Daily Calcium Needs Calculator
Recommended daily calcium based on age and sex.
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These are US Dietary Reference Intakes for adults. Dairy, fortified foods and leafy greens are good sources.
Medical disclaimer: This tool is for education and is not medical advice. Read more.
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Frequently asked questions
What does the Daily Calcium Needs Calculator do?
Recommended daily calcium based on age and sex. 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: how much calcium do i need; calcium rda by age; daily calcium requirement.