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Borrowing Calculator

Free Australian Mortgage Borrowing Power Calculator

2026-02-16

Product Introduction

  1. Overview: Digital mortgage assessment tool calculating maximum home loan eligibility using Australian Tax Office (ATO) tax brackets and APRA lending standards.
  2. Value: Provides instant, private borrowing estimates with built-in rate-rise stress testing to help Australians make informed home-buying decisions.

Main Features

  1. ATO-Compliant Income Calculation: Precisely calculates net income using current Australian tax brackets and Medicare levy schedules for accurate serviceability assessment.
  2. APRA Stress Testing: Automatically applies 3% serviceability buffer above current rates to simulate repayment capacity during RBA rate hikes.
  3. On-Device Data Processing: All financial information remains locally on your device with zero data transmission to servers, ensuring bank-level privacy.

Problems Solved

  1. Challenge: Home buyers struggle to estimate true borrowing capacity due to complex tax calculations and future rate uncertainty.
  2. Audience: Australian residents planning property purchase, refinancing, or investment who need lender-accurate estimates.
  3. Scenario: First home buyers in Sydney determining their maximum property budget while accounting for potential rate increases.

Unique Advantages

  1. Vs Competitors: Only calculator using real-time ATO tax calculations with APRA-compliant buffers, unlike basic bank tools that ignore tax nuances.
  2. Innovation: Proprietary algorithm combining HEM (Household Expenditure Measure) benchmarks with user-declared expenses for precision.

Frequently Asked Questions (FAQ)

  1. How much can I borrow for a home loan in Australia? Your borrowing power depends on income, expenses, existing debts, and lender criteria, typically assessed at rates 3% above current levels. Our calculator applies these standards instantly.
  2. Does this calculator affect my credit score? No, this tool performs zero credit checks and processes all data locally on your device, leaving no footprint on credit files.
  3. What is LMI and when does it apply? Lenders Mortgage Insurance (LMI) is required for deposits under 20% of property value, protecting the lender against default risk and adding significant loan costs.

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