Lifestyle Reverse Engineer
Describe the life you want — home, kids' school, cars, travel, retire age — and we reverse-solve the monthly investment, CAGR and salary trajectory you need today. The first calculator that runs backwards from the dream.
About You — Today
Your current age
Target retirement age
Current monthly income (₹)
Already invested (₹)
Expected portfolio CAGR (pre-retirement)
12% per year
The Life You Want
Pick the version of each that matches the life you’re aiming for. All numbers are in today’s rupees — we inflate them as needed.
🏠 Home
Buy by age
🏘️
Continue renting
Pay rent indefinitely. No purchase target.
🏡
2BHK in a Tier-2 city
Indore, Jaipur, Kochi, Coimbatore
₹70.00 L today
🏠
2BHK suburb of Tier-1
Whitefield, Hinjewadi, Noida, Thane
₹1.20 Cr today
🏡
3BHK suburb of Tier-1
Standard upper-middle-class target
₹2.00 Cr today
🏙️
3BHK prime Tier-1
Powai, Indiranagar, Gurgaon Golf Course
₹4.50 Cr today
🏛️
4BHK luxury (S Bombay/Lutyens)
South Mumbai, Lutyens Delhi, Koramangala
₹12.00 Cr today
🌴
Independent villa
Gated community, 3000+ sqft
₹6.00 Cr today
👨👩👧 Kids’ education
Number of kids
Your age when 1st kid starts school
🏫
Government / aided school
Govt + state college UG
₹20.0k/yr school + ₹3.00 L UG
📚
CBSE private school
DPS-tier + Tier-1 state college
₹1.80 L/yr school + ₹15.00 L UG
🎓
ICSE / premium CBSE
ICSE flagship + private engineering / BITS
₹3.50 L/yr school + ₹25.00 L UG
🌐
IB / international
IB school + Ashoka/Indian private UG
₹8.00 L/yr school + ₹60.00 L UG
🌍
IB + foreign undergrad
IB school + 4-yr US/UK/EU undergrad
₹12.00 L/yr school + ₹2.50 Cr UG
🚗 Cars
🚲
No car
Cabs + 2-wheeler only
🚗
1 hatchback / compact
Swift / i20 / Baleno class
~₹1.50 L/yr equivalent
🚙
1 sedan or compact SUV
Verna / Creta / Nexon class
~₹3.00 L/yr equivalent
🚐
1 premium SUV
XUV700 / Harrier / Innova Crysta
~₹5.50 L/yr equivalent
🚗🚗
2 cars (sedan + hatch)
Household runabout + family car
~₹4.50 L/yr equivalent
🏎️
1 luxury car
BMW 3-series / Audi A4 / Mercedes GLC
~₹11.00 L/yr equivalent
🚘🚘
2 cars (1 luxury + 1 SUV)
Status-segment household
~₹16.00 L/yr equivalent
✈️ Travel cadence
🏠
No big trips
Local weekends only
🏔️
Domestic 2× / year
Goa, hills, family circuits
₹1.50 L/yr
🛺
1 international (Asia)
Thailand / Bali / Vietnam / Sri Lanka
₹4.00 L/yr
🗽
1 international (Europe/US)
Schengen / UK / US family trip
₹10.00 L/yr
✈️
2 international (mixed)
One short-haul + one long-haul / yr
₹14.00 L/yr
🥂
Luxury 5★ regulars
Maldives / Aman / cruise-class travel
₹25.00 L/yr
🍷 Day-to-day lifestyle
🍱
Modest
Cook at home, basic clothes, occasional dining
₹6.00 L/yr
☕
Comfortable
Mid-range everything, dine out weekly
₹12.00 L/yr
🍷
Premium
Branded clothes, premium gym, weekly fine dining
₹24.00 L/yr
💎
Luxury
Private clubs, designer wardrobe, butler-grade comfort
₹50.00 L/yr
To live this life, you need to invest
₹6.09 L / month
(₹73.08 L / year, growing at 12% CAGR for 25 years)
Required monthly INCOME
₹20.30 L
@ 30% savings rate
Your current monthly income
₹1.50 L
406% savings rate needed today
Years to reach required income
27.3 yr
@ 10% annual hike rate
Goal-By-Goal Breakdown
Each row is one goal, what it’ll cost in future ₹ (inflated), how many years away, and the monthly SIP needed for that goal alone.
| Goal | Years away | Today’s cost | Inflated cost | Monthly SIP |
|---|---|---|---|---|
Buy: 3BHK suburb of Tier-1 25% down-payment target; rest financed | 5 | ₹50.00 L | ₹70.13 L | ₹85.9k |
Kid 1: CBSE private school (K-12) | 9 | ₹25.20 L | ₹59.42 L | ₹30.8k |
Kid 1: undergraduate | 16 | ₹15.00 L | ₹68.92 L | ₹12.0k |
Kid 2: CBSE private school (K-12) | 12 | ₹25.20 L | ₹79.09 L | ₹24.8k |
Kid 2: undergraduate | 19 | ₹15.00 L | ₹91.74 L | ₹10.6k |
Car: 1 sedan or compact SUV | 0 | ₹20.00 L | ₹20.00 L | ₹3.25 L |
Car replacement #2 | 7 | ₹20.00 L | ₹30.07 L | ₹23.0k |
Car replacement #3 | 14 | ₹20.00 L | ₹45.22 L | ₹10.5k |
Retirement corpus at 55 30 yrs of ₹75,10,774/yr inflated cost − ₹85.00 L credited from existing savings | 25 | ₹4.38 Cr | ₹17.09 Cr | ₹86.4k |
| TOTAL monthly investment | ₹6.09 L | |||
Lifestyle Reverse Engineer — Working Backwards From The Dream
Every other financial calculator on the internet runs forward: enter X, get Y in 30 years. But that’s not how anyone actually thinks about money. People think in pictures — a 3BHK in Powai, kids in an IB school, two cars, an annual Europe trip, no work after 55. The Lifestyle Reverse Engineer takes that picture, decomposes it into rupees, inflates each bucket by its real-world rate, and reverse-solves the only number that matters: how much you need to invest this month, and whether your current income trajectory can actually support it.
How The Math Works
1
Each dream becomes a dated rupee goal — home at age 35, kid 1’s school fees year-by-year, college at year 18, retirement at 55, etc.
2
Each goal is inflated by its category rate: 7% for real estate, 10% for education, 6% general, with post-retirement balanced returns at 8%.
3
For each goal we compute the monthly SIP that — growing at your chosen CAGR — hits the inflated target by the target year.
4
We sum the per-goal SIPs into a total monthly investment, then back out the required pre-tax monthly income at a sustainable 30% savings rate.
5
We test whether that income is reachable from your current salary at a typical 10% annual-hike trajectory — and flag the combination as red/orange/yellow/green.
Frequently Asked Questions
Why is the required monthly investment so high?
Because compound inflation is brutal over 25 years, and most people under-estimate the cost of the lifestyle they actually want. A ₹2 Cr 3BHK today is ₹4 Cr in 10 years. An IB school costing ₹8L/yr today costs ₹19L/yr in 14 years. Kid’s undergrad abroad is ₹2.5 Cr today and ₹6 Cr+ in 18 years. The tool surfaces the real arithmetic.
My required salary is much higher than today's. Is the tool wrong?
No — it's saying your CURRENT income at a 30% savings rate cannot fund this dream. You have four levers: earn more, save more aggressively (uncomfortable), retire later, or drop a goal. The tool shows you which goal is the most expensive — usually international schooling or premium housing — so you know where to cut.
How realistic is a 10% annual hike?
10% is the median for Indian private-sector salaried professionals across a full career (CMIE + LinkedIn India data). High performers in tech / finance see 12–15% with periodic job-switch jumps; non-tech roles see 8–9%. Use the income-trajectory output to test whether your industry supports the required path.
Why does it credit existing savings only to retirement?
Compound interest works best over the longest horizon. Putting ₹10 L today against a 3-year-away home down-payment saves only the 3-year compound; the same ₹10 L against a 25-year-away retirement goal saves the 25-year compound. The tool optimises by allocating credit to the longest-horizon goal.
Can I model a single-earner or a couple?
Currently a single income field. For a dual-income household, enter the combined monthly take-home. Required-income output will then be the combined ceiling — divide between partners as you see fit.
What if my CAGR turns out lower than I picked?
Reduce the slider to a conservative 8–9% and you’ll see the required monthly SIP balloon. That’s the realistic stress test — most retail equity portfolios deliver 10–12% over long horizons net of fees, but a 25-year bear cycle can drag that to 8%.