Convertisseur DMS en Degrés Décimaux Gratuit
Convertissez les coordonnées en degrés, minutes, secondes en degrés décimaux. Idéal pour le GPS et les systèmes géographiques.
°
'
"
Degrés décimaux
40.712800 °
Radians0.710572 rad
Formule
DMS to Decimal Degrees
Decimal Degrees = Degrees + Minutes/60 + Seconds/3600
Example
40° 42' 46.08" = 40 + 42/60 + 46.08/3600 = 40 + 0.7 + 0.0128 = 40.7128°
Exemple Résolu
Convert 40° 42' 46.08" to decimal degrees.
- 01Decimal = 40 + 42/60 + 46.08/3600
- 02Decimal = 40 + 0.7 + 0.0128
- 03Decimal = 40.7128°
Questions Fréquentes
How accurate are DMS coordinates?
One second of latitude equals about 30.9 meters. One second of longitude varies by latitude but is about 24 meters at 40° latitude. Two decimal places of seconds gives sub-meter accuracy.
How do I handle South or West coordinates?
South latitudes and West longitudes are negative in decimal degrees. Convert the DMS to positive decimal degrees first, then add a negative sign for S or W directions.
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