What does a ratio of 1 : 1 look like?
Length of a Pixel XL smartphone (154.7 mm)...
: Length of USA dollar bill (156 mm) ...
Height of Ulm Minster, Germany (161.5 m)...
: Height of Beachy Head Cliff on the South Coast of England (162 m) ...
Length of the USA / Canada border (8,890 km)...
: Length of the Great Wall of China (8,850 km) ...
Length of a baseball pitch, pitcher to batter (18.44 m)...
: Length of a ten pin bowling lane (18.29 m) ...
Side of a casino-standard dice (19 mm)...
: Diameter of a US 1c coin (19 mm) ...