DDM to Decimal Degrees Converter
A free, browser-based converter. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter DDM value
Coordinate / angle
°′
Sign
Results
Enter a value and press Convert to see the results in DD, DMS and DDM.
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.
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.