Child Vitamin D Needs Calculator
Recommended daily vitamin D for infants and children.
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Infants and children are usually advised 400 IU per day from early infancy. Check the dose on any product, and speak to your clinician before giving supplements.
Medical disclaimer: This tool is for education and is not medical advice. Read more.
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Frequently asked questions
What does the Child Vitamin D Needs Calculator do?
Recommended daily vitamin D for infants and children. Enter your values and the result and chart update instantly.
How accurate is it?
It uses published, widely used formulas. Results are estimates for education and planning, not a diagnosis. Talk to a qualified clinician about decisions affecting your health.
Is my information stored or shared?
No. All calculations run in your browser and nothing you type is sent to a server or saved.
What can I search to find this tool?
People find it by searching for: vitamin d for babies; child vitamin d dose; vitamin d drops toddler.