18 free professional-grade calculators for finance, health, education, and everyday math.
Calculate monthly payments, total interest, and view amortization schedules for your home loan.
FinanceProject your retirement savings based on contributions, returns, and timeline.
FinanceCalculate compound returns on investments with monthly contributions over time.
FinanceEstimate monthly payments, total interest, and total cost for your auto loan.
FinanceSplit bills, calculate tips at any percentage, and divide evenly among your group.
EverydayCalculate your BMR and daily calorie needs based on age, weight, height, and activity level.
HealthCalculate your Body Mass Index with health category recommendations.
HealthVisualize how your money grows over time with compound interest.
FinanceCompare payoff timelines and see how extra payments save you money.
FinanceConvert between annual salary and hourly rate instantly.
EverydayEstimate your federal tax refund based on income and deductions.
FinanceCalculate return on investment, annualized ROI, net profit, and payback period.
FinanceCompare the true cost of renting versus buying a home over time.
FinanceCalculate your break-even point in units and revenue with profit/loss visualization.
BusinessCalculate your semester and cumulative GPA with credit-weighted grades.
EducationFind out how much car you can afford based on your income, debts, and budget.
FinanceCalculate your DTI ratio and see where you stand with lenders.
FinanceCalculate percentages, percentage change, and percentage of a number.
Everyday