ASQ Online Calculator

Calculate child's Age and ASQ Intervals

This calculator determines a corrected age and the appropriate ASQ-3 and ASQ:SE-2 questionnaire intervals. Select the details below to get started.

What is an ASQ Online Calculator?

An ASQ Online Calculator is an online tool designed to compute a childs corrected age, factoring in prematurity, and map it to the appropriate ASQ-3 and ASQ:SE-2 questionnaire intervals. It simplifies the process of selecting the right developmental screening tool by providing precise calculations and clear guidance. This is especially valuable for children born prematurely, as their developmental milestones may differ from those of full-term children. The ASQ Online Calculator delivers the following key outputs:

  • Corrected age in months and days, adjusted for prematurity
  • ASQ-3 questionnaire interval for developmental screening
  • ASQ:SE-2 questionnaire interval for social-emotional assessment
  • Guidance for users of the ASQ:SE (1st edition)

The ASQ-3 and ASQ:SE-2 are evidence-based tools used globally by professionals to monitor children's developmental and social-emotional progress. By automating the age calculation and interval selection process, our ASQ Online Calculator saves time and reduces errors, making it an essential tool for early childhood assessments.

How to Use Our ASQ Online Calculator

Using our ASQ Online Calculator is straightforward and requires just a few simple steps:

  1. Select the questionnaire administration date (the date you plan to conduct the ASQ screening).
  2. Enter the childs birth date.
  3. Specify the number of weeks premature (or select gestational age if known).
  4. Click the Calculate button to view results.

The calculator will instantly display:
✔ Corrected age in months and days
✔ ASQ-3 questionnaire interval
✔ ASQ:SE-2 questionnaire interval
✔ Guidance for next steps, including ASQ:SE (1st edition) compatibility

The tool is designed to be intuitive, with clear instructions and minimal input required. Whether you are a first-time user or a seasoned professional, you will find the process quick and efficient.

Corrected Age Example (Prematurity)

If a child is born 8 weeks early and is 6 months old by calendar age, the corrected age is roughly 4 months. This helps select the right ASQ-3 and ASQ:SE-2 interval for screening.

Example: 6 months chronological age − 8 weeks prematurity ≈ 4 months corrected age.

Who Should Use This ASQ Calculator?

This tool is useful for parents, pediatric clinics, early childhood programs, and educators who need a quick, reliable way to select the correct ASQ interval. For age comparisons or planning, you can also use the Age Calculator or the Due Date Calculator.

Frequently Asked Questions (FAQs) – ASQ Online Calculator

Can the ASQ Online Calculator be used for premature infants?

Absolutely. The ASQ Online Calculator is specifically designed to adjust for prematurity, ensuring accurate corrected age calculations for premature infants.

How often should I use the ASQ Online Calculator?

The frequency depends on your screening schedule. For ongoing developmental monitoring, use the ASQ Online Calculator each time you administer an ASQ-3 or ASQ:SE-2 questionnaire, typically every 2–6 months depending on the childs age and needs.

What are the ASQ-3 and ASQ:SE-2 questionnaires?

The ASQ-3 (Ages and Stages Questionnaire, 3rd Edition) assesses developmental milestones in areas like communication, gross motor, fine motor, problem-solving, and personal-social skills. The ASQ:SE-2 (Social-Emotional, 2nd Edition) focuses on social-emotional development, including behaviors like self-regulation and interaction. The ASQ Online Calculator helps determine the correct questionnaire for a childs age.

What inputs do I need to get accurate results?

You need the administration date, the child's birth date, and weeks of prematurity (if applicable). Using exact dates improves the corrected age result.

Does this replace professional screening?

No. This tool helps pick the right questionnaire interval but does not replace clinical evaluation or professional guidance.

Tips

  • Use accurate birth and administration dates for best results.
  • Consult your program’s full-term definition for prematurity.
  • Contact support via the ASQ Online Calculator Technical Support Form for help.