Free · Money & business · No account needed
Late-payment interest calculator
Estimate simple interest for a user-specified overdue period and annual rate.
Your inputs
Starting values are examples, not recommended rates.
Your estimate
- Simple interest
- 98.63USD
- Principal plus interest
- 10,098.63USD
Not a statutory interest calculation or permission to charge interest. Verify your contract and applicable law. Partial payments, compounding and penalties are excluded.
How this tool works
Interest = unpaid principal × annual rate / 100 × days / 365. No compounding is applied.
What should I check before using the result?
Not a statutory interest calculation or permission to charge interest. Verify your contract and applicable law. Partial payments, compounding and penalties are excluded.