Degrees, Minutes, Seconds to Degrees converter
How to convert DMS to Decimal degrees
Convert degrees, minutes, seconds to decimal degrees.
d = D + M/60 + S/3600
Add the degrees, then minutes divided by 60, then seconds divided by 3600:
40° 30' 0" = 40 + 30/60 + 0/3600 = 40.5°
Example
Convert 40° 30' 0" to degrees:
40 + 30/60 = 40.5°