1 Hemoglobin. 2  Lower than normal hemoglobin levels indicate anemia. 3  The normal hemoglobin range is generally defined as 13.5 to 17.5 grams (g) of hemoglobin per deciliter (dL) of blood for men and 12.0 to 15.5 g/dL for women. 4  The normal ranges for children vary depending on the child's age and sex.5  Ferritin. Lower than normal hemoglobin levels indicate anemia. 2  The normal hemoglobin range is generally defined as 13.5 to 17.5 grams (g) of hemoglobin per deciliter (dL) of blood for men and 12.0 to 15.5 g/dL for women.