Life-stage RDI (mg)
Babies 0-6 months ~210 (if breastfed)
~350 (if formula fed)
Babies 7-12 months 270
Children 1-3 years 500
Children 4-8 years 700
Children 9-11 years 1,000
Adolescents 12-18 years* 1,300
Women 19-50 years* 1,000
Women 51-70 years ~1,300
Men 19-70 years 1,000
Adults over 70 years ~1,300
Table 1: Recommended dietary intake (RDI) of calcium in Australia and the United States of America, at different life-stages [13,14,25]. *Including pregnant and breastfeeding women.