How we worked it out
Updated as you change the numbers.
- Each instalment k grows for the months left: R × (1 + r ÷ 4)^((n − k + 1) ÷ 3). Maturity is the sum over all n instalments.
Method and assumptions
The quarterly-compounding method banks and India Post use for recurring deposits. Interest is taxable at your slab rate.
Questions
What is the maturity of ₹5,000 a month for 5 years at 7%?
About ₹3,59,664, from ₹3 lakh deposited.
Sources
Method and figures checked on October 31, 2026. Every worked answer on this page is covered by an automated test. Found a mistake? Tell us.