Question: what is the difference between ng/ml and pg/ml?
Answer: We assume you are converting between picogram/milliliter and nanogram/millilitre. You can view more details on each measurement unit: pg/ml or ng/ml The SI derived unit for density is the kilogram/cubic meter. 1 kilogram/cubic meter is equal to 1000000000 pg/ml, or 1000000 ng/ml.