Resources
Dosing Calculator
This calculator is intended to recommend a general daily dose to help prevent iron deficiency and iron deficiency anemia.
Nevertheless, your healthcare provider may advise using higher daily doses than what this calculator suggests, depending on the degree of your / your child’s iron deficiency, physical examination findings, signs and symptoms, laboratory results, and presence of iron deficiency anemia.
Always consult your healthcare provider to determine the appropriate daily iron dose for you / your child and read and follow the product’s label.
INFORMATION INPUT
SUGGESTED DOSE
The suggested dose is:
Clinical guidelines recommend 2–6 mg of elemental iron per kg of body weight per day for infants and children with iron deficiency. Infants 12 months of age and younger may receive up to 3 mg of elemental iron per kg per day, with a maximum of 15 mg per day. For toddlers 1–3 years old, 3–6 mg of elemental iron per kg per day, with a maximum of 60 mg per day, may be recommended 1 . For adolescents (12 to 18 years), the usual dosage for the treatment of iron deficiency anemia is 60–120 mg of elemental iron per day 2.
1Guidelines & Protocols Advisory Committee. Appendix D: Pediatric iron doses and liquid formulations (supplement to Iron Deficiency – Investigation and Management). British Columbia Ministry of Health; 2019.
Available from: https://www2.gov.bc.ca/assets/gov/health/practitioner-pro/bc-guidelines/iron-deficiency-appendix-d.pdf
2 Anemia Handbook for Family Medicine. Toronto: MUMS Health; 2025. p. 18. ISBN 978-1-894332-26-2.