How to Use LoanLens
A step-by-step guide to getting the most out of the free LoanLens mortgage and loan calculator.
Part 1 โ Calculate Your Repayments
- 1Select your regionLoanLens auto-detects your country and pre-loads local defaults, currency, and typical interest rates. Click any region pill at the top of the calculator to switch manually (AU, US, UK, NZ, CA, EU, SG).
- 2Choose your loan typeSelect Mortgage, Personal Loan, or Car Loan from the tabs. Each pre-sets a sensible term and rate for your region โ you can override any of these.
- 3Set your loan amountDrag the Loan Amount slider or click and type a value directly. Ranges go from small personal loans up to $5M for large mortgages. The displayed currency will match your selected region.
- 4Enter the interest rateUse your lender's quoted rate, or reference the current regional rates shown in the sidebar panel. Rates are indicative โ always confirm with your lender.
- 5Adjust the loan termStandard mortgages are typically 25โ30 years; personal loans 3โ7 years; car loans 3โ5 years. Slide to your desired term and watch repayments update instantly.
- 6Add extra repayments (optional)Slide the Extra Monthly Repayment slider to see how much you'd save by paying more each month. The panel will instantly show total interest saved and years cut from your loan.
Part 2 โ Read the Amortisation Chart
- 7Understand the barsGreen bars = principal repaid each year. Blue bars = interest paid each year. Notice how interest dominates in the early years, then shifts. The amber line tracks your remaining loan balance over time.
- 8Hover for exact figuresHover over any bar in the chart to see the exact principal, interest, and balance for that year in a tooltip.
- 9Switch to Table viewClick the ๐ Table button to switch from the chart to a scrollable year-by-year breakdown. You'll see opening balance, principal paid, interest paid, and closing balance for every year.
- 10Export to ExcelClick ๐ Export to download your full amortisation schedule as an Excel (.xlsx) file โ useful for sharing with a financial adviser or keeping your own records.
Part 3 โ Plan Your Deposit (Savings Planner)
- 11Switch to the Savings Planner tabClick the Savings Planner tab next to the calculator to open the deposit goal planner.
- 12Enter your current savingsHow much do you have saved right now toward your deposit?
- 13Set monthly savings amountHow much can you realistically save each month? LoanLens will project when your savings will hit your target.
- 14Enter your target property priceSet the property price you're aiming for and your required deposit percentage (typically 10โ20%).
- 15Add property price growth (optional)Enter an expected annual property price growth rate to see a more realistic moving target โ your deposit goal grows as property prices rise.
๐ก Pro Tips
Compare scenarios: Run the calculator twice โ once with your current rate and once with a slightly lower rate (e.g. after negotiating with your lender). The interest savings over 25 years can be eye-opening.
Extra repayments: Even $100โ$200 extra per month on a typical mortgage can reduce your loan term by 3โ5 years and save tens of thousands in interest.
Use real rates: Check your region's current rate panel or visit your lender's website for the most accurate rate to plug in.