Conversion from Sea mile (NM) to Fathom (fth) and vice versa

Updated on by Stefan Banse

Here you can convert the Unit of length Sea mile into the unit Fathom and vice versa you can convert Fathom into Sea mile. By clicking the "Swap units" icon, you will always obtain the desired conversion in the calculation result, i.e., NM to fth or fth to NM. With the following calculator you can also calculate any other Unit of length.

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Info about "Sea mile"

The sea mile or nautical mile is a unit of length frequently used in shipping and aviation. It was originally intended to measure 1/60 degree of latitude. Later, the nautical mile was defined accurately as 1,852.0 m.

The nautical mile is used as a unit of length in maritime navigation in an unified international way, unlike measuring distances on land, which uses two different units of length depending on the region, namely kilometer and mile.

Info about "Fathom"

The fathom or thread is defined as the distance between the outstretched arms of an adult male and was defined as 6 feet (1.8288 meters).

The name is derived from the Old English word "fæðm" , which is related to the Danish word "favn". Its meaning is the same as "outstretched arms". In English speaking navigation, the fathom is often used as a unit of length to indicate depth.

Basis for conversion Sea mile (NM) to Fathom (fth) and vice versa

The abbreviation for the "Unit of length Sea mile" is NM. The abbreviation for the "Unit of length Fathom" is fth.

Formula for the conversion of Sea mile (NM) to Fathom (fth) and vice versa

The calculation from Sea mile to Fathom shall be made using the following conversion formula:

 Conversion formula Sea mile to Fathom 

Determine the number of Fathom from Sea mile

Sea mile × 1012.6859142607


Formula for the conversion of Fathom (fth) to Sea mile (NM)

The calculation from Fathom to Sea mile shall be made using the following conversion formula:

 Conversion formula Fathom to Sea mile 

Determine the number of Sea mile from Fathom

Fathom × 0.00098747300215983


Overview table: How many Sea mile are how many Fathom?

Sea mile NM ⇒ Fathom fth
0.01 NM  are  10.12685 fth
0.02 NM  are  20.25371 fth
0.03 NM  are  30.38057 fth
0.04 NM  are  40.50743 fth
0.05 NM  are  50.63429 fth
0.06 NM  are  60.76115 fth
0.07 NM  are  70.88801 fth
0.08 NM  are  81.01487 fth
0.09 NM  are  91.14173 fth
0.10 NM  are  101.26859 fth
0.20 NM  are  202.53718 fth
0.30 NM  are  303.80577 fth
0.40 NM  are  405.07436 fth
0.50 NM  are  506.34295 fth
0.60 NM  are  607.61154 fth
0.70 NM  are  708.88014 fth
0.80 NM  are  810.14873 fth
0.90 NM  are  911.41732 fth
1 NM  corresponds to  1 012.68591 fth
2 NM  are  2 025.37182 fth
3 NM  are  3 038.05774 fth
4 NM  are  4 050.74365 fth
5 NM  are  5 063.42957 fth
6 NM  are  6 076.11548 fth
7 NM  are  7 088.80140 fth
8 NM  are  8 101.48731 fth
9 NM  are  9 114.17322 fth
10 NM  are  10 126.85914 fth
20 NM  are  20 253.71828 fth
30 NM  are  30 380.57742 fth
40 NM  are  40 507.43657 fth
50 NM  are  50 634.29571 fth
60 NM  are  60 761.15485 fth
70 NM  are  70 888.01399 fth
80 NM  are  81 014.87314 fth
90 NM  are  91 141.73228 fth
100 NM  are  101 268.59142 fth
200 NM  are  202 537.18285 fth
300 NM  are  303 805.77427 fth
400 NM  are  405 074.36570 fth
500 NM  are  506 342.95713 fth
600 NM  are  607 611.54855 fth
700 NM  are  708 880.13998 fth
800 NM  are  810 148.73140 fth
900 NM  are  911 417.32283 fth
1 000 NM  are  1 012 685.91426 fth

Overview table: How many Fathom are how many Sea mile?

Fathom fth ⇒ Sea mile NM
0.01 fth  are  0.00001 NM
0.02 fth  are  0.00002 NM
0.03 fth  are  0.00003 NM
0.04 fth  are  0.00003 NM
0.05 fth  are  0.00004 NM
0.06 fth  are  0.00005 NM
0.07 fth  are  0.00006 NM
0.08 fth  are  0.00007 NM
0.09 fth  are  0.00008 NM
0.10 fth  are  0.00009 NM
0.20 fth  are  0.00019 NM
0.30 fth  are  0.00029 NM
0.40 fth  are  0.00039 NM
0.50 fth  are  0.00049 NM
0.60 fth  are  0.00059 NM
0.70 fth  are  0.00069 NM
0.80 fth  are  0.00079 NM
0.90 fth  are  0.00088 NM
1 fth  corresponds to  0.00098 NM
2 fth  are  0.00197 NM
3 fth  are  0.00296 NM
4 fth  are  0.00395 NM
5 fth  are  0.00493 NM
6 fth  are  0.00592 NM
7 fth  are  0.00691 NM
8 fth  are  0.00790 NM
9 fth  are  0.00888 NM
10 fth  are  0.00987 NM
20 fth  are  0.01974 NM
30 fth  are  0.02962 NM
40 fth  are  0.03949 NM
50 fth  are  0.04937 NM
60 fth  are  0.05924 NM
70 fth  are  0.06912 NM
80 fth  are  0.07899 NM
90 fth  are  0.08887 NM
100 fth  are  0.09874 NM
200 fth  are  0.19749 NM
300 fth  are  0.29624 NM
400 fth  are  0.39498 NM
500 fth  are  0.49373 NM
600 fth  are  0.59248 NM
700 fth  are  0.69123 NM
800 fth  are  0.78997 NM
900 fth  are  0.88872 NM
1 000 fth  are  0.98747 NM

Source information

As source for the information in the "Units of length" category, we have used in particular:

Last update on November 22, 2020

The last changes in the "Units of length" category were implemented by Stefan Banse on November 22, 2020. The main changes were:

  • November 5, 2020: Publication of the Length converter
  • Editorial revision of all texts in this category