Financial calculators for every major money decision.
Explore 36 tools across savings and debt, investing, retirement, markets, property, business, and day-to-day planning — including CSE-focused workflows for Sri Lanka investors.
Compound Interest
A full investment growth model with contribution plans, fee drag, and real-value outputs.
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Retirement
Retirement corpus planning with income targets, inflation, contribution step-up, and on-track status.
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Emergency Fund
Months of expenses, target balance, and timeline with optional existing savings.
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Allocation
Three-asset slider with optional linear glide path table.
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Sponsored
Cash & borrowing
Savings & debt
Emergency funds, debt payoff, loans, leases, deposits, and credit cards — any currency, with clear payoff timelines.
Emergency Fund Calculator
Months of expenses, target balance, and timeline with optional existing savings.
Debt Payoff Planner
Snowball vs avalanche strategies with extra payment and multi-debt ordering.
Credit Card Payoff Calculator
Balance, APR, minimum % or floor, extra payment, and payoff timeline chart.
Lease & Hire Purchase Calculator
Monthly installments, amortization, fees, residual value, and debt-service context in one place.
Loan Affordability Calculator
Income-led affordability analysis with stress-rate testing, debt ratio limits, and down payment impact.
Loan Amortization Calculator
Principal, interest, schedule, extra payments, and refinance break-even estimate.
Mortgage Affordability Calculator
Income-based mortgage capacity with PITI-style costs and stress test.
Fixed Deposit Calculator
Compare compounding styles, maturity value, post-tax outcome, and real purchasing-power gain.
Money Market Calculator
Built for cash parking decisions, short-duration funds, and comparing one cash rate against another.
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Growth
Investing & portfolio
Compound growth, DCA vs lump sum, rebalancing, fees, tax-loss concepts, and long-term portfolio math.
Compound Interest Calculator
A full investment growth model with contribution plans, fee drag, and real-value outputs.
DCA vs Lump Sum Calculator
Side-by-side terminal wealth under DCA vs lump sum with optional volatility note.
Portfolio Rebalancer
Target weights vs current; trade amounts to rebalance.
Asset Allocation & Glide Path
Three-asset slider with optional linear glide path table.
Investment Fee Drag Calculator
MER/TER or annual fee %, years, return, starting balance — wealth foregone.
Tax-Loss Harvesting Helper
Loss amount, marginal rate or preset, deferral years, rough benefit estimate.
Long horizon
Retirement & income
Retirement corpus, withdrawals, annuities, pension-style estimates, and savings goals.
Retirement Calculator
Retirement corpus planning with income targets, inflation, contribution step-up, and on-track status.
Retirement Withdrawal Planner
Inflation-adjusted withdrawals, return assumption, portfolio survival table.
Annuity & Pension PV Calculator
PV, payment, rate, periods — solve for one unknown.
Defined Benefit Pension Estimator
Monthly benefit, years to receive, discount rate → rough PV.
Savings Goal Planner
Goal-first or monthly-first planning for education, a home, emergency funds, or any future target.
Execution
Markets & trading
Equity cost basis, dividends, position risk, FX, and educational options pricing tools.
Average Cost Calculator
Weighted cost basis with lot-level analysis, brokerage drag, break-even sell price, and current P&L.
Dividend Calculator
Dividend income, yield, withholding-tax view, and forward income projection for CSE investors.
Position Size Calculator
Risk-based sizing with fees, slippage, reward-to-risk, and concentration controls for active investors.
Forex Trading Calculator
Institutional-style FX sizing with stop/target logic, friction costs, carry assumptions, and expectancy profiling.
Options Payoff Diagrams
Strategy selector, strikes, premiums, P/L chart at expiry.
Black–Scholes Option Pricer (Educational)
Spot, strike, time, vol, rate, div yield → price + Greeks.
Property
Real estate
Rent vs buy, rental yield, and cap-rate style analysis.
Rent vs Buy Calculator
Rent, buy price, mortgage rate, holding period, appreciation vs invest return.
Rental Yield & Cap Rate
Price, rent, expenses, vacancy → yields and cap rate.
Work
Business & freelance
Freelance rates, SaaS metrics, and small-business style planning.
Tools
Utilities & planning
Inflation, FX spreads, CAGR, XIRR, budgets, and a local net worth tracker.
Inflation & Purchasing Power
Amount, years, inflation rate → real/future value.
Currency Converter with FX Spread
Amount, rate, spread % → received amount comparison.
CAGR Calculator
Beginning, ending, years → CAGR.
XIRR / IRR Calculator
Dated cash flows → annual IRR estimate.
Budget Planner (50/30/20)
Income, rule split, category amounts, optional custom sliders.
Net Worth Tracker
Local-only storage, snapshot history, assets minus liabilities.
Suggested path
Stability first
Emergency fund and debt payoff before optimizing investment return assumptions.
Suggested path
Wealth building
Compound growth, fee drag, and rebalancing — then pressure-test with retirement withdrawal math.
Suggested path
Markets & property
CSE cost basis and risk tools, or rent vs buy and rental yield when the asset is physical.