Financial calculators
13 free calculators for investments, loans, savings, retirement, tax and planning. Each one shows its working: the breakdown, the formula and the assumptions behind the result.
Featured calculators
One from each group to start with.
- SIP calculatorWhat a monthly investment could grow to, with an optional yearly step-up.Investment
- EMI calculatorMonthly instalment, total interest and the full repayment schedule.Loan
- FD calculatorMaturity value and interest earned on a fixed deposit.Savings
- PPF calculatorYear-by-year balance of a Public Provident Fund account.Savings
- Retirement calculatorThe corpus you need to retire, and the monthly saving to get there.Retirement
- Income tax calculatorYour tax for 2026-27 under the old and new regimes, side by side.Tax
Investment calculators
How regular or one-time investments could grow, and how to compare returns.
- SIP calculatorWhat a monthly investment could grow to, with an optional yearly step-up.
- Lumpsum calculatorGrowth of a one-time investment at an expected yearly return.
- CAGR calculatorThe steady yearly growth rate between a starting and an ending value.
Coming next: SWP calculator.
Loan calculators
EMIs, total interest, repayment schedules and the effect of prepaying.
- EMI calculatorMonthly instalment, total interest and the full repayment schedule.
- Loan prepayment calculatorInterest saved by a part payment, and whether to cut the tenure or the EMI.
Coming next: Home loan eligibility calculator.
Savings calculators
Fixed deposits, recurring deposits and PPF: maturity values and interest.
Retirement calculators
The corpus you need to retire and what to save each month to get there.
Coming next: NPS calculator, Gratuity calculator.
Tax calculators
Income tax under both regimes and the HRA exemption, for tax year 2026-27.
- Income tax calculatorYour tax for 2026-27 under the old and new regimes, side by side.
- HRA exemption calculatorThe tax-free part of your house rent allowance under the old regime.
Coming next: Capital gains tax calculator.
Financial planning calculators
Plan for goals and see how inflation changes what money is worth.
- Goal plannerThe monthly investment needed for a goal, adjusted for inflation.
- Inflation calculatorWhat today's expenses will cost later, and what money will be worth.
Coming next: Emergency fund calculator.
How our calculators work
- Money is calculated with exact decimal arithmetic, never floating point, and rounded only when shown.
- Every result shows its breakdown, the formula used, and the assumptions behind it.
- Tax calculators follow the rules for a named tax year, with their sources; rates you supply are never guessed for you.
- Each calculator is tested against worked examples before it goes live. Results are estimates for learning, not advice.