Borrowing Power Calculator
Find out how much you could borrow based on your income, expenses and existing liabilities. Uses APRA's 3% serviceability buffer.
Repayment Calculator
Estimate your home loan repayments, monthly, fortnightly or weekly. Compare principal & interest vs interest-only options.
Stamp Duty Calculator
Calculate stamp duty (transfer duty) for every Australian state and territory. Includes first home buyer exemptions and concessions.
LMI Calculator
Estimate your Lenders Mortgage Insurance cost based on deposit size and LVR. Discover ways to reduce or avoid LMI entirely.
Refinance Savings Calculator
Compare your current loan against a refinanced loan to see monthly savings, total interest reduction and break-even timeline.
Why use Secure Finance calculators?
Australian-specific
Built for Australian borrowers using ATO tax rates, APRA buffers, HEM benchmarks and state-specific stamp duty schedules.
FBAA-accredited guidance
Our brokers are FBAA-accredited and can turn your calculator results into a real pre-approval within 48 hours.
No sign-up required
All calculators are free, instant and don't require registration. Your data is never stored or shared.
80+ lender panel
Calculator results can be matched to real rates from our panel of over 80 Australian lenders for an accurate comparison.