Fathoms to Feet
Convert fathoms to feet instantly. 1 ftm = 6 ft. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert fathoms to feet
To convert fathoms to feet, multiply by 6. The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
ft = ftm × 6
Fathoms to Feet conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Fathoms | Feet |
|---|---|
| 1 ftm | 6 ft |
| 2 ftm | 12 ft |
| 3 ftm | 18 ft |
| 5 ftm | 30 ft |
| 10 ftm | 60 ft |
| 20 ftm | 120 ft |
| 25 ftm | 150 ft |
| 50 ftm | 300 ft |
| 100 ftm | 600 ft |
| 500 ftm | 3,000 ft |
| 1,000 ftm | 6,000 ft |
What is a fathom?
Six feet. The traditional unit for water depth on nautical charts.
What is a feet?
Twelve inches, exactly 0.3048 m. Still standard for aviation altitude worldwide.
The formula
ft = ftm × 6
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the Fathoms to Feet
- Type the number of fathoms you want to convert.
- Read the result in feet straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked feet to fathoms page.
Fathoms to Feet — frequently asked questions
How many feet are in a fathom?
One fathom equals 6 ft. ft = ftm × 6
What is the formula to convert fathoms to feet?
The formula is ft = ftm × 6. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert feet back to fathoms?
Divide instead of multiplying: one feet is 0.1666666667 ftm. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this fathoms to feet free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 15, 2026 · Calculation runs client-side · No data collected · Report an error