Cable length

In Verne’s context, 600 feet



Centigrade

0° centigrade = freezing water


37° centigrade = human body temperature


100° centigrade = boiling water



Fathom

6 feet



Gram

Roughly 1/28 of an ounce

. . . Milligram

Roughly 1/28,000 of an ounce

. . . Kilogram (kilo)

Roughly 2.2 pounds



Hectare

Roughly 2.5 acres



Knot

1.15 miles per hour



League

In Verne’s context, 2.16 miles



Liter

Roughly 1 quart



Meter

Roughly 1 yard, 3 inches

. . . Millimeter

Roughly 1/25 of an inch

. . . Centimeter

Roughly 2/5 of an inch

. . . Decimeter

Roughly 4 inches

. . . Kilometer

Roughly 6/10 of a mile

. . . Myriameter

Roughly 6.2 miles



Ton, Metric

Roughly 2,200 pounds
