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Fathom (ftm)

Six feet, used for water depth.

Result1,828.8

1 fathom = 1,828.8 millimeters

Fathom at a glance

Unit nameFathom (plural: fathoms)
Symbolftm
Quantity measuredLength
Measurement systemImperial (UK)
Also known asfathoms
Definition exact?Yes — exact by definition

1 fathom in other length units

Unit1 ftm equals
Nanometer1,828,800,000 nm
Micrometer1,828,800 µm
Millimeter1,828.8 mm
Centimeter182.88 cm
Decimeter18.288 dm
Meter1.8288 m
Kilometer0.0018288 km
Inch72 in
Foot6 ft
Yard2 yd
Mile0.001136364 mi
Nautical mile0.000987473 nmi
Angstrom18,288,000,000 Å
Mil72,000 mil
Rod0.363636364 rd
Chain0.090909091 ch
Furlong0.009090909 fur
League0.000378788 lea
Astronomical unit1.22247729 × 10⁻¹¹ au
Light-year1.93304313 × 10⁻¹⁶ ly
Parsec5.92673716 × 10⁻¹⁷ pc

Frequently asked questions

What is a fathom?
Six feet, used for water depth.
What is the symbol for the fathom?
The symbol for the fathom is ftm. It measures length.
How many millimeters are in a fathom?
1 fathom = 1,828.8 millimeters.
How many centimeters are in a fathom?
1 fathom = 182.88 centimeters.
How many meters are in a fathom?
1 fathom = 1.8288 meters.