Best free calculator online. Discover your exact age in seconds with our free Age Calculator. Easy-to-use, accurate, and available online 24/7. Try the best free calculator now! Our Age Calculator helps you determine your current age quickly and accurately based on your date of birth and a specified date. Best free calculator online. Discover your exact age in seconds with our free Age Calculator. Easy-to-use, accurate, and available online 24/7. Try the best free calculator now! Our Age Calculator helps you determine your current age quickly and accurately based on your date of birth and a specified date.