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Jan 18, 2024 · To convert latitude and longitude to decimal degrees, use this formula: Decimal degrees = Degrees + Minutes/60 + Seconds/3600. For example, the White House's coordinates are 38° 53' 52.6452'' N and 77° 2' 11.6160'' W. Therefore, its latitude in decimal degrees equals 38.897957 N, and its longitude equals 77.036560 W.
May 18, 2024 · A degree of longitude is widest at the equator with a distance of 69.172 miles (111.321 kilometers). The distance gradually shrinks to zero as they meet at the poles. At 40 degrees north or south, the distance between a degree of longitude is 53 miles (85 kilometers). The line at 40 degrees north runs through the middle of the United States and ...
Lines of longitude run from the top of the Earth to the bottom, and divide up the Earth a bit like the segments of an orange. The line going through London, called Greenwich Meridian, is the ...
Longitude measures distance east or west of the prime meridian. Lines of longitude, also called meridians, are imaginary lines that divide the Earth. They run north to south from pole to pole, but they measure the distance east or west. Longitude is measured in degrees, minutes, and seconds. Although latitude lines are always equally spaced ...
signed decimal degrees without compass direction, where negative indicates west/south (e.g. 40.7486, -73.9864): Lat 1: Long 1: Lat 2: Long 2: And you can see it on a map (thanks to Google Maps) Haversine formula: R = earth’s radius (mean radius = 6,371km) Δlat = lat 2 − lat 1. Δlong = long 2 − long 1.
Other articles where longitude is discussed: latitude and longitude: longitude, in cartography, a coordinate system used to determine and describe the position of any place on Earth’s surface. Latitude is a measurement of a location north or south of the Equator. In contrast, longitude is a measurement of location east or west of the…
Note that one degree of longitude is 111 km at the equator, but less for other latitudes. There's a simple approximative formula to find the length in km of 1° of longitude in function of latitude : 1° of longitude = 40000 km * cos (latitude) / 360 (and of course it gives 111 km for latitude = 90°).
