction fee: $15
- Extra delay: 20 days
- Annual rate: 6%
- Total mistake cost: ~$16.64
More tools in Finance Tools
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- Is Claiming a Refund Worth It Calculator
Estimate whether claiming a refund is worth it after fees, time cost, and approval probability.