DDM to Decimal Degrees Converter
Converts coordinates from degrees decimal minutes to decimal degrees.
Enter DDM value
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 coordinate in degrees-decimal-minutes.
- Press Convert.
- Read the decimal-degrees value (and DMS).
How it works
Converts degrees-decimal-minutes (DDM) to decimal degrees (DD): DD = degrees + minutes ÷ 60.
Worked example
40° 26.767′. = 40 + 26.767/60 = 40.446117°.
Frequently asked questions
Why convert DDM to decimal degrees?
Most software, spreadsheets and APIs expect plain decimal degrees, while many GPS receivers display DDM.
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Explore more in Surveying, Coordinates, GIS & CAD.
Cite this tool
Zerdly. (2026). DDM to Decimal Degrees Converter. Retrieved from https://www.zerdly.com/tools/degrees-decimal-minutes-ddm-to-dd-converter/
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.