6 calculators

Clinical & Academic

Chronological age for standardised assessments, in the formats test manuals ask for.

Chronological age on an assessment date.

Calendar age formatting for Pearson-style assessment workflows.

Chronological age preparation for BRIGANCE assessment records.

Age on a specific testing or evaluation date.

Calendar age at the date a test is administered.

The date-based difference between chronological and comparison ages.

Learn the method

Guides for this category

Understand the conventions before the number goes into a record or a decision.

Other categories

Ten more groups covering assessments, pregnancy, work, dates and cultural references.