A famn is a traditional maritime length unit equivalent to one fathom or 6 feet, used mainly for measuring depths and nautical distances.

Why convert famn to foot (US survey)?

Converting famn to U.S. survey feet enables the integration of maritime measurements with land surveying and mapping data used in the United States.

Are there any precision issues in this conversion?

Yes, minor differences exist because the U.S. survey foot is defined slightly differently than the international foot, affecting high-precision applications.

How to Convert from Famn to Foot (US Survey) [ft]

Convert length measurements from famn, a traditional maritime unit, to the U.S. survey foot used in land surveying and mapping. Understand its applications, conversion process, and limitations here.

Famn

Foot (US survey) [ft]

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Famn to Foot (US survey) [ft] Conversion Table

Famn	Foot (US survey) [ft]

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Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

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Interval

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Famn to Foot (US survey) [ft] Conversion Table
Famn	Foot (US survey) [ft]

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What Is This Tool?

This converter transforms measurements from famn, a maritime unit of length traditionally used for nautical depths and distances, into foot (US survey), a unit commonly applied in U.S. land surveying and mapping. It facilitates the integration of historic and nautical length data with terrestrial surveying units.

How to Use This Tool?

Enter the length value you want to convert in famn.
Select famn as the input unit and foot (US survey) [ft] as the output unit.
Click the convert button to get the equivalent length in U.S. survey feet.
Use the result to integrate maritime measurements with land surveying and mapping data.

Key Features

Converts famn, a unit equal to one fathom or 6 feet, into U.S. survey feet.
Supports converting maritime measurements into units compatible with land surveying standards in the United States.
Useful for interpreting historical maritime data and aligning it with modern geodetic systems.
Browser-based and easy to use without the need for specialized software.

Examples

2 famn converts to approximately 11.6885 foot (US survey).
0.5 famn converts to about 2.9221 foot (US survey).

Common Use Cases

Recording and translating water depths on nautical charts to land surveying units.
Measuring lengths of shipboard ropes, cables, or anchor chains for engineering projects.
Interpreting and integrating historical maritime survey documents with cadastral boundary measurements.
Supporting coastal mapping and civil engineering projects that reference older survey data.

Tips & Best Practices

Ensure you know whether the legacy survey data uses U.S. survey feet or the international foot to avoid discrepancies.
Use this conversion for historical or nautical contexts where famn is relevant.
Verify converted lengths when integrating into precision-critical surveying or engineering projects.
Consider the historical nature of famn when interpreting modern measurements.

Limitations

The conversion differentiates between the U.S. survey foot and the international foot, which can create small precision differences.
Famn is largely a historical unit, so modern usage might require careful interpretation.
Small discrepancies may arise in applications demanding very high precision.

Frequently Asked Questions

What is a famn unit?: A famn is a traditional maritime length unit equivalent to one fathom or 6 feet, used mainly for measuring depths and nautical distances.
Why convert famn to foot (US survey)?: Converting famn to U.S. survey feet enables the integration of maritime measurements with land surveying and mapping data used in the United States.
Are there any precision issues in this conversion?: Yes, minor differences exist because the U.S. survey foot is defined slightly differently than the international foot, affecting high-precision applications.

Key Terminology

Famn: A maritime length unit equal to one fathom or 6 feet, used for depths and nautical distances.
Foot (US survey): A unit of length historically used in U.S. land surveying, defined exactly as 1200/3937 meters.

Quick Knowledge Check

What does the famn traditionally measure?

Lengths of land plots

Nautical depths and distances

Electrical resistance

What is the output unit in this conversion?

Foot (US survey)

Meter

Nautical mile

Why might this conversion cause slight discrepancies?

Differences in unit definitions

Conversion software errors

Approximate rounding

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