Post Office FD Calculator (Note: This is a Post Office FD Calculator.) Post Office FD Calculator Principal Amount (₹): Annual Interest Rate (%): Tenure (Years): Calculate FD Maturity Details Maturity Amount: ₹ 0.00 Total Interest Earned: ₹ 0.00 Repayment Schedule Year Opening Balance (₹) Interest Earned (₹) Closing Balance (₹) Spread the love