Meters to Fathoms Depth Converter
Common Conversions
| m | fathom |
|---|---|
| 1 | 0.547 |
| 2 | 1.094 |
| 5 | 2.734 |
| 10 | 5.468 |
| 25 | 13.67 |
| 50 | 27.34 |
| 100 | 54.681 |
| 200 | 109.361 |
| 500 | 273.403 |
| 1000 | 546.807 |
Why this conversion matters in chemistry
Take decadal-trend ocean-chemistry analyses. A modern CTD profile cast at 2000 m needs to align against 1970s-era GEOSECS-program records that documented sample depths in fathoms — 1093.6 fathoms for the same depth. The multiplier of 0.546807 fathom per m is the inverse of 1.8288 m per fathom, itself dropping out of 1 fathom = 6 ft. Worth doing carefully when bridging modern SI hydrographic data and historical fathom-archived expedition records, especially for paleoceanographic and anthropogenic-CO₂ deep-water penetration time-series.
Formula
fathom = m × 0.546807
Worked Examples
1.829 m = 1 fathom
One fathom in meters — the conversion anchor in reverse.
200 m = 109.4 fathom
About the lower edge of the photic zone in fathoms.
1 m = 0.547 fathom
One meter expressed in fathoms — useful as a quick mental anchor.
Frequently Asked Questions
How do I convert meters to fathoms?
Multiply by 0.546807, or equivalently divide by 1.8288. For quick estimates, divide meters by about 1.83. The factor is exact through the international foot definition.
Where does the fathom come from?
The fathom originally captured the span of outstretched arms — about 6 feet — and was later standardized as exactly 6 feet (1.8288 m). The word comes from Old English 'fæthm' meaning 'embrace,' which mirrors the physical gesture.
What ocean depths are chemically significant?
Key zones: photic (0–200 m, where light-driven chemistry happens), thermocline (200–1000 m, steep temperature gradient), oxygen-minimum zone (200–1000 m, low O₂ shifts metal speciation), and deep ocean (>1000 m, cold and high-pressure with distinct chemistry). Knowing the depth is the first thing meaningful marine-chemistry data needs.