Finance Calculators
Mortgage, loan, compound interest, retirement, savings, and more. Make smarter money decisions with instant, accurate calculations.
All Finance Calculators
Why use Calculy for finance calculations?
Every calculator on Calculy uses peer-reviewed formulas and updates in real time as you adjust inputs โ no page reloads, no delays. Results are visualised with interactive charts so you can see not just the answer, but the full picture.
All calculations happen in your browser. No data is stored on our servers without your explicit consent. Used by 50,000+ people monthly for decisions that matter.
Frequently asked questions
Which mortgage calculator should I use?+
For Australian property buyers, use the AU Mortgage Calculator at /au/finance/mortgage-calculator โ it includes state-specific stamp duty brackets and LMI estimates. For international comparisons, the global Mortgage Calculator covers AU, US, UK, NZ, CA, and SG.
How accurate are these finance calculators?+
All formulas are peer-reviewed standard financial mathematics. Mortgage repayments use the exact amortisation formula; compound interest uses A = P(1+r/n)^(nt). Results are precise โ only inputs like future interest rates or life expectancy involve estimates.
Can I export my calculations?+
Yes. Every finance calculator includes a PDF export and a shareable link that pre-fills all your exact values. Use the save function to email yourself a full summary.
How much super do I need to retire in Australia?+
ASFA estimates a comfortable retirement requires ~$595,000 (single) or $690,000 (couple) at retirement. However, your target depends on lifestyle, home ownership, and life expectancy. Use the Retirement Calculator to model your specific situation.