Pick a calculator, move some sliders, watch the chart breathe. Every one shows the formula in plain English so you actually learn what's happening.
Future value of a monthly mutual fund SIP.
Grow a one-time investment for N years.
The eighth wonder of the world — visualised.
Home, car, personal — switch between reducing balance, flat rate & daily reducing.
How much corpus do you actually need?
House, car, sabbatical — back-solve the SIP.
What ₹100 today is worth in 30 years.
What annual rate did your money grow at?
Fixed deposit maturity — pick your compounding frequency.
Public Provident Fund — the boring superstar.
National Pension System — corpus + pension.
How much of your HRA is tax-free?
Old vs new regime — which is cheaper for you?
Increase SIP by X% every year. The salary-friendly plan.
Recurring deposit — fixed monthly savings in a bank.
Systematic withdrawal — pull money out, monthly.
Employee Provident Fund — corpus at retirement.
Tax-free savings for your daughter — max ₹1.5L/yr.
How big a safety net do you need? Get there in N months.
What you get when you leave — Payment of Gratuity Act.
Assets minus liabilities — the only number that matters.
Decode your offer letter: what actually lands in your account.
What does a one-time prepayment actually save you?
The most expensive money in your life — visualised.
How much cover do you actually need? (HLV method)
Bought a stock in tranches? Find your blended cost. Add as many lots as you need.
Buy at A, sell at B. What did you actually make?
The old-school formula. Compared with compound.
STCG vs LTCG on equity, debt, and property.
The dinner-table argument, solved with math.
College isn't getting cheaper. Plan for the right number.
How should ₹100 be split across asset classes today?
How big a home loan can you actually qualify for?
EMI, on-road price, and the real cost of driving home.
EMI, fees, and the true cost of "instant credit".
With moratorium — interest accrues while you study.
Should you balance-transfer to a cheaper lender?
Gold appreciation + 2.5% interest + tax-free at maturity.
Govt-guaranteed pension of ₹1k–₹5k/month after 60.
How long until your money doubles? The Rule of 72.
Got an appraisal? What's the real in-hand bump?
How much medical cover does your family actually need?
National Savings Certificate — 5-yr govt savings bond.
2-year tax-friendly scheme exclusively for women.
Save for the down payment on a home, car, or anything else.
Add, remove, or split GST on any amount.
STT, exchange, GST, stamp duty — true cost of a trade.
True annualised return on irregular cashflows (the right MF metric).
Yield % and what dividend reinvestment does over time.
Position size, stop loss, and the 1% rule.
Yield to Maturity — what you actually earn on a bond.
Call or put — breakeven, max profit, max loss.
What does that flat actually earn? Gross vs net yield.
Shares multiply, price divides — your wealth is the same.
Free shares from the company — what changes for you.
Buy more shares at a discount — should you subscribe?
Classic intraday levels: P, R1-R3, S1-S3.
How much exposure can ₹1 of capital command — and at what risk.
SPAN + Exposure — what your broker blocks for a futures/option trade.
What return does a stock's beta justify?
Return per unit of volatility — the single number for risk-adjusted return.
Volatility-based stops — let the stock breathe.
What's the fair price given EPS and a P/E multiple?
Intrinsic value from future dividends — Gordon growth.
Save monthly toward a known future obligation.
Two-wheeler EMI with on-road price + processing fee.
Mortgage your property for cash — at far lower rates.
Borrow extra against your existing home loan, cheaply.
Should you pay only interest during construction or full EMI?
80C + 24(b) + 80EEA — total deduction in a year.
COVID-style skip-EMI period — what does it really cost?
Pension from your home — monthly payouts till you live.
Lump sum on diagnosis of cancer, heart attack, stroke — how much?
Insured Declared Value — what your car is worth for insurance.
Premium estimate by destination + days + age + cover.
Same investment, different wrappers. The math is brutal.
When does the bank deduct tax — and how much?
Section 194-IB — when must a tenant deduct TDS on rent?
High-income additional tax (above ₹50L taxable income).
Rental income tax — with 30% std deduction.
Quarterly installments + 234B/C interest if you miss.
Allocate the ₹1.5L cap across the best instruments.
Health insurance premium deduction — for self + parents.
30% flat + 1% TDS — India's VDA tax structure.
Boost your EPF beyond the 12% mandatory — at 8.25%.
Pension after retirement from your EPF contributions.
Property registration cost by state + gender.
What's the usable area in your "1500 sqft" flat?
Plan for an Indian wedding without remortgaging your soul.
How much house your *life* can afford — not just the bank.
Save monthly for that trip — without the credit-card hangover.
Save instead of loan — the long-game on cars.
Dollar-cost-average into BTC/ETH — what the math looks like.
Freelancers & consultants: pay tax on 50% of gross. Done.
Units to sell to cover fixed costs — startup math.
Nominal return minus inflation — what your money actually earns.
How much do you need today to withdraw ₹X every month for N years?
Open-ended NPS account — withdraw anytime, no lock-in.
Budget your EMI; we tell you the maximum loan tenure.
Two taxes hit your stock grants — model both before signing.
Accumulate via SIP, then live off it via SWP — the full arc.
Project what your premium will cost in 10, 20, 30 years.
Start with a one-time amount, then add monthly SIPs.
Park lumpsum in debt, transfer monthly to equity. Best of both.
Can you afford a home loan AND keep investing? Find out.
Debt bucket for income · equity bucket for growth. Together.
