Know the assumptions
A number needs context. Our tools will show the formula, timing conventions, rounding, and limitations behind a result.
63 calculators and their companion guides are available.
The Capital Intelligence
Calculate. Analyze. Simulate. Decide.
Financial clarity, built on understanding. Professional calculators with transparent methods, worked examples and companion guides for investors, traders and finance professionals.
Search released calculators by name, acronym, tag or purposeGo deeper
Featured calculators
- Tool #5
XIRR Calculator
Calculate annual XIRR with actual/365 dates, visible same-day normalization, leap-year examples and guarded multiple-root handling. See unsupported cases.
- Tool #53
Options Profit and Loss Calculator
Calculate expiration profit or loss across up to eight option legs. Reconcile premiums, payoff and fees and find all modeled break-even prices.
- Tool #42
Retirement SIP Calculator
Estimate a retirement corpus and monthly SIP from your spending gap, inflation, existing savings and separate pre- and post-retirement returns.
Organised by what you are doing
Calculator suites
Investment Calculators
- #1
Calculate compound annual growth rate from two values and elapsed years or months. Compare total change, inspect cash-flow warnings and format five currencies.
- #5
Calculate annual XIRR with actual/365 dates, visible same-day normalization, leap-year examples and guarded multiple-root handling. See unsupported cases.
- #6
Project compound interest with matched recurring deposits, choose beginning or end timing, and see contributed capital, interest and effective annual growth.
- #11
Compare nominal investment growth with starting-year purchasing power. Model annual inflation, deflation and real gains with explicit assumptions.
Stock Market Calculators
- #16
Calculate price-only and fee-inclusive stock purchase averages. Enter fractional shares, explicit purchase fees and consistent currency units.
- #19
Calculate dividend yield from annual cash per share and current price. Compare trailing and forward bases with clear units, examples and five-market formatting.
- #26
Calculate enterprise value from common equity, debt, preferred equity, noncontrolling interest and cash. Review net debt and the signed equity bridge.
- #28
Calculate trailing or forward P/E from share price and earnings per share, with separate explanations for zero and negative earnings.
Mutual Fund Calculators
- #31
Estimate the future value of fixed monthly SIP contributions. Compare start and end timing and see the monthly equivalent rate, principal and modeled gain.
- #32
Project monthly investments with a fixed or percentage annual increase. See the final payment and separate extra contributions from additional gains.
- #34
Model fixed monthly withdrawals, growth and the balance remaining. Compare payment timing and see the first month your request falls short.
- #42
Estimate a retirement corpus and monthly SIP from your spending gap, inflation, existing savings and separate pre- and post-retirement returns.
Trading and Options
- #43
Calculate whole-share position size for a cash-funded stock trade. Compare your stop-loss risk budget with available cash and see what limits the next share.
- #45
Compare gross and net reward-to-risk for long and short stock trades. Enter the entry, stop, target and fees to calculate the modeled break-even win rate.
- #51
Calculate long and standalone short call payoff, net profit or loss, and break-even at expiration using your contract multiplier, premium and fees.
- #53
Calculate expiration profit or loss across up to eight option legs. Reconcile premiums, payoff and fees and find all modeled break-even prices.
Banking and Loans
- #58
Calculate a loan's monthly EMI on a reducing balance, with total interest, the final payment and a month-by-month balance that closes to zero.
- #59
Calculate a home loan's monthly principal and interest payment from price, deposit, rate and term, with loan-to-value, total interest and a yearly balance.
- #60
Calculate a personal loan's monthly payment, the cash received after an upfront fee, total interest, cost of credit and the annual rate including the fee.
- #61
Calculate a car loan's monthly payment from price, deposit, rate and term, with an optional balloon payment, total interest and the cost against no balloon.
Classification taxonomy
Explore by domain (13 categories)
Start with the right question. Select a domain to see its released calculators and guides. Domains still in development are shown without tools until each calculator is reviewed and ready.
- 15 tools
Investment Calculators
Return, compounding and time-value measures with every rate and timing convention stated.
- 15 tools
Stock Market Calculators
Share prices, dividends, corporate actions and per-share measures, reconciled line by line.
- 12 tools
Mutual Fund Calculators
Regular investing, withdrawals, transfers and fund returns over complete monthly periods.
- 15 tools
Trading and Options
Position size, risk, margin and option payoffs at expiration, with costs applied once.
- 6 tools
Banking and Loans
Repayments, amortisation, prepayment and deposit growth.
- In development
Wealth and Retirement
Net worth, retirement funding, withdrawals and financial independence.
- In development
Business Finance
Profit, margins, break-even and operating measures.
- In development
Real Estate
Rental yield, property returns, mortgages and rent-versus-buy.
- In development
Bonds and Fixed Income
Bond yields, prices, coupons and duration.
- In development
Financial Utilities
Percentages, averages, discounts and currency amounts.
- In development
Advanced Capital and Investment Intelligence
Portfolio risk, scenario comparison and simulation.
- In development
Corporate Finance, Startup and VC
Valuation, dilution, fund economics and cash-flow modelling.
- In development
SaaS and Corporate Operations
Unit economics, recurring revenue, runway and working capital.
A good first stop
Start here
- #1
Calculate compound annual growth rate from two values and elapsed years or months. Compare total change, inspect cash-flow warnings and format five currencies.
- Essential
- Investing
- Returns
- #6
Project compound interest with matched recurring deposits, choose beginning or end timing, and see contributed capital, interest and effective annual growth.
- Essential
- Investing
- Compounding
- #8
Calculate future value with an explicit rate per period, lump sum and equal deposits. Inspect payment timing, contributed capital and modeled interest.
- Investing
- Compounding
- #16
Calculate price-only and fee-inclusive stock purchase averages. Enter fractional shares, explicit purchase fees and consistent currency units.
- Essential
- Stocks
- #17
Calculate stock profit or loss after buy and sell charges, return on upfront outlay and fixed-charge break-even. Includes fractional shares.
- Stocks
- #31
Estimate the future value of fixed monthly SIP contributions. Compare start and end timing and see the monthly equivalent rate, principal and modeled gain.
- Essential
- Mutual funds
- Monthly plans
- #32
Project monthly investments with a fixed or percentage annual increase. See the final payment and separate extra contributions from additional gains.
- Mutual funds
- Monthly plans
- #43
Calculate whole-share position size for a cash-funded stock trade. Compare your stop-loss risk budget with available cash and see what limits the next share.
- Essential
- Trading
- Risk management
Beyond the answer
Numbers with the context to use them.
Understand the outcome
Each released calculator will come with an original guide, a worked example, and answers to practical questions.
Keep your inputs yours
We are building for calculations in your browser, without mandatory accounts. Your browser keeps only your theme, favourites and recently opened tools; financial inputs are never saved.
A wider perspective
Your context matters.
We’re designing for readers in the USA, UK, Canada, Australia, and India. Currency conventions, tax rules, and financial terminology vary; each tool will state the markets and assumptions it actually supports.
Our planned catalog spans investing, borrowing, retirement, and business finance. We release a tool only when its calculations, explanation, and companion guide are ready together.
Before you begin
Can I use a calculator in this preview?
Yes. Use the CAGR and Absolute Return calculators with their companion guides. Other planned tools remain unpublished.
Does this preview collect my financial information?
The financial calculators process financial inputs in browser memory without sending or saving them. There are no accounts. It stores your color-theme preference, and any favourites and recently opened tools you choose to keep, in your browser, and includes no analytics or tracking integrations. Hosting providers may process ordinary request logs.
Will these tools replace professional advice?
No. The platform is intended for education and hypothetical calculations, not personalized investment, legal, or tax advice. Important decisions may need a qualified professional who understands your circumstances.