Finance Calculator+

All your essential calculators in one app: stamp duty, mortgage, loan repayments, currency converter, RPN scientific calculator & many many more for you to explore.

Buying your first home in Australia? Doing your tax? Working out repayments on a refinance? Finance Calculator+ has 30+ Australian-coded calculators in one offline app: stamp duty for every state, mortgage repayments, ATO income tax, currency, RPN scientific, and more.

No ads. No subscriptions. No tracking.

MORTGAGE AND HOME LOAN

• Mortgage repayments: weekly, fortnightly, or monthly
• Borrowing power: how much you can borrow, the way lenders calculate it
• Extra repayments: see exactly how much time and interest you save
• Refinancing: compare your current deal against new offers
• Offset account savings model
• LMI estimator for deposits under 20%
• Loan serviceability assessment

CAR AND PERSONAL LOANS

• Car loan and personal loan repayments
• Credit card payoff: exactly how long until your balance hits zero

STAMP DUTY AND PROPERTY

• Stamp duty: every Australian state and territory, with first home buyer concessions, off-the-plan reductions, and investment property surcharges
• Investment property: interactive cash flow charts with PDF export
• Rent vs buy: long-term cost of owning versus renting

TAX AND INCOME

• Australian income tax with Medicare levy and surcharge
• HECS-HELP repayment estimator with current thresholds
• GST: add or remove 10% instantly

RATE TRACKER

• Live RBA cash rate, variable and fixed home loan rates
• 90-day BBSW and 10-year bond yields
• Historical charts: 1Y, 3Y, 5Y, 10Y
• Next RBA meeting countdown

SCIENTIFIC CALCULATOR + RPN

• Full scientific: trig, logs, exponents, factorials, permutations, combinations, statistics
• DEG / RAD switching with clear indicator
• RPN mode: 4-register stack with ENTER, DROP, SWAP, ROLL DOWN, STO/RCL, LAST X
• One-tap switch between Algebraic and RPN
• Built-in explainer for RPN newcomers
• Calculation history: save and copy any result

PROFESSIONAL (AmortPro)

• Solve for any unknown: payment amount, rate, term, or principal
• Cash flow events: rate changes, extra payments, holidays, balloons
• Interest-only and fixed-principal periods
• Full amortisation schedule with PDF export
• Comparison Rate: true cost of a loan including all fees

GRAPHING AND EQUATIONS

• 2D graphing: plot up to 3 functions
• 3D surface graphing from f(x,y)
• Equation solver: linear and non-linear systems
• Base converter: binary, octal, decimal, hex with bitwise operations

SAVINGS AND BUDGET

• Compound interest calculator
• Savings goal planner
• Superannuation projection with employer contributions and salary sacrifice
• Budget planner

CHINESE CALENDAR

• Perpetual calendar 1900-2100
• Lunar dates with zodiac animals
• Heavenly Stems and Earthly Branches
• 24 Solar Terms with precise dates
• Bidirectional Gregorian and Lunar lookup

FORTUNE TELLER (just for fun)

• Tarot, Numerology, Astrology, I Ching, Runes, Magic 8-Ball For entertainment only - never financial, medical, or legal advice.

EVERYDAY TOOLS

• Currency converter: 150+ currencies with live rates
• Unit converter: length, mass, area, volume, temperature, time, data
• Tip calculator and bill splitter
• Date calculator: date difference, add/subtract days, business days
• Password generator

WHY FINANCE CALCULATOR+?

• Free forever: no ads, no IAP, no subscriptions
• Works completely offline
• PDF export for reports and amortisation schedules
• Dark/light themes, pin favourites, drag to reorder
• Your data stays on your device: zero tracking

Every calculator uses current Australian tax rates, stamp duty, super, and lending standards.

Download free today.