Tools & Calculators
A collection of free, no-signup tools and calculators. Each one runs entirely in your browser — nothing you type is stored or sent anywhere.
22 free toolsMore added regularly
Age Calculator→Find your exact age in years, months, and days — plus your age in weeks, hours, the day you were born, and a countdown to your next birthday.Your Age in Seconds→See your age counted in months, weeks, days, hours, minutes, seconds — and even an estimate of your lifetime heartbeats and breaths.BMI Calculator→Calculate your Body Mass Index from your height and weight, see which category you fall into, and find your healthy weight range.Body Fat Percentage→Estimate your body fat percentage using the U.S. Navy method from a few simple tape-measure measurements.Ideal Weight Calculator→Find your ideal body weight range for your height using the Robinson, Miller, Devine, and Hamwi formulas.Daily Calorie Calculator→Estimate the calories your body burns each day (TDEE) and get daily targets to lose, maintain, or gain weight.Water Intake Calculator→Find out roughly how much water you should drink each day based on your weight, age, and activity level.Pregnancy Due-Date Calculator→Estimate your baby's due date and current pregnancy week from your last period or conception date (Naegele's rule).Loan / EMI Calculator→Work out your monthly loan payment (EMI), total interest, and total repayment for any loan amount, rate, and term.Compound Interest Calculator→See how your savings grow over time with compound interest and optional regular contributions.SIP Calculator→Estimate the future value of a Systematic Investment Plan — regular monthly investments compounded over time.Currency Converter→Convert between world currencies using up-to-date exchange rates.Unit Converter→Convert length, weight, temperature, volume, speed, and area between metric and imperial units.Date Difference Calculator→Count the exact time between two dates — in years, months, days, weeks, and total working days.Time Zone Converter→Convert a time from one part of the world to another across major cities and time zones.Word & Character Counter→Count words, characters, sentences, and paragraphs in your text, with an estimated reading time — as you type.Password Generator & Checker→Generate strong, random passwords and check how strong your own password is — all in your browser.QR Code Generator→Turn any link or text into a QR code you can download and share — free and watermark-free.Roman Numeral Converter→Convert numbers to Roman numerals and back, and turn any number into its full written-out words.Your Age on Other Planets→A year isn't the same everywhere. Enter your birth date to see how old you'd be on Mercury, Mars, Jupiter, and every other planet.Your Weight on Other Planets→Gravity changes everything. Enter your weight to see what you'd weigh on the Moon, Mars, Jupiter, and beyond.Days Together Counter→Enter the day your relationship began to see exactly how long you've been together — in years, days, and heartbeats — plus your next milestones.