Skip to main content

Fathoms to Meters Depth Converter
↔ Convert m to fathom instead

Common Conversions

fathom m
0.5 0.914
1 1.829
2 3.658
5 9.144
10 18.288
25 45.72
50 91.44
100 182.88
500 914.4
1000 1828.8

Why this conversion matters in chemistry

Decadal-trend ocean-chemistry analyses is the usual setting. A historical CTD cast logged at 1000 fathoms is 1828.8 m, deep into the abyssal water column where anthropogenic CO₂ uptake records show. Reconciling a fathom-based 1970s station against a modern metric-based sampling line is the bookkeeping behind any pH or nutrient trend study spanning that timeframe. A factor of 1.8288 m per fathom comes from 1 fathom = 6 feet, with the foot fixed exactly at 0.3048 m by international agreement. The unit survives on US and UK nautical charts for navigation; oceanographic data has otherwise moved to meters.

Formula

m = fathom × 1.8288

Worked Examples

1 fathom = 1.829 m

One fathom — exactly six feet, the navigation-chart anchor.

100 fathom = 182.88 m

Roughly the continental-shelf edge — the boundary between coastal and oceanic chemistry.

1000 fathom = 1828.8 m

A deep-ocean sampling depth — well into the dissolved-CO₂ anthropogenic-uptake regime.

Frequently Asked Questions

How do I convert fathoms to meters?
Multiply by 1.8288. One fathom = 6 feet = 1.8288 m exactly. The factor is exact through the international-foot definition.
Why are fathoms still used?
Nautical charts traditionally label depths in fathoms (or feet in shallow water). International charts are gradually moving to meters, but US and UK charts still carry fathom soundings. Marine chemists encounter them mostly in historical archives and in navigation.
How does ocean depth affect chemistry?
Water chemistry changes dramatically with depth — dissolved oxygen drops through the 200–1000 m oxygen-minimum zone, pressure scales gas solubility, temperature falls, and nutrient profiles shift. Knowing the sampling depth is the first thing a meaningful marine-chemistry result needs.