Free online calculators
Search all calculators or filter by category. Every tool is free and works without an account.
Mortgage Calculator
Estimate your monthly mortgage payment, interest costs, property taxes, insurance, and total housing expenses.
Open calculator βCar Payment Calculator
Calculate an estimated monthly vehicle payment based on price, down payment, trade-in value, interest rate, and loan term.
Open calculator βLoan Calculator
Estimate loan payments, total interest, payoff date, and the total cost of borrowing.
Open calculator βBMI Calculator
Estimate adult body mass index using height and weight and review the corresponding BMI category.
Open calculator βCalorie Calculator
Estimate daily calorie needs based on age, height, weight, activity level, and goal.
Open calculator βTax Calculator
Estimate federal income taxes, effective tax rate, and potential after-tax income using the selected tax year.
Open calculator βRetirement Calculator
Estimate how much retirement savings could grow and whether you're on track for a retirement goal.
Open calculator βAge Calculator
Calculate exact age in years, months, days, weeks, hours, and minutes.
Open calculator βPercentage Calculator
Calculate percentages, percentage increases, decreases, changes, differences, and reverse percentages.
Open calculator βGPA Calculator
Calculate semester and cumulative GPA using courses, grades, and credit hours.
Open calculator β