RD Calculator
Recurring Deposit maturity value and interest earned
Quick Answer — RD
The RD Calculator is a free online financial tool that helps you recurring deposit maturity value and interest earned. Enter your values above for instant, accurate results — no signup required. All calculations run privately in your browser.
Maintained by: Sagar Sahni, Calc Labz | Review: formula checks, worked examples, and periodic updates
Use with care: Finance and tax outputs are planning estimates only and should be checked against current rules.
Need a correction? Contact us with the calculator name and the issue you found.
Formula & Worked Example
The math behind the RD Calculator
Mathematical Formula
M = P \cdot \frac{(1+r)^n - 1}{1 - (1+r)^{-1/3}}Step-by-Step Worked Example
Frequently Asked Questions
Common questions about the RD Calculator
How is RD interest calculated?
Can I miss an RD installment?
RD vs SIP — which is better?
Is RD interest taxable?
What is the minimum RD amount and tenure?
What is the RD Calculator?
The RD Calculator is a free online financial tool that helps you recurring deposit maturity value and interest earned. Built for accuracy and speed, this calculator uses verified formulas and provides instant results without requiring any signup or registration. All calculations run entirely in your browser, ensuring complete privacy — no personal data is ever sent to our servers.
How to Use the RD Calculator
- Enter Monthly Deposit: Enter your monthly deposit in Indian Rupees (₹) in the input field. The calculator will validate your input automatically.
- Enter Interest Rate: Enter your interest rate (in % p.a.) in the input field. The calculator will validate your input automatically.
- Enter Tenure: Enter your tenure (in months) in the input field. The calculator will validate your input automatically.
- View Your Results: The RD Calculator displays your results instantly in the output panel. You will see the primary result along with a detailed breakdown of secondary outputs. Scroll down for charts, interpretations, and expert advice.
Key Features
- Instant RD calculations with real-time updates
- No signup, no registration — 100% free forever
- All calculations happen in your browser — zero data sent to servers
- Works offline as a Progressive Web App (PWA)
- Mobile-friendly responsive design
- Verified financial formulas updated for 2026
Why Use Calc Labz RD Calculator?
The Calc Labz RD Calculator stands out because it combines accuracy with simplicity. Unlike other online calculators, we provide detailed breakdowns, step-by-step formulas, and actionable advice alongside your results. Our financial calculators are regularly updated to reflect current rates, rules, and standards for India (2026). Whether you are a student, professional, or just need a quick calculation — Calc Labz delivers reliable results instantly.
Key Terms & Glossary
- Principal
- The original amount of money borrowed or invested, before any interest is applied.
- Interest Rate
- The percentage charged on borrowed money or earned on invested money, usually expressed per annum.
- Compound Interest
- Interest calculated on both the initial principal and previously accumulated interest — "interest on interest."
- Amortization
- The process of spreading loan repayment into equal installments over a fixed period.
- Maturity
- The date on which a financial instrument (FD, bond, PPF) reaches its full term and the principal is returned.
- CAGR
- Compound Annual Growth Rate — the smoothed annual rate of return on an investment over a specified period.