Free Finance Calculators — Loan, Stamp Duty, Tax & More

Free Finance Calculators

Tools to help you plan your loan, understand your income, estimate stamp duty and more — all free from SB Finance

Repayment Calculator

See an indicative repayment in seconds, then talk to us for a tailored quote.

Estimate your repayments

Move the sliders for an indicative monthly repayment. Final rates are subject to lender assessment.

Indicative rate: 7.5% p.a.

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estimated monthly repayment
Total repaid$0Total interest$0
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Calculations are estimates only and do not constitute a quote or credit assistance. We cannot guarantee the accuracy of the results; rates and rules change regularly and figures may be based on outdated information. SB Finance (AUST) Pty Ltd | ABN 72 620 392 038.

Use these calculators to prepare for your loan application or property purchase. For a personalised assessment, call our team on 1300 17 2346.

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Loan Amortisation Calculator

See exactly how much interest you pay over the life of your loan, year by year — and your remaining balance at any point.

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NSW Stamp Duty Calculator

Calculate transfer duty on any NSW property purchase — including first home buyer concessions and exemptions for 2025.

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PAYG Income Tax Calculator

Estimate your take-home pay after income tax and Medicare levy using the 2025–26 Australian tax brackets.

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YTD Income Calculator

Annualise your year-to-date payslip earnings — useful when a lender asks for your YTD income on a loan application.

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Need a Real Rate?

Calculators give estimates — SB Finance gives you real rates from 40+ lenders, tailored to your situation. Free consultation, no obligation.

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Talk to a Finance Expert

Calculators are a great starting point, but every situation is different. Our team of expert finance brokers can compare 40+ lenders to find an option that suits your situation — completely free.

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Let’s talk finance

Whether you have questions or inquiries about our services, we’re here to assist you every step of the way.

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