Retirement planning in India takes more calculation than it does in most countries. You're juggling at least six distinct instruments (EPF, PPF, NPS, mutual funds, FDs, insurance), a life expectancy that keeps climbing (roughly 80 years at age 60 now), inflation averaging 5 to 6% a year, and a withdrawal phase that can stretch 25 to 30 years. A spreadsheet gets unwieldy fast. Purpose-built calculators that already know India's rules, tax treatment, and compounding schedules save hours and tend to be more accurate too.
Overview
A good retirement calculator does more than multiply your savings by an interest rate. It accounts for inflation eating into your corpus in real terms, models both the accumulation phase (how much to invest, and where) and the withdrawal phase (how to draw it down without running dry), and handles India-specific rules: PPF's annual compounding at a government-set rate, EPF's combined employee-employer contribution structure, NPS's mandatory 40% annuity, and SWP's balancing act between withdrawal and ongoing portfolio growth.
Every tool below is free, needs no sign-up, and produces a shareable URL, so you can save a scenario or send it to a financial adviser.
What to Look For
Inflation-adjusted corpus calculation. A calculator that just says "save ₹2 crore" without adjusting for inflation is telling you less than it seems to be. Your target needs to be stated either in future rupees (what ₹2 crore has to become to hold today's purchasing power) or in today's money with the inflation assumption spelled out. The better calculators let you set inflation separately for living expenses and healthcare.
Support for Indian instruments. Look for NPS modelling (equity plus bond allocation, mandatory 40% annuity), PPF (annual compounding at the government rate, 15-year lock-in with extensions), EPF (employee plus employer at 12% each, current 8.25% interest), and SIP projections in mutual funds. A calculator built around a US-style 401(k) won't transfer over.
Withdrawal phase modelling. Accumulation calculators tell you what your corpus will be at retirement. Withdrawal calculators tell you how long it lasts once you start spending it. At 6% inflation, a ₹40,000/month withdrawal today turns into ₹1.07 lakh/month in 20 years, and a corpus sized for the first number may not survive the second. Look for SWP modelling that shows the year-by-year trajectory and flags a depletion date.
No sign-up, free, shareable URL. Every calculation should produce a link that pre-fills the form when opened again. That way you can save scenarios, compare a few side by side, and hand a specific projection to a financial adviser without exporting a PDF.
Our Picks
Retirement Calculator
This is the main planning tool for figuring out how big a corpus you need and how much you have to save to get there. Enter your current age, planned retirement age, monthly expenses in today's money, life expectancy, and your assumptions for inflation and returns. The calculator converts today's expenses into future rupees at your inflation rate, works out the total corpus needed to fund that spending through your life expectancy, and then works backward to the monthly SIP or lump sum you'd need.
One useful design choice: it uses a real rate of return, portfolio return minus inflation, so inflation doesn't get counted twice. You see both the nominal corpus target and the inflation-adjusted monthly investment required. It works whether you're 25 and plugging in optimistic numbers or 50 and stress-testing conservative ones. Start here before opening anything else on this list.
SIP Calculator
Once the Retirement Calculator tells you your target corpus, this one figures out the monthly contribution to get there. Enter the SIP amount, expected annual return (10 to 12% is reasonable for long-term equity), and duration, and it shows the total corpus along with year-by-year growth, split between invested capital and compounded returns.
That split is usually the most surprising part for first-time users. At 12% CAGR over 25 years, a ₹15,000/month SIP builds to roughly ₹2.83 crore, of which only about ₹45 lakh is money you actually put in. The remaining ₹2.38 crore, 84% of the total, comes from compounding. The tool also runs in reverse: enter a target corpus and duration to find the SIP you'd need.
PPF Calculator
PPF is the most accessible EEE tax instrument available to Indian retail investors. This calculator models annual contributions up to ₹1.5 lakh, applies the current government rate of 7.1% compounded annually, and shows the maturity value at 15 years. It also models the extension period. PPF can be extended in 5-year blocks after maturity, and the balance keeps compounding at the prevailing rate the whole time.
At ₹1.5 lakh a year for 15 years at 7.1%, maturity comes to roughly ₹40.68 lakh. Extend for one more 5-year block with the same contributions, and that grows to about ₹66.58 lakh. The Section 80C deduction saves about ₹46,800 a year at the 31.2% tax bracket, which lowers the effective cost of each year's contribution quite a bit. Use this to figure out how PPF fits alongside NPS and mutual funds in your overall plan.
NPS Calculator
This calculator models your NPS corpus based on current contributions, expected return, and how you split Tier I assets across equity (up to 75%), corporate bonds, and government securities. At 60, you can withdraw 60% of the corpus tax-free, and the remaining 40% has to buy an annuity.
It also factors in the Section 80CCD(1B) deduction, worth up to ₹50,000 a year on top of the ₹1.5 lakh 80C limit. For someone in the 30% bracket, that's about ₹15,600 saved annually in taxes. The calculator also estimates the monthly pension from that mandatory 40% annuity at current annuity rates, which gives you a sense of the floor income NPS provides on its own, independent of anything else you're drawing down.
EPF Calculator
For salaried employees, EPF is a mandatory savings component that's easy to overlook precisely because it happens automatically. This calculator takes your monthly basic salary, the employee and employer contribution rates (12% plus 12%, with 8.33% of the employer's share going to EPS up to ₹1,250/month), and the current interest rate (8.25% for FY 2024-25), then produces a year-by-year projection.
A 30-year-old on a ₹40,000/month basic salary that grows 8% a year ends up with an EPF corpus around ₹2.68 crore by 60, from mandatory contributions alone. Add a voluntary PF top-up of 12% (bringing total employee contribution to 24%) and that figure nearly doubles. The calculator breaks out the PF and EPS components separately, since EPS builds toward a pension rather than a lump sum.
SWP Calculator
This might be the most underused tool on the list. Once you've built a corpus, how much can you safely draw each month without running out? Enter the corpus, expected post-retirement return, monthly withdrawal, and the number of years it needs to last.
The calculator plots the corpus trajectory year by year and shows exactly when it runs dry under your inputs. On ₹1 crore at 8% return with a ₹40,000/month withdrawal, the money lasts about 43 years. Push withdrawals to ₹70,000/month and that drops to around 22 years. Run a few withdrawal levels through it to find a sustainable monthly income, then use the Retirement Calculator to work backward to the accumulation target that supports it.
Inflation Calculator
Easy to underrate, hard to overstate the importance of. Inflation quietly wrecks retirement plans that look fine on paper, because a corpus that seems adequate today can fall short in 20 years if nobody modelled the erosion explicitly.
At 6% annual inflation, ₹50,000/month today needs about ₹1,04,000/month in 21 years just to hold the same standard of living. Healthcare inflation in India has historically run 8 to 10%, so a ₹20,000/month healthcare budget today could need ₹60,000 or more in 20 years. This calculator shows purchasing power erosion for any amount, rate, and duration, and the future-money figure it gives you is exactly what to feed into the Retirement Calculator as your monthly expense input. Run this one first.
How We Evaluated
We checked each tool against five criteria.
Formula accuracy against scheme rules. PPF interest compounds annually, not monthly, on the minimum balance between the 5th and last day of each month. Plenty of generic calculators get this wrong and overstate the corpus. EPF interest is calculated monthly but credited annually, which this calculator handles correctly. NPS projections account for the mandatory 40% annuity purchase.
Indian-specific inputs. Every tool takes rupee inputs, displays results in lakh and crore, and uses the April-to-March financial year where it applies. Retirement age defaults to 60, which matches NPS, EPF, and most Indian pension products, rather than the US convention of 65.
Inflation-adjusted calculations. The retirement and SWP calculators treat inflation as a core input rather than an afterthought. The default assumption of 6% reflects India's long-run average, not the lower rates common in Western retirement tools.
Withdrawal phase modelling. The SWP Calculator models the full depletion trajectory rather than stopping at the accumulation number, which is where a lot of competing tools fall short.
No sign-up required, shareable URL. Every tool works without an account, and every input gets encoded in the URL so you can bookmark or share a specific scenario.