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Free online calculators

Free online calculators for money, health, school and everyday life. Fast, private and free: everything runs in your browser.

Finance & LoansHealth & FitnessMath & SchoolDate, Time & Everyday

Finance & Loans

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Mortgage CalculatorEstimate your monthly mortgage payment with property tax, insurance and HOA. See total…Loan CalculatorCalculate the monthly payment, total interest and payoff time for any fixed-rate loan.…Personal Loan CalculatorEstimate your personal loan payment, total interest and payoff date. Compare terms and…Auto Loan CalculatorEstimate your monthly car payment with trade-in, down payment, sales tax and fees. See…Car Payment CalculatorFind your monthly car payment in seconds. Includes down payment, trade-in, sales tax and…Car Loan CalculatorCompare car loan terms and rates. See your payment, amount financed, total interest and…Compound Interest CalculatorSee how your savings or investments grow with compound interest and monthly…Investment CalculatorProject the future value of your investments with regular contributions and an expected…Savings CalculatorSee how fast your savings grow with interest and monthly deposits. Free savings goal…Retirement CalculatorFind out if you are on track to retire. Project your savings at retirement in today's…Salary to Hourly CalculatorConvert salary to hourly pay or hourly wage to annual salary. See daily, weekly,…Hourly to Salary CalculatorTurn an hourly wage into an annual salary. See weekly, biweekly and monthly pay for any…Tip CalculatorWork out the tip and split the bill between any number of people. Includes a quick table…

Health & Fitness

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BMI CalculatorCalculate your body mass index (BMI) in US or metric units. See your weight category and…Calorie CalculatorEstimate how many calories you burn each day (BMR and TDEE) and how many to eat to lose…TDEE CalculatorFind your total daily energy expenditure (TDEE) from your age, size and activity level.…Maintenance Calorie CalculatorCalculate the calories you need each day to maintain your current weight, plus targets…Calorie Deficit CalculatorFind the daily calorie deficit you need to lose weight at a safe pace. See calories for…Macro CalculatorTurn your daily calorie goal into grams of protein, carbs and fat. Choose balanced,…Due Date CalculatorEstimate your baby's due date from the first day of your last period. See your current…Ovulation CalculatorPredict your ovulation day and fertile window from your last period and cycle length.…One Rep Max CalculatorEstimate your one-rep max for bench press, squat or deadlift from any weight and rep…

Math & School

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Grade CalculatorCalculate your overall class grade from assignment scores and weights. Add as many…Weighted Grade CalculatorFind your weighted average grade from scores and category weights. Free online weighted…Grade Average CalculatorCalculate the average of your grades. Enter each score; all rows are weighted equally by…Final Grade CalculatorFind the score you need on your final exam to reach the course grade you want. Instant…GPA CalculatorCalculate your semester and cumulative GPA on a 4.0 scale. Supports honors and AP…High School GPA CalculatorCalculate your high school GPA with weighted honors and AP classes. See unweighted and…College GPA CalculatorCalculate your semester and cumulative college GPA from course credits and grades.Percentage CalculatorCalculate percentages in seconds: percent of a number, what percent one number is of…Percent Change CalculatorCalculate the percentage change between two numbers. Shows percent increase or decrease…Percentage Increase CalculatorIncrease a number by a percentage, such as a markup, raise or price rise. See the new…Fraction CalculatorAdd, subtract, multiply and divide fractions and mixed numbers. Get the simplified…LCM CalculatorFind the least common multiple (LCM) and greatest common factor (GCF) of two or more…GCF CalculatorFind the greatest common factor (GCF or GCD) of two or more numbers. Also shows the LCM…Area CalculatorCalculate the area and perimeter of a rectangle, triangle, circle, trapezoid,…Square Footage CalculatorAdd up the square footage of rooms or areas. Enter length and width for each space and…Volume CalculatorCalculate the volume and surface area of a box, cylinder, sphere, cone or pyramid.…Ratio CalculatorSimplify a ratio to lowest terms or solve for a missing value in a proportion such as…Average CalculatorFind the mean, median, mode, range and standard deviation of any list of numbers. Free…Standard Deviation CalculatorCalculate sample and population standard deviation and variance for any data set, with…Statistics CalculatorFree statistics calculator: mean, median, mode, range, variance and standard deviation…Online CalculatorA free online calculator for quick sums, with a glowing green display and chunky keys…Scientific CalculatorFree online scientific calculator with trig functions, logarithms, powers, roots,…

Date, Time & Everyday

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Age CalculatorFind your exact age in years, months and days from your date of birth. See total days…Date Difference CalculatorCount the days, weeks, months and business days between two dates. Works for past and…Day CounterCount the days until or since any date. Set your start and end date to see days, weeks…Days Between Dates CalculatorCalculate the number of days between two dates, including weeks, months and business days.Date CalculatorAdd or subtract days, weeks, months and years from any date. Find the future or past…Time Clock CalculatorCalculate hours worked from clock in and out times, subtract breaks, and estimate pay…Work Hours CalculatorAdd up your work hours for the week from start and end times with breaks. See decimal…Hours CalculatorCalculate the hours and minutes between two times, across midnight if needed. Includes…Concrete CalculatorEstimate how many cubic yards of concrete or 40, 60 and 80 lb bags you need for a slab,…Sleep CalculatorFind the best time to go to bed or wake up based on 90-minute sleep cycles so you wake…