Finance Calculators
Estimate loans, mortgages and long-term growth with transparent calculations. Every listed tool is free to use without registration.
3 tools
Loan Calculator
Calculate single or combined loans with amortization and CSV export.
Compound Interest Calculator
Project savings growth with regular contributions and compound interest.
Mortgage Calculator
Estimate principal, interest, taxes, insurance, PMI and HOA costs.
About Finance Calculators
These calculators provide transparent estimates for planning and comparison. Actual financial products may include fees, tax, insurance and terms not represented here.
Do I need an account?
No. AIOOS tools are available without registration.
Is my input uploaded?
Browser-based tool inputs are processed locally. We collect generic usage events, never the contents entered into a tool.