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Practical guides on GPS coordinates, geocoding and mapping — how they work, and how to use them with the tools on this site.

A globe showing latitude and longitude lines
GuideFeatured

What Are GPS Coordinates? Latitude and Longitude Explained

Every point on Earth has a unique address made of two numbers. How latitude and longitude actually work, why the equator and prime meridian are the zero lines, and how precise a coordinate needs to be.

Published July 10, 20262 min read
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Tips

How to Find the GPS Coordinates of an Address

Turning a street address into latitude and longitude is called geocoding. What happens behind the scenes, why results can vary slightly between services, and how to get a precise pin rather than just a city centre.

Published July 16, 20262 min read
A navigation compass resting on a printed map
Deep Dive

DMS vs Decimal Degrees vs DDM: Which Coordinate Format Should You Use?

The same GPS coordinate can look like 51.477850, 51°28'40.3"N, or 51°28.671'N depending on who's reading it. Here's what each format is for and how to tell them apart at a glance.

Published July 12, 20262 min read