Calculators for finance, mortgage, health, tax, retirement, automotive, and everyday math : over 940 and counting.
50 calculators
Calculate monthly loan payments, total interest, and full amortization schedule for any loan type.
Calculate simple interest earned and total amount using the formula I = P × r × t.
Calculate how inflation affects purchasing power and the future value of money over time.
Calculate how long it takes to pay off credit card debt and the total interest you will pay.
Calculate your net worth by entering total assets and total liabilities to see your financial standing.
Analyse your monthly budget against the 50/30/20 rule to see if your spending on needs, wants, and savings is on track.
Calculate your monthly loan payment and see a full amortization schedule with a year-by-year breakdown of principal and interest.
Calculate how much house you can afford based on your income, debts, down payment, and mortgage terms.
Estimate your federal income tax using 2024 tax brackets and standard deductions for single, married, or head of household filers.
Convert your hourly wage to annual salary and all common pay periods: daily, weekly, bi-weekly, semi-monthly, monthly, and quarterly.
Calculate sales tax and total price for any purchase given a price and tax rate.
Calculate gross and net profit margin from revenue, cost of goods sold, and operating expenses.
Calculate monthly payments and total cost for a personal loan, including origination fees and effective APR.
Calculate your auto loan monthly payment and total cost, with support for down payment and trade-in value.
Calculate your student loan payoff timeline, total interest paid, and interest savings from making extra payments.
Calculate your mortgage refinance break-even point and total savings after closing costs.
Project your 401(k) balance at retirement considering contributions, employer match, salary growth, and investment returns.
Calculate monthly car payments, total interest, and full cost breakdown for new or used vehicle financing.
Calculate exact loan payments using the standard PMT formula. Find monthly payment, total interest, and total cost for any loan amount, rate, and term.
Calculate compound interest growth with monthly contributions. See your money grow over time with yearly breakdown.
Solve for the compound interest rate needed to grow an investment from present value to future value. Calculate effective annual rate and doubling time.
Calculate monthly mortgage payments, total interest, amortization schedule, and PITI breakdown.
See how extra monthly payments can pay off your mortgage years early and save thousands in interest.
Calculate complete home mortgage payment including PITI — principal, interest, property taxes, insurance, HOA, and PMI.
Determine whether refinancing your mortgage will save money by calculating your break-even point, monthly savings, and total interest reduction.
Generate a complete month-by-month amortization schedule showing principal, interest, and remaining balance for every payment of your mortgage.
Calculate your Body Mass Index (BMI) with metric or imperial units and see your healthy weight range.
Calculate your Basal Metabolic Rate using Mifflin-St Jeor and Harris-Benedict equations.
Calculate your Total Daily Energy Expenditure based on BMR and activity level, with calorie goals for any weight target.
Estimate your body fat percentage using the US Navy method or BMI-based estimation.
Calculate your ideal body weight using four scientific formulas: Devine, Robinson, Miller, and Hamwi.
Calculate your daily macronutrient targets (protein, carbs, fat) based on your TDEE and fitness goals.
Calculate your 1RM (one repetition maximum) using Epley, Brzycki, Lander, and other formulas.
Predict your ovulation date, fertile window, and next period based on your cycle length and last period date.
Calculate tip amount, total bill, and split evenly among multiple people.
Calculate percentages: find X% of Y, percentage change, increase/decrease, and more.
Calculate sale prices, savings, and final cost with tax for any discount percentage or amount.
Calculate your exact age with detailed breakdowns
Calculate the number of days, weeks, months, and years between two dates, including workdays.
Calculate your final grade percentage, letter grade, and GPA from test scores and assignments.
Add, subtract, multiply, and divide fractions with automatic simplification and mixed number output.
Generate random numbers within a range, with optional duplicates and decimal precision.
Convert between Celsius, Fahrenheit, Kelvin, and Rankine temperature scales instantly.
Convert any amount to multiple currencies simultaneously with 30+ supported world currencies.
Convert times between multiple time zones worldwide for scheduling meetings and travel.
Comprehensive unit converter for length, weight, volume, area, speed, pressure, energy, and data.
