Calculators
Free online calculators for money, school, health and dates. Work out loan payments, tips, discounts, GPA, calories, compound interest and days between dates — no sign-up, with results that update as you type.
Age Calculator
Enter your date of birth for your exact age — years, months, days, total days lived — plus a countdown to your next birthday.
Open tool →Average Calculator
Get the mean, median, mode, minimum, maximum, and count for any list of numbers — grades, scores, measurements, anything.
Open tool →BMI Calculator
Calculate your Body Mass Index and see which weight category you fall into. Works with metric or imperial units.
Open tool →Calorie Calculator
Estimate the calories your body burns at rest and how many you need per day for your activity level.
Open tool →Compound Interest Calculator
Watch your savings snowball — see the final balance, total interest earned, and a year-by-year growth table.
Open tool →Date Adder
Add or subtract days, weeks, months, or years from any date — great for deadlines, due dates, and anniversaries.
Open tool →Days Between Dates
Count the exact days between any two dates — perfect for countdowns, project timelines, and age-in-days math.
Open tool →Discount Calculator
See the sale price and exactly how much you save — handy for shopping, coupons, and clearance deals.
Open tool →GPA Calculator
Enter your courses, letter grades, and credit hours to get your GPA on the standard 4.0 scale.
Open tool →Grade Calculator
Enter your current grade, how much the final is worth, and the grade you want — we’ll tell you the score you need.
Open tool →Loan Calculator
See your monthly payment, total interest, and total cost for any loan — mortgages, car loans, personal loans — with a year-by-year payoff breakdown.
Open tool →Percentage Calculator
Three everyday percentage calculations with instant results — discounts, tips, grades, growth rates, and more.
Open tool →Sales Tax Calculator
Add sales tax to any price and see the tax amount plus the checkout total — no surprises at the register.
Open tool →Savings Goal Calculator
Saving for a car, a down payment, or an emergency fund? See how many months it takes to get there.
Open tool →Time Calculator
Add or subtract a duration from any time, or measure the hours and minutes between two times — overnight shifts included.
Open tool →Tip Calculator
Figure out the tip, the total, and everyone’s share in seconds — perfect for restaurants, delivery orders, and group dinners.
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