SIP Calculator with Inflation, Step-Up & Tax Exemption

Estimate SIP outcomes using your assumptions for return, tenure, and inflation. View both nominal estimates and today's-money (inflation-adjusted) values, plus optional step-up, LTCG tax, and SWP planning.

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Understanding SIP: What It Does & What It Doesn't

What SIP does well

  • Builds disciplined, consistent investing habits over time.
  • Benefits from rupee cost averaging — you buy more units when prices are low.
  • Compounds returns over long durations, growing wealth significantly.

What SIP does not guarantee

  • Returns are not fixed — actual market returns vary year to year.
  • Past performance does not predict future results.
  • Projections here assume a steady return rate, which is a simplification.

Why withdrawals are complex

  • Withdrawing from an invested corpus depends on post-retirement returns, inflation, and tax rules — all of which change over time.
  • Use the SWP section in the calculator to model withdrawals with realistic assumptions.

SIP Calculator FAQs

What is SIP and how does it work?

SIP (Systematic Investment Plan) is a method of investing a fixed amount regularly in mutual funds. Instead of investing a lump sum, you invest small amounts monthly, quarterly, or annually. This approach benefits from rupee cost averaging and compound interest over time.

What does inflation adjustment mean in SIP calculations?

Inflation adjustment converts your future SIP corpus into today's purchasing power so you can read the projections as real returns. It does not change your contributions; it simply discounts the future value using the inflation rate you enter.

How do I use a SIP calculator with step up and inflation together?

Select a step-up mode (percentage or fixed amount) to grow contributions each year, then keep the inflation toggle on to see the same plan in today's money. This shows how step-ups and price inflation interact.

How is SIP return calculated?

SIP returns are calculated using the future value of an annuity formula: FV = P × [((1 + r)^n - 1) / r] × (1 + r), where P is monthly investment, r is monthly return rate, and n is number of months. This accounts for compound interest on regular investments.

Does inflation adjustment change my SIP amount each year?

No. Inflation adjustment only expresses the result in today's money. Your SIP amount grows only if you enable a step-up option or manually increase contributions.

How does LTCG tax affect my SIP returns?

Long-Term Capital Gains (LTCG) tax on equity mutual funds is 12.5% with a ₹1.25 lakh exemption in the financial year when gains are realized. This calculator estimates your post-tax corpus assuming gains are realized once (at the end). Actual tax depends on your redemption pattern and applicable rules.

Should I increase my SIP every year (step-up SIP)?

Yes, increasing your SIP by 5-10% annually (step-up SIP) significantly boosts long-term wealth. If your income grows, increase SIP proportionally to stay consistent with your goals.

Can I plan retirement withdrawals (SWP) with this calculator?

Yes, our calculator includes Systematic Withdrawal Plan (SWP) feature. After accumulating wealth via SIP, you can model monthly withdrawals in retirement and see how long your corpus will last. Enable the SWP section to plan complete accumulation-to-withdrawal journey.

This calculator provides estimates for planning purposes only. Consult a qualified financial advisor before making investment decisions.