How this calculator helps you
The Loan calculator uses the standard amortization formula trusted by lenders. The Tip & Splitter helps split bills and calculate tips for groups. The amortization CSV exports a month-by-month schedule (payment, principal, interest, remaining balance) so you can present a professional breakdown or save it for later.
Key features
- Accurate monthly payment using amortization formula
- Downloadable amortization CSV (in-browser generation)
- Quick-tip buttons + custom tip and split options
- Copy-to-clipboard for fast sharing
- Runs fully offline — private and fast
How to use
- Enter loan values and click Calculate. View monthly payment, total paid, and total interest.
- Click Download Amortization CSV to export the payment schedule.
- For tips: enter bill amount, pick a quick tip or type a value, set people count, then Calculate.
Benefits
- Fast budgeting for loans and monthly planning
- Helpful for restaurants, renters, car buyers, and freelancers
- Simple UI reduces errors and speeds calculations
Pro tips
- Increase loan term to lower monthly payment (but pay more interest overall)
- Use amortization CSV to show exact interest vs principal over time
- Round tip upwards for excellent service
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Frequently Asked Questions
- 1. How does the loan calculator compute monthly payments?
- It uses the standard amortization formula where monthly rate = annual rate / 12, and number of payments = years × 12. The formula returns the fixed monthly payment that amortizes the loan over the term.
- 2. Can I export a full amortization schedule?
- Yes — click "Download Amortization CSV" to get a month-by-month CSV with payment, principal, interest, and remaining balance. The CSV is built in the browser and downloaded instantly.
- 3. Is any data sent to a server?
- No. All calculations and the CSV generation run in your browser. Nothing is uploaded.
- 4. How do I split a bill for 3 people?
- Enter the number of people in "Split Between" and click Calculate. The tool divides the total bill equally and shows the per-person amount.
- 5. Why might interest be higher for longer loans?
- Longer loans reduce monthly payments but increase the total number of months paying interest, so cumulative interest paid over the life of the loan increases.
- 6. Which currency is used?
- The tool accepts numeric amounts only. Enter values in your preferred currency. The calculator does not perform currency conversion to keep everything offline and private.