Decimal Degrees

Decimal degrees (DD) express latitude and longitude geographic coordinates as decimal fractions and are used in many geographic information systems (GIS), web mapping applications such as Google Maps, and GPS devices. Decimal degrees are an alternative to using degrees, minutes, and seconds (DMS). As with latitude and longitude, the values are bounded by ±90° and ±180° respectively.

Positive latitudes are north of the equator, negative latitudes are south of the equator. Positive longitudes are east of Prime Meridian, negative longitudes are west of the Prime Meridian. Latitude and longitude are usually expressed in that sequence, latitude before longitude.

Read more about Decimal DegreesAccuracy, Example

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Decimal Degrees - Example
... The decimal degree representation of the location of the United States Capitol is 38.889722°, -77.008889° In most systems, such as Google Maps, the degree symbol is ... A DMS value is converted to decimal degrees using the formula The decimal degree representation for the location of the United States Capitol of 38° 53′ 23″ N, 77° 00′ 32″ W is 38.889 ...

Famous quotes containing the words degrees and/or decimal:

    By degrees we may come to know the primitive sense of the permanent objects of nature, so that the world shall be to us an open book, and every form significant of its hidden life and final cause.
    Ralph Waldo Emerson (1803–1882)

    It makes little sense to spend a month teaching decimal fractions to fourth-grade pupils when they can be taught in a week, and better understood and retained, by sixth-grade students. Child-centeredness does not mean lack of rigor or standards; it does mean finding the best match between curricula and children’s developing interests and abilities.
    David Elkind (20th century)