Professional tool to determine the appropriate Ages and Stages Questionnaire (ASQ-3) based on your child’s age, with adjustments for premature birth.
Child Information
Enter your child’s birth date and current assessment date for accurate ASQ recommendation
ASQ Recommendation
Based on the child’s chronological age
User Guide & Information
Complete guide to using the ASQ Calculator and understanding ASQ-3 developmental screening
What is ASQ-3?
The Ages and Stages Questionnaires, Third Edition (ASQ-3) is a developmental screening tool that helps identify children who may need further assessment or early intervention services.
- Parent-completed questionnaires
- Covers ages 1 month to 5½ years
- Takes 10-15 minutes to complete
- Available in multiple languages
- Validated and reliable screening tool
Developmental Areas
ASQ-3 screens five key areas of development:
- Communication: Language and communication skills
- Gross Motor: Large muscle movement and coordination
- Fine Motor: Small muscle movement and hand-eye coordination
- Problem Solving: Learning and thinking skills
- Personal-Social: Self-help and social skills
How to Use This Calculator
Follow these simple steps on any device:
- Step 1: Enter your child’s exact birth date
- Step 2: Enter the assessment date (usually today)
- Step 3: If premature, check the box and enter weeks early
- Step 4: Results update automatically as you type
- Step 5: Use the recommended ASQ questionnaire
Prematurity Adjustment
For children born before 37 weeks gestation, we calculate an “adjusted age” by subtracting the weeks early from their chronological age.
- Use adjusted age for children under 24 months
- Helps ensure accurate developmental expectations
- Consult your healthcare provider for guidance
- Adjustment typically used until 24 months corrected age
When to Screen
ASQ-3 screening is recommended at specific intervals:
- Regular well-child visits (2, 4, 6, 9, 12, 15, 18, 24, 30 months)
- Before starting school programs
- When parents or caregivers have concerns
- As part of early intervention programs
- Annual screening for children 3-5 years
Important Notes
Please remember:
- This calculator provides guidance only
- Always consult healthcare professionals
- ASQ-3 is a screening tool, not a diagnostic test
- Results should be interpreted by qualified professionals
- Cultural and linguistic factors should be considered
- Follow up with healthcare provider for concerning results
What is the ASQ Calculator?
The ASQ Calculator is a free online tool that helps parents and healthcare providers determine the correct Ages and Stages Questionnaire (ASQ-3) for developmental screening. Our calculator provides precise recommendations based on your child’s exact age, including adjustments for premature birth.
Key Features
Accurate Age Calculations
- Precise day-by-day calculations
- Real-time results as you type
- Chronological and adjusted age display
- Professional-grade accuracy
Prematurity Support
- Corrected age calculations for babies born 1-20 weeks early
- Automatic adjustments following medical guidelines
- Appropriate ASQ recommendations for premature infants
User-Friendly Design
- Mobile-responsive – works on all devices
- No downloads required
- Instant results with clear explanations
- Free to use forever
How to Use the ASQ Calculator
Step 1: Enter Birth Date
Input your child’s exact birth date using the date picker.
Step 2: Set Assessment Date
Enter today’s date or when you plan to conduct the ASQ screening.
Step 3: Indicate Prematurity (If Applicable)
- Check the box if born before 37 weeks
- Enter weeks born early (1-20 weeks)
- Calculator automatically adjusts the age
Step 4: Get Recommendations
Instantly receive:
- Recommended ASQ questionnaire
- Next ASQ in sequence
- Detailed age breakdown
Understanding ASQ-3 Developmental Screening
What is ASQ-3?
The Ages and Stages Questionnaires, Third Edition (ASQ-3) is a trusted developmental screening tool used by healthcare providers worldwide to identify children who may need further assessment or early intervention.
Five Development Areas Assessed
- Communication – Language and speech skills
- Gross Motor – Large muscle movement and coordination
- Fine Motor – Hand-eye coordination and dexterity
- Problem Solving – Learning and cognitive abilities
- Personal-Social – Self-help and social skills
Available ASQ-3 Questionnaires
Our calculator recommends the appropriate questionnaire from 21 available options:
- 2, 4, 6, 8, 9, 10 Month ASQ-3 (infants)
- 12, 14, 16, 18, 20, 22, 24 Month ASQ-3 (toddlers)
- 27, 30, 33, 36, 42, 48, 54, 60 Month ASQ-3 (preschoolers)
When to Use Adjusted Age
For premature babies, use corrected age for:
- Children under 24 months
- Developmental screenings
- Educational planning
- Medical evaluations
Formula: Adjusted Age = Chronological Age – Weeks Born Early
Benefits of Our ASQ Calculator
For Parents
- Peace of mind with accurate recommendations
- Easy preparation for pediatric appointments
- Early identification of developmental concerns
For Healthcare Providers
- Time-saving during patient visits
- Consistent accuracy in age calculations
- Professional documentation support
For Early Childhood Professionals
- Reliable screening protocols
- Educational planning assistance
- Intervention timing guidance
Frequently Asked Questions
How Accurate is the Calculator?
Our ASQ Calculator follows official ASQ-3 guidelines and medical standards for prematurity adjustments, ensuring professional-grade accuracy.
Is it Free to Use?
Yes! The calculator is completely free and accessible on all devices without any downloads or registrations.
How Often Should Children be Screened?
The American Academy of Pediatrics recommends developmental screening at 9, 18, and 24-30 months, plus additional screenings as needed.
About Calculat
Calculat is a leading platform for professional online calculators, founded by Krishna Kumar. We’re committed to providing accurate, accessible tools that make complex calculations simple for families and healthcare professionals.
➤ Related Calculator
Age Calculator
Professional Resources
- ASQ Official Website – Complete ASQ information
- American Academy of Pediatrics – Developmental guidelines
- CDC Developmental Milestones – Child development resources