Signed vs Cardinal Coordinate Notation Converter
Converts latitude and longitude between signed and N/S/E/W cardinal notation.
Enter coordinate
Results
Enter a value and press Convert to see the results in DD, DMS and DDM.
Before you rely on this: First-pass guide only. Verify safety-critical or regulated work against the relevant standards, your project requirements and a qualified professional.
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.
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Cite this tool
Zerdly. (2026). Signed vs Cardinal Coordinate Notation Converter. Retrieved from https://www.zerdly.com/tools/signed-vs-cardinal-notation-converter-33-8-33-8s/
Tip: Enter any known values to calculate the remaining results.
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