Angle Conversion Formula:
From: | To: |
The Degrees Minutes Seconds (DMS) to Decimal Degrees conversion is a mathematical process that transforms angular measurements from the traditional degrees-minutes-seconds format into a decimal format. This conversion is essential in various fields including geography, astronomy, and navigation.
The calculator uses the conversion formula:
Where:
Explanation: The formula converts minutes to degrees by dividing by 60, and seconds to degrees by dividing by 3600 (60×60), then sums all components to get the decimal degree value.
Details: Decimal degrees are easier to use in mathematical calculations, digital mapping systems, and GPS technology. Many modern applications and programming libraries require angles in decimal format rather than DMS format.
Tips: Enter degrees as a whole number, minutes as a number between 0-59, and seconds as a number between 0-59.9. All values must be non-negative.
Q1: Why convert DMS to decimal degrees?
A: Decimal degrees are easier to use in calculations, digital mapping, and GPS systems. Many computer programs and APIs require angles in decimal format.
Q2: How precise is this conversion?
A: The conversion is mathematically exact. The precision of the result depends on the precision of your input values.
Q3: Can I convert negative angles (south or west)?
A: For southern latitudes or western longitudes, enter the degrees as negative values while keeping minutes and seconds positive.
Q4: What's the maximum value for degrees?
A: For latitude: -90 to 90 degrees; for longitude: -180 to 180 degrees. The calculator doesn't enforce these limits as it depends on the specific application.
Q5: How do I convert decimal degrees back to DMS?
A: The integer part is degrees, multiply the decimal part by 60 - the integer part is minutes, multiply the remaining decimal by 60 to get seconds.