Age & Time Calculators
Calculate your exact age, countdown to birthdays, find birth days, and explore time-based calculations.
How Old Am I?
Calculate your exact age in years, months, and days
Use calculatorBirthday Countdown
Count down to your next birthday
Use calculatorWhat Day Was I Born On?
Find out what day of the week you were born
Use calculatorHow Old Will I Be?
Calculate how old you will be on a future date
Use calculatorPregnancy Week Calculator
Calculate how many weeks pregnant you are
Use calculatorUTC Timezone Converter
Convert time between timezones and UTC
Use calculatorDays Old Calculator
Calculate your exact age in days
Use calculatorWeeks Old Calculator
Calculate your exact age in weeks
Use calculatorMonths Old Calculator
Calculate your exact age in months
Use calculatorWhat Day Will I Turn 18?
Find out when you turn 18
Use calculatorWhat Day Will I Turn 21?
Find out when you turn 21
Use calculatorWhat Day Will I Turn 30?
Find out when you turn 30
Use calculatorWhat Day Will I Turn 40?
Find out when you turn 40
Use calculatorDays Ago Calculator
Find a date X days in the past
Use calculatorDays From Now Calculator
Find a date X days in the future
Use calculatorAge Difference Calculator
Calculate age gap between two dates
Use calculatorHalf Birthday Calculator
Find your half birthday date
Use calculatorRetirement Age Calculator
Calculate your exact retirement date and countdown
Use calculatorChronological Age Calculator
Calculate exact chronological age for medical and testing use
Use calculatorCorrected Age Calculator
Calculate adjusted age for premature babies
Use calculatorBrowse Other Categories
Body & Health
Track your BMI, BMR, body fat, ideal weight, and other key health metrics with our free calculators.
Money & Life
Plan your retirement, calculate tips, convert salaries, and reach your savings goals faster.
Measurements & Conversions
Convert between temperature, weight, volume, cooking, and length units instantly.
Lifestyle & Daily Tools
Optimize your sleep, hydration, nutrition, and daily energy expenditure with science-backed calculators.
Home & DIY
Estimate paint, flooring, concrete, and wall coverage for your home improvement projects.
EMS & Medical
IV drip rate, medication dosage, weight-based dose, and pediatric reference calculators for EMT and paramedic exam prep.