Pearson Age Calculator

Need age calculated the way Pearson wants it for WISC-V, WAIS-IV, or KTEA scoring? This calculator applies Pearson's rounding rules and spits out results in their standard format. No more digging through administration manuals to remember the day threshold for rounding.

Use the Test Age Calculator with Pearson mode

For the most accurate Pearson-formatted results, use our dedicated test age calculator and select "Pearson (WISC-V / WAIS-IV / KTEA)" as the assessment type.

About Pearson Age Calculation

Pearson Clinical puts out some of the most widely used tests in the field — the WISC-V, WAIS-IV, KTEA-3, and others. Every single one needs precise chronological age to pick the right norm table. That is where this calculator comes in.

What Pearson Needs From You

Pearson tests need the examinee's exact chronological age at testing. That age picks the norm group. Wrong age = wrong norms = wrong scores. It's that simple, and that important.

Supported Pearson Assessments

  • WISC-V — Wechsler Intelligence Scale for Children, Fifth Edition
  • WAIS-IV — Wechsler Adult Intelligence Scale, Fourth Edition
  • KTEA-3 — Kauffman Test of Educational Achievement, Third Edition
  • WPPSI-IV — Wechsler Preschool and Primary Scale of Intelligence

Calculate test age now with Pearson formatting

Frequently Asked Questions

How does Pearson calculate chronological age?
They figure out the exact age, then round to the nearest month based on day thresholds in the manual. Our calculator follows those same rules.
Does this work for WISC-V?
Absolutely. This Pearson age calculator handles WISC-V, WAIS-IV, KTEA-3, and the rest of the Pearson lineup.
Is this an official Pearson tool?
Nope — we are independent. We follow published Pearson guidelines, but you should always verify against your administration manual.