nanograms per milliliter (ng/mL)
Not SI units
A nanogram is one-billionth of a gram. A gram is about 1/30 of an ounce. A milliliter measures fluid volume that is one-thousandth of a liter. A liter is a little bigger than a quart.
Not SI units
A nanogram is one-billionth of a gram. A gram is about 1/30 of an ounce. A milliliter measures fluid volume that is one-thousandth of a liter. A liter is a little bigger than a quart.