Signed vs Cardinal Coordinate Notation Converter
A free, browser-based converter. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter coordinate
Latitude
Longitude
Results
Enter a value and press Convert to see the results in DD, DMS and DDM.
How to use this calculator
- Enter the latitude and longitude (any format).
- Pick the hemisphere with the N/S and E/W selectors, or use a negative sign.
- Press Convert to see both signed and cardinal notation.
How it works
Switches coordinates between signed decimals (−33.8°) and cardinal notation (33.8° S). South latitudes and west longitudes are negative; north and east are positive.
Worked example
Sydney. −33.8688, 151.2093 is the same as 33.8688° S, 151.2093° E.
Frequently asked questions
Is a south latitude positive or negative?
Negative. South of the equator and west of the prime meridian are both negative in signed notation.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.



