Retail fixed deposits usually compound quarterly in India; the tool follows that convention on the entered annual quote.
Penalties for early breakage are not included—your certificate terms matter.
FD Calculator — key points
- Quarterly compounding maturity
- Interest component pie
- Flexible years input
Using FD estimates
Compare gross maturity across tenors before tax.
- Senior citizen premiums can be modelled by typing a higher rate.
- Cumulative vs payout options affect cash flow, not this maturity formula.
Quarterly compounding
A = P × (1 + R/400)^(4×t) R = annual nominal %, t = years, P = principal.
Symbols
- P — Deposit amount.
- R — Quoted annual rate.
- t — Tenor in years.
TDS
Banks may deduct TDS; net in-hand interest differs.
Benefits
- Clear split between principal and interest earned.
- Quick shopping aid across banks.
Frequently asked questions
- Floating rate FD?
- Not modelled—use conservative rate guess.
- Monthly payout FD?
- Different formula; this is cumulative.
Profitspire Hub publishes educational calculators only. Rates, slabs, and rules change—confirm with fund houses, banks, government notifications, or a qualified professional before acting.