Degrees Minutes Seconds Calculator

Convert decimal degrees to D° M' S".

DMS 40° 41' 20.4"
Degrees (°) 40
Minutes (') 41
Seconds (") 20.4

Formula: split the fractional degree into minutes and seconds

Step-by-step with your numbers:
1. Values used:
2. Decimal degrees = 40.689 °
3.
4. DMS = 40° 41' 20.4"
5. Degrees = 40°
6. Minutes = 41'
7. Seconds = 20.4"
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Convert decimal coordinates to degrees-minutes-seconds.

The math behind it

Degrees = whole part. Minutes = fractional degrees × 60 (whole). Seconds = leftover minutes × 60.

Worked example

40.689° → 40° 41' 20.4".

FAQ

Reverse?

decimal = degrees + minutes/60 + seconds/3600.