Coordinate Converter: DMS and Decimal Degrees
Paste a latitude and longitude in the format you have, and read it in the others.
Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.
The formula
decimal = degrees + minutes ÷ 60 + seconds ÷ 3,600
South and west are negative in decimal form.
What to watch out for
GPS units and marine charts often use degrees and decimal minutes, while web maps use decimal degrees. All three describe the same point. A coordinate typed in the wrong format can land kilometres away.
Frequently Asked Questions
How do I convert decimal degrees to degrees, minutes and seconds?
The whole number is the degrees. Multiply what is left by 60 for minutes, and what is left of that by 60 for seconds. 51.5074 becomes 51°30′26.64″ N.
How do I convert DMS to decimal?
Add degrees, minutes ÷ 60 and seconds ÷ 3,600. 33°51′54″ S is -33.8650: south, so negative.
How much distance is one second of latitude?
About 31 m. One minute is one nautical mile, near enough.