Home/Australian Financial Calculators

💰 Australian Financial Calculators

Free calculators covering mortgage, investment, superannuation, retirement, loans, tax, and more — all built for Australian laws, rates, and regulations. No US-specific calculators (no 401k, FHA, VA, HELOC, Roth IRA, Social Security).

59
Calculators
5
Sections
100%
Free
🇦🇺
Australia only

🏠 Mortgage & Real Estate (13 calculators)

🚗 Auto Finance (3 calculators)

📈 Investment Calculators (16 calculators)

🦘 Retirement & Super (6 calculators)

💳 Other Financial Calculators (21 calculators)

🏦
Loan Calculator
P&I or IO, weekly/fortnightly/monthly, any loan type
 💰
Payment / Affordability Calculator
Max loan from monthly budget, or payment from loan amount
 💳
Credit Card Calculator
Minimum payment trap, payoff strategies, AU avg rate 20.49%
 🎯
Credit Card Payoff Calculator
Multi-card avalanche vs snowball comparison, fastest payoff strategy
 📉
Debt Payoff Calculator
Extra payments + lump sum savings, interest saved comparison
 🔗
Debt Consolidation Calculator
Compare before/after consolidation, monthly saving, total interest
 📅
Repayment Frequency Calculator
Weekly vs fortnightly vs monthly — interest savings comparison
 🇦🇺
GST Calculator
Add/remove GST, BAS G1/G10/G20 quarterly summary, 1/11 rule
 🎓
HECS-HELP Calculator
2025-26 ATO thresholds, CPI indexation, payoff projection
 📚
University Cost Calculator
Student contribution bands, HECS debt, living costs by city
 📊
Inflation Calculator (ABS CPI)
Purchasing power erosion, historical AU CPI rates, RBA target
 💱
Currency Converter
AUD to/from 12 major currencies, indicative rates reference
 📉
ATO Depreciation Calculator
Prime Cost and Diminishing Value methods, business use %, instant write-off
 📐
Margin & Markup Calculator
Gross margin, markup on cost, GST-inclusive pricing
 🏷️
Discount Calculator
Discount %, stacked discounts, reverse-calculate original price
 🤝
Commission Calculator
Real estate, mortgage broker, tiered commission rates, GST on commissions
 📋
Budget Planner
Australian household categories, income/expense tracking, surplus/deficit
 🏭
Business Loan Calculator
Term/LOC/equipment finance, after-tax interest cost, SME rates
 👤
Personal Loan Calculator
Compare terms, AU lender rate guide, comparison rate
 ⛵
Boat Loan Calculator
Marine finance, running costs, AU marine survey requirements
 📄
Lease Calculator
Commercial property & equipment leases, residual buyout, advance/arrears

🚫 US-only calculators not built: FHA Loan, VA Mortgage, HELOC, 401(k), Roth IRA, Required Minimum Distribution (RMD), Social Security — these are US tax/government programs with no Australian equivalent. Australian equivalents: Superannuation, Age Pension, Home Equity Loan.