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QuickCalcy money guide

FD Calculator Guide: Estimate Deposit Maturity

A fixed-deposit projection combines principal, tenure, rate and compounding frequency to estimate cumulative maturity.

Updated June 19, 2026Original educational content

Quarterly compounding

QuickCalcy adds interest to the balance four times a year. Later quarters then earn interest on earlier interest. Fractional tenure is available in quarter-year steps to match this convention.

Cumulative versus payout deposits

A cumulative deposit retains interest until maturity. A monthly or quarterly payout deposit distributes interest and will not produce the same maturity amount.

Compare deposits carefully

Use the exact applicable rate and tenure. Review premature-withdrawal terms, special-rate conditions and taxation. Reinvestment after maturity may occur at a different rate.

Mistakes and limitations

Tax deduction, penalties and non-standard day counts are excluded.