Free Mortgage Calculator Australia — Repayments, Stamp Duty, LMI & More

Calculate your mortgage repayments, stamp duty, LMI, borrowing power, and more — all in one place. Our calculator uses current RBA rates, real stamp duty brackets for every Australian state, and APRA serviceability buffers to give you the most accurate picture of your home loan.

Monthly Repayments at Current Australian Rates (2026)

Loan Amount30yr P&I25yr P&IInterest-OnlyTotal Interest (30yr)
$400,000$2,534/mo$2,706/mo$2,173/mo$512,240
$500,000$3,167/mo$3,382/mo$2,717/mo$640,120
$600,000$3,800/mo$4,059/mo$3,260/mo$768,000
$750,000$4,750/mo$5,073/mo$4,075/mo$960,000
$1,000,000$6,334/mo$6,765/mo$5,434/mo$1,280,240

Based on average variable rate of 6.22% (P&I, owner-occupier). Rates updated regularly.

Start Calculating

Enter your details above to get instant, accurate results. Our calculator uses current Australian rates and rules — updated regularly.

Need help? Our guides explain how each calculation works and what the results mean for you.