Age Calculator
Use this age calculator to calculate age from a birth date to a selected date.
Age Calculator
Calculate age from a birth date to a selected date.
Result: Enter values and calculate.
Formula and interpretation
Formula: Selected date − Birth date
Main inputs: Birth date, As-of date
Output: Age in years
Education calculators on ToolsBing are for learning, planning, and estimation only. They may help students, parents, teachers, and professionals understand calculations, but they do not replace school policies, instructor grading rules, official transcripts, academic advising, or professional instruction.