The math behind every "₹1 crore SIP" question
Every Indian who starts thinking about long-term investing eventually asks: "How much do I need to invest per month to make ₹1 crore?"
Two variables determine the answer:
1. Time horizon — how long until you need the money 2. Expected return rate — historically 10-14% for Indian equity over 15+ years
The formula is the standard SIP future value:
``
FV = PMT × [((1+r)^n - 1) / r] × (1+r)
``
Where: - FV = Future Value (₹1 crore = ₹1,00,00,000) - PMT = Monthly SIP amount - r = Monthly return (annual rate / 12) - n = Number of months
The full table — monthly SIP needed for ₹1 crore
| Time horizon | At 10% return | At 12% return | At 14% return | |---|---|---|---| | 10 years | ₹49,000/mo | ₹43,000/mo | ₹39,000/mo | | 15 years | ₹24,000/mo | ₹20,000/mo | ₹17,000/mo | | 20 years | ₹13,000/mo | ₹10,000/mo | ₹8,000/mo | | 25 years | ₹7,500/mo | ₹6,000/mo | ₹4,800/mo | | 30 years | ₹4,400/mo | ₹3,300/mo | ₹2,500/mo |
Try our SIP Calculator to model your own scenarios.
What this table shows
The huge difference compounding makes: A ₹6,000/month SIP for 25 years builds the same ₹1 crore that ₹43,000/month for 10 years builds. Time replaces money.
The penalty for waiting: Starting at age 35 instead of 25? You need 3-4× the monthly contribution to hit the same goal by 60.
The inflation problem nobody talks about
Here's the harsh truth: ₹1 crore in 2046 is NOT the same as ₹1 crore today.
At an average 6% inflation (India's long-term average), today's ₹1 crore in purchasing power needs:
- After 10 years → ₹1.79 crore
- After 15 years → ₹2.40 crore
- After 20 years → ₹3.21 crore
- After 25 years → ₹4.29 crore
- After 30 years → ₹5.74 crore
So if your goal is maintaining today's lifestyle of ₹1 crore in real terms, your nominal SIP target is much higher.
Inflation-adjusted SIP table (to maintain TODAY's ₹1 crore purchasing power)
| Time horizon | Future ₹ needed | Monthly SIP at 12% | |---|---|---| | 10 years | ₹1.79 cr | ₹77,000/mo | | 15 years | ₹2.40 cr | ₹48,000/mo | | 20 years | ₹3.21 cr | ₹32,000/mo | | 25 years | ₹4.29 cr | ₹26,000/mo | | 30 years | ₹5.74 cr | ₹19,000/mo |
The longer you wait, paradoxically, the cheaper it gets in monthly terms — because compounding offsets inflation. But you need to start.
Step-up SIP: the realistic Indian answer
Most Indians don't start at ₹50,000/month. They start at ₹5,000-10,000 and increase yearly with their salary. A 10% annual step-up SIP at 12% return:
- Start ₹5,000/month → ₹1 crore in 22 years
- Start ₹10,000/month → ₹1 crore in 17 years
- Start ₹15,000/month → ₹1 crore in 14 years
- Start ₹20,000/month → ₹1 crore in 12 years
Step-up SIP is built into most AMCs' apps now — you can configure 5%, 10%, or 15% annual increments.
The "what if returns are lower" stress test
Indian equity has historically returned 11-14%, but past performance ≠ future. What if returns are 8-10%?
At 8% return, monthly SIP needed for ₹1 crore (nominal): - 25 years: ₹10,500/mo (vs ₹6,000 at 12%) - 20 years: ₹17,000/mo (vs ₹10,000) - 15 years: ₹29,000/mo (vs ₹20,000)
So even with conservative returns, ₹1 crore is achievable for most middle-income Indians starting in their 20s/30s.
Where to invest the SIP
For 15+ year horizons, equity-heavy is appropriate. Recommended allocation for a conservative Indian investor:
- 60% Nifty 50 / Index funds (low cost, broad-market)
- 20% Mid Cap or Multi Cap fund (higher growth potential)
- 10% Small Cap (volatile but can outperform long-term)
- 10% International / Gold ETF (diversification)
Avoid: Most actively managed large-cap funds (most underperform Nifty 50 after fees), thematic / sector funds (high concentration risk), single-stock SIPs.
Tax angle on the ₹1 crore
When you redeem ₹1 crore worth of equity SIP:
- If you invested ₹40 lakh and the rest (₹60 lakh) is gain
- LTCG on ₹60 lakh - ₹1.25 lakh exemption = ₹58.75 lakh taxable
- Tax = ₹58.75 lakh × 12.5% × 1.04 = ₹7,63,750
- Net after tax: ₹92.36 lakh
So your "₹1 crore" goal should be ~₹1.1 crore nominal to get ₹1 crore in hand.
Common mistakes Indians make
1. Picking a ₹1 crore goal without thinking about inflation. ₹1 crore in 25 years buys what ₹30 lakh buys today. 2. Using rules of thumb (₹50K/month) without modeling. Run the math for your specific timeline. 3. Stopping SIP during market crashes. That's exactly when SIP buys more units cheaply. 4. Switching funds frequently. Long-term SIP works because of compounding; jumping funds resets the cycle. 5. Not increasing SIP with salary increments. A ₹10,000 SIP in 2026 should be ₹15,000 by 2031, ₹22,000 by 2036.