Privacy First: All calculations happen locally in your browser. No data is stored or transmitted to our servers. Your financial information remains completely private.
Switch between input, repayment visuals, and schedule.
Loan Repayment Calculator
Easily calculate your loan repayments
Enter the total principal amount you intend to borrow.
Enter the annual interest rate for your loan.
Specify how many years you plan to repay the loan.
Optional: Enter any initial payment to reduce principal.
Optional: Enter extra monthly payments to shorten loan term.
Optional: Enter any additional payment to be applied at a specific month.
Specify the month when the additional payment will start.
Tick this to see your remaining schedule and costs from your current position, rather than from the start of the loan.
How This Loan Calculator Helps
This tool estimates your repayment profile using your loan amount, annual interest rate, and term. It also models one-off and recurring extra payments so you can compare a standard repayment path against an overpayment strategy.
- Use the chart to see how quickly your balance falls in each scenario.
- Check the schedule tab to review month-by-month principal and interest changes.
- Test different overpayment amounts to find a realistic plan that saves interest.
Results are estimates for planning and education only and should be verified with your lender terms.
What this page helps with
Loan Repayment Calculator methodology and assumptions
What this tool does
This calculator helps you estimate the monthly cost of a loan and compare how one-off payments or regular overpayments may change the repayment journey.
How the estimate works
It applies the loan amount, annual interest rate, term, and optional overpayment inputs to produce a repayment schedule and summary.
Inputs used
- Loan amount
- Annual interest rate
- Loan term
- One-off payment
- Regular overpayment
- Additional payment month
What the estimate does not include
- Lender fees
- Insurance
- Late payment charges
- Credit checks
- Personal underwriting decisions
Example scenario
A user comparing a three-year loan can test whether a small monthly overpayment reduces the interest paid and shortens the repayment term.
Key takeaway
It applies the loan amount, annual interest rate, term, and optional overpayment inputs to produce a repayment schedule and summary.
Best used for
Comparing repayment scenarios before speaking with a lender or deciding whether an overpayment is realistic.
Not suitable for
Confirming eligibility, credit approval, or the exact cost of a regulated lending product.
Common interpretation notes
- Treating an estimate as a lender offer
- Ignoring fees outside the repayment figure
- Using an optimistic rate before checking real options
Privacy note
This tool is designed for quick planning without requiring an account. Calculator inputs are not retained on KSR Pointer servers. Where preferences are saved, they are stored locally in your browser unless clearly stated otherwise.
Educational disclaimer
Results are estimates for educational planning only. They are not financial, tax, mortgage, legal, or investment advice. Always check important decisions with a qualified professional or official source.