It's about 65,000 times as long as a Glucose Molecule.
In other words, the length of a Glucose Molecule is 0.0000150 times 0.0039 inches.(C6H12O6, a.k.a. grape sugar) (open chain form)
Am individual glucose molecule measures 0.0000000590 inches in its open-chain form. Glucose is the most common fuel source of energy in human biology, with 3.75 kilocalories of energy per gram.
It's about 55 times as long as a Mitochondrion.
In other words, 0.0039 inches is 52.70 times the length of a Mitochondrion, and the length of a Mitochondrion is 0.019 times that amount.(Eukaryotic; average)
A mitochondrion measures between 0.75 and 3 micrometers (Âµm). The mitochondrion is commonly referred to as the powerhouse of the cell, responsible for the generation of ATP. The size, shape, and distribution of mitochondria varies widely, with human liver cells each having 1,000 to 2,000 mitochondria.
It's about 50 times as long as an E. coli Bacterium.
It's about seventeen times as long as a Nucleus (Cellular).
In other words, the length of a Nucleus (Cellular) is 0.059 times 0.0039 inches.(for animal cell)
The nucleus of an animal cell measures an average of 0.00024 inches. The nucleus is the largest organelle in these cells, accounting for about 10% of the cell's total volume.
It's about thirteen times as long as a Red Blood Cell.
In other words, the length of a Red Blood Cell is 0.077 times 0.0039 inches.(a.k.a. RBCs, a.k.a. haematids, a.k.a. erythrocyte, a.k.a. erythroid cells, a.k.a. red blood corpuscles) An average Red Blood Cell measures 7.5 µm (micrometers) in diameter. An average human has 20 - 30 trillion red blood cells in their body and each cell completes a circulatory lap in about 20 seconds.
It's about as long as a Strand of Hair.