What is a millimeter?

A millimeter is a metric unit of length equal to one thousandth of a meter, commonly used for precise measurements in engineering and science.

What defines the US survey foot?

The US survey foot is a unit of length historically used in U.S. land surveying, defined exactly as 1200/3937 meters.

Why use this converter for land surveying?

It translates modern metric measurements into the US survey foot to align with historical land survey and cadastral data in the United States.

How to Convert from Millimeter [mm] to Foot (US survey) [ft]?

Learn how to convert length measurements from millimeters to foot (US survey) using our easy-to-follow unit converter guide, ideal for land surveying and engineering projects.

Millimeter [mm]

Foot (US survey) [ft]

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Millimeter [mm] to Foot (US survey) [ft] Conversion Table

Millimeter [mm]	Foot (US survey) [ft]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

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

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Millimeter [mm] to Foot (US survey) [ft] Conversion Table
Millimeter [mm]	Foot (US survey) [ft]

Explore More Length Units Converter

What Is This Tool?

This online converter allows you to translate length values from millimeters, a precise metric unit, to the foot defined by the US survey system. It is useful for applications requiring integration of metric data with historical imperial measurements commonly used in U.S. land surveying and mapping.

How to Use This Tool?

Enter the measurement value in millimeters
Select foot (US survey) as the target unit
Click the convert button to see the result
Use the converted value in your surveying or engineering calculations

Key Features

Converts length from millimeters to the US survey foot
Provides exact conversion based on the defined rate of 1 mm = 0.0032808333 ft (US survey)
Supports use in engineering, surveying, and cadastral mapping contexts
Browser-based tool for quick and easy unit conversions
Clear examples illustrating conversion results

Examples

10 millimeters converts to 0.032808333 foot (US survey)
100 millimeters converts to 0.32808333 foot (US survey)

Common Use Cases

Specifying property boundaries in land surveying projects in the United States
Integrating new metric measurements with legacy cadastral survey records
Aligning civil engineering or construction dimensions with historical US survey data
Reporting coordinates in geodetic datasets using the State Plane Coordinate System

Tips & Best Practices

Confirm you are using the US survey foot rather than the international foot to ensure consistency
Double-check converted measurements when dealing with legal property boundaries to avoid errors
Use this conversion when working with older land survey data requiring imperial units
Recognize that this unit conversion may not be standard outside the U.S. and verify software support

Limitations

The US survey foot slightly differs from the international foot, which can affect precision
Precision is essential to prevent cumulative errors impacting legal land boundaries
This conversion is predominantly used in U.S.-based projects and might lack support in some engineering applications

Frequently Asked Questions

What is a millimeter?: A millimeter is a metric unit of length equal to one thousandth of a meter, commonly used for precise measurements in engineering and science.
What defines the US survey foot?: The US survey foot is a unit of length historically used in U.S. land surveying, defined exactly as 1200/3937 meters.
Why use this converter for land surveying?: It translates modern metric measurements into the US survey foot to align with historical land survey and cadastral data in the United States.

Key Terminology

Millimeter (mm): A metric unit of length equal to one thousandth of a meter, used for precise small-scale measurements.
Foot (US survey) [ft]: A unit of length historically used in U.S. land surveying defined exactly as 1200 divided by 3937 meters.
Cadastral Survey: A survey that defines land property boundaries, often needing precise, consistent units for legal purposes.

Quick Knowledge Check

Which unit is equivalent to one thousandth of a meter?

Foot (US survey)

Millimeter

Centimeter

What is the US survey foot primarily used for?

Measuring indoor distances

Land surveying and mapping in the U.S.

Measuring ocean depths

Why must care be taken when converting to the US survey foot?

It has the same length as the international foot

It differs slightly from the international foot

It is only used outside the U.S.

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