Why FinCalcs?
No sign-ups, no ads chasing you, no data sent to any server. Each calculator is a single lightweight page that works offline once loaded — ideal for quick decisions on loans, investments, taxes and pay.
Free Financial Calculators
Fast, accurate and 100% private — every calculation runs in your browser. Nothing you type ever leaves your device.
🇮🇳 India
Invest
SIP Calculator
Mutual fund SIP maturity value with step-up option and year-by-year growth.
LoanEMI Calculator
Personal, car or any loan — EMI, total interest and repayment schedule.
TaxIncome Tax Calculator
FY 2025-26 & 2026-27 — full new vs old regime comparison with all deductions.
HomeHome Loan EMI Calculator
Housing loan EMI with prepayment savings — interest saved and tenure cut.
DepositFD Calculator
Fixed deposit maturity value and interest with quarterly compounding.
InvestMutual Fund Returns Calculator
Lumpsum investment growth — future value, gains and yearly projection.
TaxGST Calculator
Add or remove GST at 5/12/18/28% with CGST-SGST split.
🇺🇸 United States
Home
Mortgage Calculator
Monthly payment with taxes, insurance, PMI & HOA, plus amortization schedule.
TaxFederal Income Tax Calculator
2025 IRS brackets by filing status — tax owed, effective and marginal rates.
SalaryPaycheck Calculator
Take-home pay after federal tax, FICA, state tax and 401(k) — per paycheck.
LoanLoan Calculator
Monthly payment, total interest and payoff schedule for any fixed-rate loan.
AutoAuto Loan Calculator
Car payment with down payment, trade-in and sales tax factored in.
SavingsCompound Interest Calculator
Growth of savings with monthly contributions and compounding frequency.