Free browser-based tools
Practical browser-based personal finance calculators for planning, debt, savings, and investment estimates.
Built for individuals, families, freelancers, and small business owners. No account is required, and common calculations or transformations run locally in the browser.
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Each page includes an interactive tool, practical example, notes, and related tools.
Investing
Compound Interest Calculator
Estimate investment growth with deposits and compounding. DebtLoan Payoff Calculator
Estimate payoff time, interest, and extra payment impact. DebtMortgage Payment Calculator
Estimate monthly mortgage payment, interest, tax, and insurance. DebtCredit Card Payoff Calculator
Estimate payoff months and interest for credit card balances. SavingsSavings Goal Calculator
Calculate monthly savings required to reach a target. SavingsEmergency Fund Calculator
Estimate emergency fund size from monthly expenses and runway months. InvestingRetirement Savings Calculator
Estimate future retirement savings from current balance and monthly deposits. InvestingInflation Calculator
Estimate future buying power after inflation. IncomeSalary to Hourly Calculator
Convert annual salary to hourly, weekly, and monthly pay. IncomeHourly to Salary Calculator
Convert hourly rate to annual, monthly, and weekly income. DebtDebt-to-Income Ratio Calculator
Calculate monthly debt-to-income ratio for budgeting or loan planning. InvestingInvestment Return Calculator
Calculate gain, ROI, and annualized return estimate. SavingsMonthly Savings Calculator
Estimate monthly savings needed for a goal. SavingsWeekly Savings Calculator
Estimate weekly savings needed for a target. SavingsEmergency Savings Gap
Calculate the gap between current savings and an emergency fund target. DebtPersonal Loan Payoff Calculator
Estimate loan payoff time and interest. DebtExtra Payment Calculator
Estimate how extra payments affect loan payoff. DebtCredit Card Interest Calculator
Estimate credit card payoff and interest. DebtHome Loan Payment Estimator
Estimate mortgage principal, interest, taxes, and insurance. IncomeAnnual Salary Converter
Convert annual salary to hourly, monthly, and weekly pay. IncomeHourly Pay Converter
Convert hourly pay into salary-style estimates. InvestingInflation Cost Estimator
Estimate future cost after inflation. InvestingROI Growth Calculator
Calculate gain, ROI, and ending value. InvestingRetirement Growth Estimator
Estimate retirement savings growth from deposits and return assumptions.Savings
Savings
Focused tools for common finance calculators workflows.
Savings
Savings Goal Calculator
Calculate monthly savings required to reach a target. SavingsEmergency Fund Calculator
Estimate emergency fund size from monthly expenses and runway months. SavingsMonthly Savings Calculator
Estimate monthly savings needed for a goal. SavingsWeekly Savings Calculator
Estimate weekly savings needed for a target. SavingsEmergency Savings Gap
Calculate the gap between current savings and an emergency fund target.Debt
Debt
Focused tools for common finance calculators workflows.
Debt
Loan Payoff Calculator
Estimate payoff time, interest, and extra payment impact. DebtMortgage Payment Calculator
Estimate monthly mortgage payment, interest, tax, and insurance. DebtCredit Card Payoff Calculator
Estimate payoff months and interest for credit card balances. DebtDebt-to-Income Ratio Calculator
Calculate monthly debt-to-income ratio for budgeting or loan planning. DebtPersonal Loan Payoff Calculator
Estimate loan payoff time and interest. DebtExtra Payment Calculator
Estimate how extra payments affect loan payoff. DebtCredit Card Interest Calculator
Estimate credit card payoff and interest. DebtHome Loan Payment Estimator
Estimate mortgage principal, interest, taxes, and insurance.Income
Income
Focused tools for common finance calculators workflows.
Income
Salary to Hourly Calculator
Convert annual salary to hourly, weekly, and monthly pay. IncomeHourly to Salary Calculator
Convert hourly rate to annual, monthly, and weekly income. IncomeAnnual Salary Converter
Convert annual salary to hourly, monthly, and weekly pay. IncomeHourly Pay Converter
Convert hourly pay into salary-style estimates.Investing
Investing
Focused tools for common finance calculators workflows.
Investing
Compound Interest Calculator
Estimate investment growth with deposits and compounding. InvestingRetirement Savings Calculator
Estimate future retirement savings from current balance and monthly deposits. InvestingInflation Calculator
Estimate future buying power after inflation. InvestingInvestment Return Calculator
Calculate gain, ROI, and annualized return estimate. InvestingInflation Cost Estimator
Estimate future cost after inflation. InvestingROI Growth Calculator
Calculate gain, ROI, and ending value. InvestingRetirement Growth Estimator
Estimate retirement savings growth from deposits and return assumptions.Guides
How to use these tools well
Short guides that explain workflows, mistakes, and practical use cases.
Guide