14 practical tools
Financial calculators for clearer decisions
Explore current tools for saving, investing, freelance pricing, debt, net worth, FIRE, and retirement. Results update in your browser and assumptions stay visible.
FIRE Number Calculator
Find out how much you need to retire early.
Open fire number calculator Savings & InvestingCompound Interest Calculator
See how your money grows over time.
Open compound interest calculator FIRE & RetirementCoast FIRE Calculator
Calculate when you can stop saving and coast to retirement.
Open coast fire calculator Savings & InvestingSavings Goal Calculator
Plan how long it takes to reach any savings target.
Open savings goal calculator Personal FinanceNet Worth Calculator
Track your assets vs liabilities in seconds.
Open net worth calculator FIRE & Retirement4% Rule Calculator
Test the classic safe withdrawal rate for your portfolio.
Open 4% rule calculator Savings & InvestingInflation Calculator
See how inflation erodes purchasing power over time.
Open inflation calculator Personal FinanceDebt Snowball Calculator
Pay off debt faster with the snowball method.
Open debt snowball calculator Personal FinanceSavings Rate Calculator
See how your savings rate may affect your path to financial independence.
Open savings rate calculator FIRE & RetirementFIRE Timeline Calculator
Estimate your FIRE number, timeline, and retirement age.
Open fire timeline calculator FIRE & RetirementRetirement Withdrawal Calculator
Estimate how long a retirement portfolio may last under steady assumptions.
Open retirement withdrawal calculator Savings & InvestingExpense Ratio Calculator
Compare the long-term impact of fund expense ratios and lost compounding.
Open expense ratio calculator Freelancer MoneyFreelance Rate Calculator
Turn income goals, expenses, and billable capacity into planning rates.
Open freelance rate calculator Personal FinanceEmergency Fund Calculator
Set a flexible expense-coverage target and estimate the time to fund it.
Open emergency fund calculatorHow to use these tools
Start with a question, then test the assumptions
Use the calculator that matches your immediate decision. The default values are starting points, not universal forecasts. Rates, inflation, tax treatment, and financial rules vary over time and by country.
Each output is an estimate based on the values entered. Review the formula, contribution timing, compounding convention, rounding, and limitations shown on that calculator page.
Saving or investing?
Start with the compound interest calculator for long-term growth, compare fee assumptions with the expense ratio calculator, or build a cash buffer with the emergency fund calculator.
Income, debt, or financial position?
Use the freelance rate calculator for a planning rate, the debt snowball calculator for an illustrative payoff plan, or the net worth calculator for a snapshot.
FIRE or retirement planning?
Estimate a FIRE number, explore a timeline, calculate a Coast FIRE milestone, or model portfolio longevity with the retirement withdrawal calculator.