Financial utility, not financial noise
Free calculators for the decisions that matter.
Calculate, compare, and understand your money—from a quick percentage to a full mortgage payment.
Everyday Math
General calculators
Percentage Calculator
Find a percentage of a number in seconds.
Percentage Increase Calculator
Calculate how much a value increased or decreased.
Percentage Difference Calculator
Compare the difference between two values.
Age Calculator
Calculate age between a birth date and a target date.
Date Difference Calculator
Find the number of days, weeks, months, and years between dates.
Tip Calculator
Calculate a tip, total bill, and split per person.
Wealth & Savings
Finance calculators
Salary Calculator
Convert an annual salary to common pay periods.
Take-Home Pay Calculator
Estimate your take-home pay after progressive 2026 US federal income taxes, FICA, and state taxes.
Hourly to Salary Calculator
Convert an hourly rate to annual and periodic pay.
Overtime Calculator
Estimate weekly pay including overtime hours.
Compound Interest Calculator
See how regular contributions and compounding grow your savings over time.
Savings Goal Calculator
Estimate how long it may take to reach a savings goal.
Inflation Calculator
Estimate how inflation can affect future purchasing power.
Investment Return Calculator
Project an investment balance with ongoing contributions.
Retirement Calculator
Project savings and a potential retirement-income estimate.
401(k) Calculator
Estimate the future value of employee contributions and employer match.
Roth IRA Calculator
Project a Roth IRA balance from contributions and return assumptions.
Emergency Fund Calculator
Set an emergency-fund target based on essential expenses.
Debt Elimination
Debt calculators
Home Financing
Mortgage calculators
Mortgage Calculator
Estimate your monthly mortgage payment, PMI, and payoff schedule.
Mortgage Affordability Calculator
Estimate your maximum affordable home purchase price based on income, debt, and DTI.
Mortgage Amortization Calculator
Preview how principal and interest change over your loan.
Refinance Calculator
Estimate monthly savings and break-even time for a refinance.
Extra Mortgage Payment Calculator
See how an extra payment could shorten your mortgage.
Rent vs Buy Calculator
Compare total multi-year renting and homeownership costs and equity.
Commercial Planning
Business calculators
Profit Margin Calculator
Calculate gross profit, net profit, and margins.
ROI Calculator
Calculate return on investment and net profit.
Break-Even Calculator
Find the sales volume needed to cover fixed costs.
EBITDA Calculator
Calculate EBITDA, EBITDA margin, and EBIT from net income or operating results.
Unit Economics Calculator
Estimate ARPU, CAC, churn-based LTV, LTV:CAC ratio, and CAC payback period.