Orders of magnitude (area)

This page is a progressive and labelled list of the SI area orders of magnitude, with certain examples appended to some list objects.

List of orders of magnitude for area 10⁻⁷⁰ to 10⁻⁹ square metres

Factor (m2)	Multiple	Value	Item
10−70		2.6×10−70 m2	Planck area, ${\displaystyle {\frac {G\hbar }{c^{3}}}}$[1]
10−60	1 square quectometre
10−54	1 square rontometre
10−52		100 rm2	1 shed[2]
10−48	1 square yoctometre (ym2)	1 ym2
10−43		100,000 ym2	1 femtobarn[3]
10−42	1 square zeptometre (zm2)	1 zm2
10−36	1 square attometre (am2)	1 am2
10−30	1 square femtometre (fm2)	1 fm2
10−29		66.52 fm2	Thomson cross-section of the electron[4]
10−28		100 fm2	1 barn, roughly the cross-sectional area of a uranium nucleus[5]
10−24	1 square picometre (pm2)	1 pm2
10−20	1 square angstrom (Å2)	10,000 pm2
10−19		100,000 pm2	Area of a lipid bilayer, per molecule[6]
		75,000–260,000 pm2	Surface area of the 20 standard amino acids[7]
10−18	1 square nanometre (nm2)	1 nm2
10−16		100 nm2	Globular proteins: solvent-accessible surface area of a typical globular protein, having a typical molecular mass of ~35000 u (quite variable)[8]
10−14		17,000 nm2	Cross-sectional area of a nuclear pore complex in vertebrates[9]
10−12	1 square micrometre (μm2)	6 μm2	Surface area of an E. coli bacterium[10]
10−10		100 μm2	Surface area of a red blood cell[11]
10−9		6,000–110,000 μm2	Range of common LCD screen pixel sizes[12]
		7,000 μm2	Area of a dot printed using 300 dots per inch resolution[13]
		8,000 μm2	Cross-sectional area of a straight human hair that is 100 μm[14] in diameter[15]