Precise calculations
Typed financial formulas run locally in your browser.
Loan Calculator
Calculate fixed loan payments, extras and an amortization schedule.
Your data stays in your browser and is never uploaded to a server.
Twice monthly is calculated as 24 payments per year.
This calculation is an estimate and excludes fees, insurance and variable rates.
How to calculate a fixed-rate loan
- 1
Enter loan terms and payment frequency.
- 2
Optionally add extra payments and a start date.
- 3
Calculate payment and amortization schedule.
Key features
Currency formatting
Present results in USD, EUR or CRC without exchange rates.
Clear breakdown
Tables, summaries and CSV exports show every result.
Frequently asked questions
Are these results guaranteed?
No. They are estimates based on the values entered.
Are exchange rates applied?
No. Currency only controls symbols and formatting.
Is my financial data uploaded?
No. Every calculation runs in your browser.