Chronological Age Calculator
Standardized clinical age computation in standard format (YY;MM;DD) for psychological assessments, pediatric evaluations, and special education testing.
Chronological Age Calculator
Standardized clinical & academic age calculation (Years;Months;Days) for psychological and medical evaluations.
Standardized clinical & academic age calculation (Years;Months;Days) for psychological and medical evaluations.
Clinical Assessment Standards
Standardized assessment protocols (including Wechsler Intelligence Scales, Woodcock-Johnson Tests of Cognitive Abilities, Peabody Picture Vocabulary Test, and Vineland Adaptive Behavior Scales) require precise chronological age calculation to reference normed percentile ranks and standard scores.
Evaluate infant development against corrected gestational maturity milestones.
Accurately index standardized normative tables by exact years and months on test day.
Standard reporting notation uses semicolons or colons to separate years, months, and days (e.g. 7;4;18 indicates a child is 7 years, 4 months, and 18 days old).
Help friends and family calculate their exact age & milestone countdowns
Frequently Asked Questions
Find clear answers to common questions about age calculation, leap years, and date math.
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