Orders of magnitude (area)

An area of one square kilometre consists of 100 hectares each containing 10000 square metres.

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

1070 to 109 square metres

List of orders of magnitude for area 1070 to 109 square metres
Factor (m2) Multiple Value Item
1070   2.6×1070 m2 Planck area, [1]
1052   1052 m2 1 shed[2]
1048 1 square yoctometre (ym2)  1 ym2  
1043   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 an uranium nucleus[5]
10−24 1 square picometre (pm2)  1 pm2  
10−20 1 square angstrom2)  10,000 pm2  
10−19 100,000 pm2 Area of a lipid bilayer, per molecule[6]
75-260,000 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 μm2 - 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]
Other Languages