| | Family Health | Babies Health As a baby how much blood do you have? As a newborn baby, the average blood volume is around 270 milliliters, which is approximately eight percent of their body weight. Babies Health - Related Articles How many people in SA has cold agglutinin disease? How to Deter Teenagers From Starting to Smoke Requirements for Starting a Home Health Business in Tennessee What Are the Signs of HIV? Protracted Ear Infection Medical Financial Assistance Grants How to Make a Mullein Tincture