Work out calcium requirement instantly with clear inputs, formula shown and shareable results.
Applies the age and sex specific calcium reference intakes and converts any shortfall into 300 mg dairy-equivalent servings.
Calcium reference intakes
1,000 mg for most adults, 1,300 mg for ages 9 to 18, and 1,200 mg for women over 50 and everyone over 70
Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
About 300 mg in 250 mL of milk, a small pot of yoghurt or 30 g of hard cheese.
Food sources are preferred; supplemental calcium above requirements has been linked to cardiovascular and kidney stone risk.