Age Calculator: Date of Birth

How old, exactly? Age Calculator answers in years, months and days — from any date of birth, not just yours. Pick the birth date and the result appears at once. Need the age at a specific date — a document, an enrollment, a cutoff? Change the reference date and it counts to that day instead of today. WHAT IT SHOWS • Exact age in years, months and days • Total days lived • The day of the week you were born on • Days until the next birthday — with a special note when it is today GOOD FOR MORE THAN BIRTHDAYS The age of people, pets and documents; enrollment cutoffs; how many days old a baby is; checking an age requirement on an exact date. SIMPLE ON PURPOSE One screen, two dates, instant result. Copy the result or share it as text with one tap. • Works offline — no connection needed • No account, no sign-up • In English and Portuguese, following your device language Free to use, supported by a small banner ad.