Age Calculator

How Age is Calculated

Age is calculated by finding the difference between your birth date and the target date. The calculator accounts for leap years and varying month lengths to give you the exact age.

• • Years: Complete years lived
• • Months: Additional months after years
• • Days: Additional days after months
• • Total values show cumulative time

Common Uses

• • Calculate exact age for documents
• • Find age on a specific date
• • Calculate retirement eligibility
• • Determine age milestones
• • Calculate days until birthday
• • Baby age tracking in days/weeks