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length · Maritime historical family · Historical-modern

cable length

variant
Record
M052
Definition quality
Variant-dependent
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Definition

Cable length is a nautical distance term whose numerical value has varied by country, navy and period.

Reference value by variant

cable length covers several documented traditions, each with its own value. Choose a variant below to see a figure.

History & use

Cable lengths arose from maritime practice and were commonly related to fractions of a nautical mile or cable/anchor practice, but standards differed.

Modern use

Modern use is context-dependent and varies by region or measurement system.

Sources & evidence

Related measurements

length · International · Modern

SI base unit of length. Its definition fixes the speed of light in vacuum at exactly 299,792,458 m/s, with the second defined from the caesium-133 hyperfine frequency.

length · International · Modern

1 km = 1000 m by the SI prefix kilo-.

length · International · Modern

1 cm = 0.01 m by the SI prefix centi-.

length · International · Modern

1 mm = 0.001 m by the SI prefix milli-.

length · UK / US · Modern / historical

1 international inch = exactly 0.0254 m.

length · UK / US · Modern / historical

1 international foot = exactly 0.3048 m.

length · UK / US · Modern / historical

1 international yard = exactly 0.9144 m.

length · UK / US · Modern / historical

1 international mile = exactly 1609.344 m = 1760 yd.