Finance

Break-Even Calculator Find how many units you must sell to cover fixed and variable costs. Credit Card Payoff Calculator See how long a credit card balance takes to clear and what the interest really costs. Debt-to-Income Calculator Calculate your debt-to-income ratio the way mortgage lenders do. Income Tax Calculator (US Federal, 2026) Estimate 2026 US federal income tax for a single filer with the standard deduction. Inflation Calculator See what inflation does to prices and to the purchasing power of your money. Loan Amortization Calculator Get your monthly loan payment and a year-by-year amortization breakdown. Mortgage Calculator Estimate your monthly mortgage payment with principal, interest, taxes and insurance. Profit Margin Calculator Find profit, margin and markup from cost and selling price. ROI Calculator Work out your return on investment and annualized return (CAGR). Retirement Calculator Project your retirement savings at retirement age from savings and monthly contributions. Salary Calculator Convert pay between hourly, weekly, biweekly, monthly and annual salary. Savings Goal Calculator Find out how long it will take to reach a savings goal with monthly contributions. Simple Interest Calculator Calculate simple interest on a loan or deposit in seconds: I = P x r x t.