1 Twip is exactly one twentieth (1/20) of a PostScript point. A PostScript point itself being 1/72 of an inch, making a twip 1/1440 inch. 1 Twip is approximately 1.763889 x 10-5 meters (SI base unit). 1 twp ≈ 0.000017638888888889 m.
4 000 meters. A general or metric league of 4 kilometers. Leagues based on the mile are typically smaller at 3 miles, however there are many variations. Used by Jules Verne in 20 000 Leagues Under the Sea. 1 League (metric) = 4 000 meters (SI unit).