David Chen is a Certified Financial Analyst with over 10 years of experience in Australian military-benefit banking and Defence Bank product analytics.
Use this free Defence Bank mortgage calculator to estimate monthly repayments, total interest, and comparison rates for Australian Defence Force home loans.
Defence Bank Mortgage Calculator
Defence Bank Mortgage Formula
Monthly Repayment: M = P × [ r(1+r)^n ] / [ (1+r)^n – 1 ]
LMI Warning: Added to loan if deposit < 20%
Formula Sources: Defence Bank | ASIC Moneysmart
Variables
- Property Price: Purchase price in AUD.
- Deposit: Down-payment percentage.
- Loan Term: Amortisation period in years.
- Interest Rate: Annual nominal rate (p.a.).
Related Calculators
- Defence Bank LMI Calculator
- Australian Stamp Duty Calculator
- Defence Home Ownership Assistance Scheme (DHOAS) Calculator
- Australian Comparison Rate Calculator
What Is the Defence Bank Mortgage Calculator?
It mirrors the repayment engine used by Defence Bank for Australian Defence Force members and veterans, including automatic Lenders-Mortgage-Insurance (LMI) estimation when deposit is under 20%. Results reflect current Defence Bank owner-occupied rates and standard 30-year amortisation.
How to Calculate Defence Bank Mortgage (Example)
- Enter the property price (e.g., $750,000 AUD).
- Select deposit—5% minimum for ADF packages; 20% avoids LMI.
- Choose amortisation (30 years is most common).
- Input the rate shown on Defence Bank’s ADF rate sheet, then click “Calculate”.
Frequently Asked Questions (FAQ)
Does this include LMI? LMI is added automatically when deposit < 20%; amount is shown in steps.
Can I use this for DHOAS? Yes—enter net loan after DHOAS subsidy has been applied to rate.
Are ADF rates lower? Defence Bank typically offers 0.20–0.40% p.a. discount for ADF members.
Is the comparison rate included? No—add any fees manually to compute your personal comparison rate.