Tutorials to help you understand the various projection and coordinate systems. Also find conversion tools to convert datasets from one system to another.

Latitude and Longitude
Find the latitude and longitude of places around the world and learn more about this most popular coordinate system.

Map Projections
All flat maps have to use a projection to display the spherical earth. Learn all about map projections and how they’re used.

NGS FAQ
FAQs for questions about the National Geodetic Survey.

NGS Software
NOAA’s NGS has several datum and projection software applications available for free downloading.

Picture Gallery of Map Projections
Clickable web site that lets you see how the different map projections look based on a normal, transverse, oblique or normal-wide view.

State Plane Coordinate System
FIPs, Zones and the Fifty States, learn all about the SPCS.

TatukGIS Datum and Projection Calculator
Free download from TatukGIS. This application reprojects the coordinates of a point from one system to another.

UTM Grid Zones
Map of the world overlayed with UTM grids. Find out the UTM grid your area is located in. Tutorials to help you understand the various projection and coordinate systems. Also find conversion tools to convert datasets from one system to another.

Latitude and Longitude
Find the latitude and longitude of places around the world and learn more about this most popular coordinate system.

Map Projections
All flat maps have to use a projection to display the spherical earth. Learn all about map projections and how they’re used.

NGS FAQ
FAQs for questions about the National Geodetic Survey.

NGS Software
NOAA’s NGS has several datum and projection software applications available for free downloading.

Picture Gallery of Map Projections
Clickable web site that lets you see how the different map projections look based on a normal, transverse, oblique or normal-wide view.

State Plane Coordinate System
FIPs, Zones and the Fifty States, learn all about the SPCS.

TatukGIS Datum and Projection Calculator
Free download from TatukGIS. This application reprojects the coordinates of a point from one system to another.

UTM Grid Zones
Map of the world overlayed with UTM grids. Find out the UTM grid your area is located in.