Check calcium intake vs RDA by age and sex — see mg/day, % of RDA and food sources.
Check calcium intake vs RDA by age and sex — see mg/day, % of RDA and food sources.
Enter values above and click Calculate — results will appear here with the formula explained.
RDA for calcium is 1000mg 19-50, 1200mg for women 51+ and men 70+. This checks intake vs RDA.
Dairy, fortified plant milk, sardines are sources. Vitamin D needed for absorption.
To use the Calcium Intake Calculator, enter age, sex, daily calcium (mg) above for an instant result with full breakdown and formula (RDA: 1000mg 19-50, 1200mg 51+ women/70+ men; % = intake/RDA*100). Adjust values live to compare scenarios, then check the worked example and FAQs below for practical tips and costly mistakes to avoid.
Check calcium intake vs RDA by age and sex — see mg/day, % of RDA and food sources. Formula: RDA: 1000mg 19-50, 1200mg 51+ women/70+ men. Example: At 30 female, 800mg intake: RDA 1000mg, 80% — add 300mg via yogurt to reach 100%.
RDA for calcium is 1000mg 19-50, 1200mg for women 51+ and men 70+. This checks intake vs RDA.
Dairy, fortified plant milk, sardines are sources. Vitamin D needed for absorption.
To use the Calcium Intake Calculator, enter age, sex, daily calcium (mg) above for an instant result with full breakdown and formula (RDA: 1000mg 19-50, 1200mg 51+ women/70+ men; % = intake/RDA*100). Adjust values live to compare scenarios, then check the worked example and FAQs below for practical tips and costly mistakes to avoid.
At 30 female, 800mg intake: RDA 1000mg, 80% — add 300mg via yogurt to reach 100%.
Formulas are standard public references (see our methodology). External standards are cited in the text where they apply.
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