Interactive calculators for financial planning, borrowing models, budgeting, taxes, inflation, and currency conversion.
11 calculators
Estimate long-term savings growth, recurring contributions, compounding frequency, and inflation-adjusted purchasing power.
Compound Growth / Inflation Adjustment
OpenEstimate a financial independence target, withdrawal-rate assumptions, and possible timelines across common FIRE scenarios.
Withdrawal Rate Assumptions / FIRE Scenarios
OpenEstimate crypto profit and loss, average purchase price, recurring buys, target prices, and fees.
Market Price Lookup / DCA vs Lump Sum
OpenEstimate principal, interest, property taxes, insurance, monthly payments, and amortization schedules.
PITI Breakdown / Amortization Table
OpenCompare regular payments with extra monthly or annual payments to estimate interest saved and time saved.
Monthly vs Lump Sum / Interest Saved
OpenSplit monthly income into needs, wants, and savings or debt payments with adjustable category inputs.
50/30/20 Preset / Category Inputs
OpenCompare debt avalanche and debt snowball payoff methods for credit cards, loans, and personal debts.
Snowball vs Avalanche / Payment Rollover
OpenEstimate a cash reserve based on essential monthly expenses, household needs, income stability, and reserve targets.
Essential Expenses / Household Inputs
OpenEstimate income tax, marginal and effective tax rates, common deductions, and take-home pay across filing statuses.
Tax Brackets / Effective vs Marginal Rate
OpenEstimate how inflation may change purchasing power over time and compare cash with savings or investment assumptions.
Purchasing Power / Future Cost Table
OpenConvert currencies with market-rate data and compare estimated retail bank or remittance spreads.
Exchange Rate Lookup / Estimated Bank Markup
OpenResults are planning estimates. Review the assumptions used by each calculator and do not enter account numbers or other sensitive information.
Calculator inputs are processed in the browser where possible. Avoid entering sensitive account numbers or personal identifiers.
Each calculator uses visible assumptions such as rates, timelines, tax bands, fees, and inflation estimates so readers can adjust the model to their own situation.