Some physical quantities, expressed in archaic units:

The radius of the observable universe ~ 2.838159 x 10²² leagues.
The diameter of an atom ~ 4.35 x 10^-9 spans.
The average distance between sun and earth ~ 760,000,000 furlongs.
The circumference of the earth ~ 8,095,757 rods.
The volume of the world's oceans ~ 5.29148 x 10¹⁸ hogsheads.
The volume of the Empire State Building ~ 37,000,000 amphorae.
The volume of the world's forests ~ 1.0733 x 10¹³ faggots.
The area of the world's polar ice caps ~ 8.5964-9.7177 x 10⁹ jugerum.
The mass of a uranium atom ~ 6.09 x 10^-20 grains.
The mass of the earth ~ 1.537 x 10²⁷ drachms (drams).
The mass of the sun ~ 6.06 x 10²⁹ talents.
The Planck mass ~ 0.00001399 pennyweight.
Atmospheric pressure at sea level ~ 416,745 scruples per square span.
Density of water at 4 degrees C. ~ 0.86 talents per amphora.
Acceleration due to gravity on earth ~ 22 cubits per second squared.