Decimeter to Cable Length Conversion Calculator: Free Online Tool
Convert decimeters to cable lengths with our free online length converter.
Decimeter to Cable Length Calculator
How to Use the Calculator:
- Enter the value you want to convert in the 'From' field (Decimeter).
- The converted value in Cable Length will appear automatically in the 'To' field.
- Use the dropdown menus to select different units within the Length category.
- Click the swap button (⇌) to reverse the conversion direction.
How to Convert Decimeter to Cable Length
Converting Decimeter to Cable Length involves multiplying the value by a specific conversion factor, as shown in the formula below.
Formula:
1 Decimeter = 0.000539957 cable lengthsExample Calculation:
Convert 10 decimeters: 10 × 0.000539957 = 0.00539957 cable lengths
Disclaimer: For Reference Only
These conversion results are provided for informational purposes only. While we strive for accuracy, we make no guarantees regarding the precision of these results, especially for conversions involving extremely large or small numbers which may be subject to the inherent limitations of standard computer floating-point arithmetic.
Not for professional use. Results should be verified before use in any critical application. View our Terms of Service for more information.
What is a Decimeter and a Cable Length?
The decimeter (symbol: dm) is a unit of length in the metric system. It is defined as exactly one-tenth (1/10) of a meter, which is the base unit of length in the International System of Units (SI). Therefore, 1 meter equals 10 decimeters.
A Cable Length (symbol cb), often shortened to cable, is a nautical unit of length, traditionally related to the length of a ship's anchor cable. While its exact length has varied historically and geographically, it is now most commonly defined internationally as one-tenth of a nautical mile (1/10 NM).
This standard definition equates to:
- 185.2 meters (m)
- Approximately 607.61 feet (ft)
- Approximately 202.54 yards (yd)
Other historical definitions based on the fathom also exist.
Note: The Decimeter is part of the metric (SI) system, primarily used globally in science and trade. The Cable Length belongs to the imperial/US customary system.
History of the Decimeter and Cable Length
The decimeter originates from the French Revolution era, when the metric system was developed and introduced in France in the 1790s. The system aimed to create a rational and universal standard of measurement based on decimal multiples and submultiples of base units. The prefix "deci-" signifies a factor of one-tenth (10⁻¹). While the meter became the standard, the decimeter was defined as a convenient subdivision.
The unit originated from the practical length of a ship's anchor cable (or "shot" of chain) used in the age of sail. Anchor cables were typically manufactured in standard lengths that could be shackled together. This length provided a convenient unit for measuring distances related to anchoring and maneuvering close to shore or other vessels.
However, the length was not universally standardized:
- In the British Royal Navy, a cable was traditionally defined as 100 fathoms (equivalent to 600 feet or 182.88 meters).
- In the U.S. Navy, it was often defined as 120 fathoms (equivalent to 720 feet or 219.456 meters).
With the international adoption of the nautical mile (defined as 1852 meters), defining the cable as exactly one-tenth of this value (185.2 m) created a convenient, decimal-based relationship and became the most common modern standard, sometimes referred to as the "international cable length".
Common Uses for decimeters and cable lengths
Explore the typical applications for both Decimeter (metric) and Cable Length (imperial/US) to understand their common contexts.
Common Uses for decimeters
Although less frequently used in everyday measurements compared to the meter, centimeter, or millimeter, the decimeter finds application in certain contexts:
- Education: Often used in schools to teach the metric system and decimal relationships (10 dm = 1 m, 1 dm = 10 cm).
- Crafts and Sewing: Sometimes used for measuring fabric or materials where increments of 10 centimeters are practical.
- Scientific Fields: Occasionally used in specific scientific measurements or contexts where this scale is convenient.
- Volume: The cubic decimeter (dm³) is a very common unit of volume, as it is exactly equal to one liter (L). This link makes the decimeter conceptually important in understanding metric volume.
Common Uses for cable lengths
The cable length, particularly the 1/10 NM definition, remains in use in specific maritime contexts:
- Nautical Navigation & Ship Handling: Measuring short distances at sea, such as the distance between ships in formation, distance off a navigational hazard, distance to a pier, estimating anchor drag, or describing the scope (length) of anchor cable paid out.
- Hydrographic Surveying: Historically used on nautical charts, although meters are now the primary international standard for depth and short distances on modern charts.
- Naval Terminology: Persists in naval traditions and communications for describing close ranges.
- Historical Context: Encountered in older maritime texts, logs, charts, and naval records.
Frequently Asked Questions
Questions About Decimeter (dm)
How many decimeters are in a meter?
There are exactly 10 decimeters in 1 meter.
How many centimeters are in a decimeter?
There are exactly 10 centimeters in 1 decimeter.
How many millimeters are in a decimeter?
There are exactly 100 millimeters in 1 decimeter (since 1 dm = 10 cm and 1 cm = 10 mm).
How do you convert decimeters to inches?
To convert decimeters to inches, multiply the number of decimeters by approximately 3.93701. For example, 2 dm is about 2 * 3.93701 = 7.874 inches.
Is the decimeter commonly used?
The decimeter is not as commonly used in everyday language or general measurements as meters, centimeters, or even millimeters. However, it is a standard metric unit and is particularly important conceptually due to the cubic decimeter being equal to a liter.
What is a cubic decimeter?
A cubic decimeter (dm³) is a unit of volume equal to the volume of a cube with sides one decimeter (10 cm) long. It is exactly equivalent to 1 liter (L).
About Cable Length (cb)
What are the different values for a cable length?
The value depends on the definition being used:
- International Standard: 1 cable = 1/10 nautical mile = 185.2 meters ≈ 607.61 feet. (Most common modern definition)
- British Traditional: 1 cable = 100 fathoms = 182.88 meters = 600 feet.
- US Traditional: 1 cable = 120 fathoms = 219.456 meters = 720 feet.
Always clarify which definition is intended if precision is critical, though the 1/10 NM version is generally assumed today unless otherwise specified.
How many meters are in a standard cable length?
The internationally recognized standard cable length is exactly 185.2 meters.
How many feet are in a standard cable length?
The internationally recognized standard cable length is approximately 607.61 feet. The traditional British cable was 600 ft, and the traditional US cable was 720 ft.
Is the cable length related to the nautical mile?
Yes, the most common modern definition establishes a direct relationship: 1 cable length = 1/10 nautical mile.
Is the cable length an SI unit?
No, the cable length is not an SI unit. It is a traditional nautical unit derived from maritime practice and later linked to the nautical mile. The corresponding SI unit for length is the meter (m).
Is the cable length still used today?
Yes, while meters and nautical miles are standard for most navigation, the cable length (especially the 1/10 NM definition) is still actively used in specific maritime applications like anchoring, close maneuvering, naval operations, and sometimes in recreational boating contexts. It serves as a convenient subdivision of the nautical mile.
Conversion Table: Decimeter to Cable Length
| Decimeter (dm) | Cable Length (cb) |
|---|---|
| 1 | 0.001 |
| 5 | 0.003 |
| 10 | 0.005 |
| 25 | 0.014 |
| 50 | 0.027 |
| 100 | 0.054 |
| 500 | 0.27 |
| 1,000 | 0.54 |
All Length Conversions
Other Units from Length
- Meter (m)
- Kilometer (km)
- Hectometer (hm)
- Centimeter (cm)
- Millimeter (mm)
- Inch (in)
- Foot (ft)
- Yard (yd)
- Mile (mi)
- Nautical Mile (NM)
- Micrometer (μm)
- Nanometer (nm)
- Light Year (ly)
- Astronomical Unit (AU)
- Parsec (pc)
- Angstrom (Å)
- Point (Typography) (pt)
- Mil/Thou (mil)
- Fathom (fath)
- Furlong (fur)
- Link (Gunter's) (li)
- Pace (pace)
- Span (span)
- Digit (digit)
- Ell (ell)
- Finger (finger)
- Roman Mile (m.p.)
- Stadion (stadion)
- Chi (Chinese) (chi)
- Shaku (Japanese) (shaku)
- Li (Chinese) (li)
- Toise (toise)
- Bolt (bolt)
- Rope (rope)
- Smoot (smoot)
- Sajene (sajene)
- Ken (ken)
- Wa (wa)
- Vara (vara)
- Aln (aln)
- Cubit (Royal/Egyptian) (cubit)
- Versta (versta)
- Arpent (arpent)
- Ri (Japanese) (ri)
- Klafter (klafter)
- Yojana (yojana)
- Skein (skein)