normal reference range haemoglobin
The normal range for hemoglobin is: 1  For men, 13.5 to 17.5 grams per deciliter. 2  For women, 12.0 to 15.5 grams per deciliter.f your hemoglobin level is lower than normal, you have anemia. There are many forms of anemia, each with different causes, which can include: 1  Iron deficiency. 2  Vitamin B-12 deficiency. 3  Folate deficiency. 4  Bleeding. 5  Cancers that affect the bone marrow, such as leukemia. 6  Kidney disease. 7  Liver disease.