Financial calculators built for Indian investors
Work out your average buy price, compounding growth, capital gains tax, or true trading costs in seconds — then see exactly how the answer was reached. Every tool is free, needs no sign-up, and shows the rates it uses together with the official source and verification date behind them.
Live calculators
- Stock Average CalculatorBlend two buy lots into one weighted average price and see your true total invested.
- CAGR CalculatorCompress any start value, end value, and duration into one honest annualised growth rate.
- Reverse CAGR CalculatorWork backwards from a goal amount to the annualised return your plan demands.
- Capital Gains CalculatorClassify any share sale as STCG or LTCG and estimate tax with cess, sources dated.
- STCG CalculatorPrice the 20% short-term charge on shares sold inside twelve months.
- LTCG CalculatorSee how the ₹1.25 lakh exemption absorbs long-term gains before 12.5% applies.
- Dividend CalculatorTotal the gross annual dividend income your shareholding actually pays you.
- Dividend Yield CalculatorCompare payouts as percentages — today's yield and the yield on your own cost.
- Options Profit CalculatorSettle long calls and puts at expiry: net P&L, breakeven, and capped max loss.
- Stock Profit CalculatorSettle a completed round trip with both legs' charges for true pre-tax P&L and ROI.
- Brokerage Calculator & ComparisonRank seven major brokers by true all-in delivery cost on your exact trade size.
- Zerodha Brokerage CalculatorZero delivery brokerage with every statutory levy and the ₹15.34 DP charge itemised.
- Groww Brokerage Calculatormin(₹20, 0.1%) per order with a ₹5 floor — see exactly where your order lands.
- Upstox Brokerage CalculatorFlat ₹20 per delivery order plus ₹20 DP — predictable costs at any trade size.
- Dhan Brokerage CalculatorZero delivery brokerage with the lightest DP charge among major platforms.
- Fyers Brokerage Calculator0.3% capped at ₹20 with no minimum — small orders pay pennies, large ones pay flat.
- Kotak Neo Brokerage CalculatorPercentage delivery pricing (0.20%) with a value-scaling DP fee — modelled post-promo.
- m.Stock Brokerage CalculatorFlat ₹10 across every segment with ₹18-plus-GST DP on exits — steady-state maths.
- Inflation CalculatorPrice tomorrow's costs today and translate future money into real purchasing power.
- SWP with Inflation CalculatorSimulate withdrawals that rise with prices and learn exactly when a corpus runs dry.
- Lump Sum with Inflation CalculatorSplit nominal maturity from real value with Fisher arithmetic — see through money illusion.
- Retirement Corpus CalculatorOne honest number for retired life: expenses inflated forward, priced as day-one corpus.
- Compound Interest CalculatorCompare yearly to daily compounding with effective yields and optional periodic deposits.
- Lump Sum CalculatorGrow one-time investments at any rate and horizon with multiples you can act on.
- Monthly Investment CalculatorProject recurring monthly deposits, with annual step-ups, into a maturity figure that motivates.
What makes these calculators different
Figures with receipts
Whenever a calculation touches a tax rate, a statutory levy, or a broker fee, the page names its official source and the date we last checked it.
Formulas you can audit
Every calculation ships with its formula, a worked numeric example, and unit tests covering zero, negative, and boundary inputs.
Runs on your device
The maths happens in your browser as you type. Nothing you enter is transmitted, logged, or stored on our side.
What we cover
Stocks & returns
Position sizing, averaging, and growth-rate maths for equity portfolios.
Capital gains tax
STCG/LTCG estimates built on Income Tax Department figures we verify and date-stamp.
Trading costs
All-in brokerage, statutory levy, and charge comparisons across major Indian brokers.
Long-horizon planning
Inflation-adjusted projections for goals that stretch across decades.