# App using latitude and longitude, should decimal degrees be separate a selection from metric?

Geographic Information SystemsContents:

## Is latitude and longitude in decimal degrees?

**Decimal degrees (DD) is a notation for expressing latitude and longitude geographic coordinates as decimal fractions of a degree**.

## How do you write decimal degrees in latitude and longitude?

**Here are examples of formats that work:**

- Decimal degrees (DD): 41.40338, 2.17403.
- Degrees, minutes, and seconds (DMS): 41°24’12.2″N 2°10’26.5″E.
- Degrees and decimal minutes (DMM): 41 24.2028, 2 10.4418.

## How to convert decimal degrees to latitude and longitude coordinates in Excel?

Quote from video: *And when divide that by 3600 there's 3600 seconds and the degree. There's your decimal degrees once you have that formula you can use this autocomplete. Function by moving the mouse over.*

## Why are decimal degrees used in GIS?

For latitude-longitude coordinates, degrees can be expressed two ways: as degrees, minutes, seconds (DMS) or as decimal degrees (DD). In a GIS , decimal degrees are more efficient because **they make digital storage of coordinates easier and computations faster**.

## Is decimal degrees a meter?

A value in decimal degrees to an accuracy of 4 decimal places is accurate to 11.1 meters (+/- 5.55 m) at the equator. A value in decimal degrees to 5 decimal places is accurate to 1.11 meter at the equator.

Accuracy.

decimal places | degrees | distance |
---|---|---|

1 | 0.1 | 11.1 km |

2 | 0.01 | 1.11 km |

3 | 0.001 | 111 m |

4 | 0.0001 | 11.1 m |

## Can degrees be in decimal form?

**The size of any angle, or distance from a zero point to a point of interest, can be expressed using a decimal number**. For example, the angle 35.75° is 35 degrees plus 75 hundredths (three-fourths) of an additional degree from 0°. Measurement can be expressed very precisely using decimals.

## How do you convert decimal degrees to meters?

Quote from video:

## Is longitude and latitude in degrees?

Handy tip: when giving a co-ordinate, latitude (north or south) always precedes longitude (east or west). **Latitude and longitude are divided in degrees (°)**, minutes (‘) and seconds (“). There are 60 minutes in a degree and 60 seconds in a minute (similar to measuring time).

## Is latitude and longitude in degrees or radians?

Longitude is expressed as -180 degrees (-pi radians) to 180 degrees (pi radians) with 0 degrees centered at the prime meridian. Latitude is expressed as -90 degrees (-pi/2 radians) to 90 degrees (pi/2 radians) with respect to the equator.

## Is latitude and longitude nominal or ordinal?

Usually, numerical variables are ordinal, except when they are multi-dimensional or vectorial. **AccZIP, when transformed into longitude,latitude, is not ordinal**. However, fixing any one of the two coordinates turns the other coordinate into an ordinal variable. An example of a non-numerical ordinal variable is Inj.

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