circular mil or square inch The SI derived unit for area is the square meter. This on the web one-way conversion tool converts surface area units from ∅ 1-inch circles ( ∅ 1 in ) into square inches ( in 2 , sq in ) instantly online. The first one is from Wire Diameter.The second one is from Wire Section Area. A circular mil is the equivalent area of a circle whose diameter is 0.001 (10-3) inch, or approximately 0.7854 millionths of a square inch. d = diameter of cable or wire (inches) Example - Calculating Mil. Area of pipe = [ 3.14 *( Diameter)^2 ] / 4 meter^2 ... = 0.00051 meter^2. There are 6.4516 square centimeters in a square inch (2.54 * 2.54). Feet=28.333 Radius = 170 inches or 14.167 feet. Diferent area surface units conversion from circle one foot diameter to square inches. 1 circle 1-inch diameter ( ∅ 1 in ) = 0.79 square inches ( in 2 , sq in ). *Square Inches is also known as (a.k.a) square inch, square in, SqIn, Sq.In., sq.in., in2 & in 2 **This Calculator also calculates square feet, total height in feet, total height in inches, total length in feet and total length in inches. Convert 1 ∅ 1ft into square inch and ∅ one foot circles to sq in, in2. Between ∅ 1ft and sq in, in2 measurements conversion chart page. Area of the bottom in square inch = 3.1416*170*170 = 90,746 sq in Area of the bottom in ft2 (square feet) = 3.1416 * Homework Equations The Attempt at a Solution Inches equals 28 times 12 plus 4 = 340 Reverse conversion? J. 0 0. Use this page to learn how to convert between circular mils and square inches. Unit Descriptions; 1 Square Inch: 1 in x 1 in: 1 Circular Inch: In SI units 1 circular inch is approximately 5.067075 x 10-4 square meters. Abbreviated kcmil or MCM. 1 kcmil ≈ 0.000 000 506 707 479 097 m 3.: 1 Square Inch: To convert square inches to square meters multiply the square inches by 0.00064516 There are 2.54 centimeters in an inch. This online diameter to circumference converter helps you to find the perimeter value from the given diameter at desired units. Anonymous. 6 years ago. Unit Descriptions; 1 Thousand Circular Mil: A thousand times the area of a circle with a diameter of one mil. How many square inches ( in 2 , sq in ) are in 1 circle 1-inch diameter ( 1 ∅ 1 in )? Convert the diameter to inches or to feet. This page features online conversion from Diameter in inches to Section area in square inches.These units belong to different measurement systems. 1 square meter is equal to 1973525241.39 circular mil, or 1550.0031000062 square inch. Inches = 28 feet*12 inches/foot + 4 inches = 340 inches. Directions: Use the calculator above to calculate your square inches. The diameter of a circle is the straight line passing through the center of the circle. Circular Inches to Square Inches (or just enter a value in the "to" field) Please share if you found this tool useful: Tweet. Note that rounding errors may occur, so always check the results. The other way around, how many square inches - sq in, in2 are in one circle one foot diameter - … Area of pipe have a square unit. If you need to convert Diameter in inches to another compatible unit, please pick the one you need on the page below. 5 years ago. Mils of circular wire or cable can be calculated as: mils = 1000 d (1) where. 2 0. 1 Thousand circular mils ≈ 5.067 074 790 97 x 10-7 cubic meters (SI base unit). Diameter of pipe is 0.0254 meter. 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