DDDMM.MMMM format

DDDMM.MMMM format

eg. 07717.3644 E is the DDDMM.MMMM format

077 --> degrees
17 --> minutes
.3644 --> minutes equals to sec/60

decimal = degrees + minutes/60

decimal = 77 + (17.3644 / 60)

decimal = 77.28941

纬度 Latitude
N 29.877566 (北纬North 为正, 南纬South 为负)
North 29度52.65396分
北纬 29度52分39秒

经度 Longitude
E 121.638575 (东经East 为正，西经West 为负)
East 121度38.3145分
东经 121度38分19秒

https://www.eddmaps.org/tools/latlongconv.cfm

https://www.osgeo.cn/app/s1884

https://www.directionsmag.com/site/latlong-converter/

Latitude / Longitude Conversion

This page can be used to convert latitude and longitude coordinates.

Deg:  Min:  Sec:  

Degrees:  Minutes.M:  

Decimal Degrees:  

Results:
DMS 105 30 0
DM.m 105 30
D.d 105.5

The formulas are as follows:

Degrees Minutes Seconds to Degrees Minutes.m
Degrees = Degrees
Minutes.m = Minutes + (Seconds / 60)

Degrees Minutes.m to Decimal Degrees
.d = M.m / 60
Decimal Degrees = Degrees + .d

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