Points to Twelfth Circles calculator

Points

32-point compass rose.

Source: Wikipedia

Twelfth Circles

A circle divided into 30° sectors.

Source: Wikipedia

Points to Twelfth Circles Conversion Table

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• Twelfth Circle (30°)

  A circular sector or circle sector (symbol: ⌔), is the portion of a disk enclosed by two radii and an arc, where the smaller area is known as the minor sector and the larger being the major sector. In the diagram, θ is the central angle in radians, r the radius of the circle, and L is the arc length of the minor sector. A twelfth circle sector is equal to 30°.

• Point (11.25°)

  The points of the compass mark the divisions on a compass, which is primarily divided into four points: north, south, east, and west. These cardinal directions are further subdivided by the addition of the four intercardinal (or ordinal) directions—northeast (NE), southeast (SE), southwest (SW), and northwest (NW)—to indicate the eight principal winds. In meteorological usage, further intermediate points between cardinal and ordinal points, such as north-northeast (NNE) are added to give the 16 points of a compass rose. The European nautical tradition retained the term "one point" to describe 1⁄32 of a circle in such phrases as "two points to starboard". By the middle of the eighteenth century, the 32-point system was extended with half- and quarter-points to allow 128 directions to be differentiated.