Chronological Age Calculator

Automated

Free tool to calculate chronological and adjusted age for professional assessments like WISC-V, WIAT-4, and CELF-5.

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Free

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Free

Y;M;D format for professional assessments
WISC-V, WIAT-4, CELF-5 compatible
Replaces discontinued Pearson calculator
Mobile-friendly interface
No registration required
Works offline after first load

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