Circular Mil To Square Mile Us Survey Calculator
This system allows fast and precise transformation from circular mils into square mile measurements. Circular mil values for wire measurements can change into square mile measurements for land areas through this calculator. Our tool works best for engineers and land surveyors plus any other professional who needs constant conversion between these separate unit types. Input your circular mil number to get the calculated square mile (US Survey) result instantly. Our tool helps you get exact results fast for both academic studies and practical needs. You can transform difficult calculations into easy work while getting exact results at once.
Convert Circular Mil To Square Mile Us Survey
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Definition of the Circular Mil
A circular mil represents the area of a circle with a diameter of one mil, where:
1
mil = 1/1000
inch (0.001
inch).- However, in the circular mil system, the area of a circle with a 1-mil diameter is defined as exactly
1
circular mil, bypassing the need for π in the calculation.
Circular Mil Historical
The circular mil was adopted to supplement the well-established standard as a unit of measure for the cross-sectional area of circuit conductors, especially wires and cables. It came into existence at the time of the formation of modern electrical systems in the 19th and 20th centuries when engineers needed a manner to measure cross-sectional areas of wires and their electrical performance.
Due to its simple concept, it was accepted on a large scale in the electrical industry most notably in North America where it forms part of the wire gauge numbering system.
Conversion to Other Units
The circular mil is a small unit of area, and its conversions include:
1
circular mil = 7.854 × 10⁻⁷
square inches1
circular mil ≈ 5.067 × 10⁻⁶
square centimeters1
circular mil ≈ 7.297 × 10⁻¹⁰
square feet1
square inch = 1,273,239
circular mils
Use in Measurement Today
The circular mil remains a critical unit in the electrical and engineering industries, particularly for:
- Electrical Conductors: Applied for definition of the cross-sectional area of wires and cables. Crucial in calculating the current capability of a given wire, its opposition to the stream of current and voltage drop.
- Wire Sizing Standards: Often encountered in the American Wire Gauge (AWG) system used for measuring wire areas in circular mils.
- High-Voltage Systems: Used mainly in construction of high voltage transmission cables.
- Safety and Regulation: Ensures that electrical installations will operate at the design load by avoiding such features like overheating or voltage drop.
Comparison to Land Measurement Units
The circular mil is not even remotely connected to any sort of geographical or plotted area as is the case with the area units like acre or square feet, or to agriculture or real estate. Its use is limited to areas comprising small regions associated with electrical and mechanical systems.
- Land Measurement Units: 1. Designed for large areas like fields acre may be used or when measuring building spaces may use square feet. 2.On the other hand, the circular mil measures small parts of the area that could support electrical conductors.
Notable Uses
- Electrical Engineering: If a wire has a cross-sectional area of
1000
circular mils it is called kcmil or thousand circular mils used in large cables. - Telecommunications: Formerly applied to compute the resistance and capacitance respective of the wires involved in communication systems.
- Industrial Applications: Is involved in designing of motors windings, transformers and any electric devices.
Square Mile (U.S. Survey): A Comprehensive Explanation
Definition of Square Mile (U.S. Survey)
The area measurement commonly referred as the square mile is applied in the United States and it refers to a square mile according to the U.S. survey. It denotes the area of a square whose sides are equal to one mile, U.S. survey miles, which is longer than the international miles. New units A square mile equals to 039393
square kilometer, 0.3861
square kilometer, 3097600
square yards or 27878400
square feet.
Currently the definition of the U.S. survey mile is adopted as 5,280
U.S. survey feet, where 1
survey foot = 1200/3937m
. This division can be credited to the methods of surveying used in United States in the past.
Conversions to Other Units
The square mile (U.S. survey) can be converted to other units as follows:
- Acres:
1
square mile = 640
acres - Square Yards:
1
square mile = 3,097,600
square yards - Square Feet:
1
square mile = 27,878,400
square feet - Square Kilometers:
1
square mile ≈ 2.589988
square kilometers - Square Meters:
1
square mile ≈ 2,589,988.11
square meters
Historical of Square Mile (U.S. Survey)
Today, a square mile is subdivided from the Roman-British systems, and although the meaning of a U.S. survey definition is much more precise, it is rooted in the General Land Office surveying methods in the eighteenth and nineteenth centuries. The unit was made constant for use in the westward expansion of the United States in the division of land and the layout of property boundaries.
Square miles were important for using the most popular land dividing method called the Public Land Survey System, which divided it into townships, sections, and parcels in order to sell and manage it more efficiently. The areas of each township were intended to be 36
square miles and subdivided into thirty-six 1
square mile tracts.
Use in Land Measurement Today
The square mile (U.S. survey) remains a key unit in the measurement of large land areas in the United States. It is used in the following contexts:
- Geographic Areas: Square miles are commonly employed in discussing the area of cities, counties, states, and some other territories.
- Land Division: The sections and townships used in the PLSS are described with reference to square miles in surveying and allocation of land.
- Real Estate and Agriculture: Square miles are used as a unit of measurement when it comes to large chunks of agricultural or unimproved land, mostly in rural or government land.
Notable Uses of the Acre in Agriculture and Real Estate
Since 1 square mile equals 640
acres, the acre becomes a smaller, more practical unit for individual parcels within a square mile.
- Agriculture: Consumers and producers estimate planting areas and output in terms of acres, while square miles include a broader planning unit at the regional level.
- Real Estate: It assists in estimating and planning other small or big-scale developments on large pieces of land, such as subdivisions of land or business use.