Client Age Calculator
Calculate age from date of birth in years, months, and days. Free age calculator for patients, pets, and clients.
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Store client and patient records with age-based alerts in Tregovia
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Frequently asked questions
How do I calculate age from date of birth?
Subtract the birth date from today's date. Our calculator shows exact age in years, months, and days.
Can I calculate a pet's age?
Yes — enter the pet's birth date to calculate their age. You can also see their age in 'human years' using common conversion formulas.
How do I calculate age at a future date?
Enter a future reference date to see what age a client or patient will be — useful for vaccine schedules, age-based screenings, and recalls.
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