Ketchikan is in Alaska, United States, at latitude 55.3418 and longitude -131.64757. It lies in the northern and western hemispheres, near sea level.
55.3418, -131.64757
55.3418° N 131.6476° W
55°20'30.5'' N 131°38'51.3'' W
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| System | Lat. Latitude | Long. Longitude |
|---|---|---|
| Decimal standard | 55.3418 | -131.64757 |
| Decimal Degrees (DD) | 55.3418° N | 131.6476° W |
| Degrees, Minutes and Seconds (DMS) | 55°20'30.5'' N | 131°38'51.3'' W |
| Degrees and Decimal Minutes (DDM) | 55°20.508' N | 131°38.854' W |
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Ketchikan lies on the same parallel as cities like Moscow (Russia) and near the same meridian as cities like Daajing Giids (Canada).
Map with cities near the latitude or longitude of Ketchikan
The geographic coordinate system enables any place in the world to be located using its latitude and longitude. The latitude is the position relative to the equator, specifying the north-south position. The longitude specifies the east-west position measured from a reference meridian (usually the Greenwich Prime Meridian). The latitude and longitude of Ketchikan have been calculated based on the geodetic datum WGS84.
Besides latitude and longitude, there are other systems to express a location: UTM coordinates divide the world into 60 zones and express positions in meters; the Plus Code is an open short code used by Google Maps; and the geohash is a compact format widely used in software applications.
All formats correspond to the same reference point at the center of Ketchikan: opened on a map, it may land on a specific street or spot downtown.