Understanding mapping

Computer mapping

Want to get to grips with GIS? Try The GIS Files™, our essential guide to computerised mapping. Many businesses and organisations are unlocking the power of digital data. Visit maps in action to find out how.

• The GIS Files
• Maps in action

Map symbols and abbreviations

What do the words used on maps mean? Our list of abbreviations reveals all! You can also master mapping symbols with our guides to OS Landranger^© Maps and Explorer^™ legends.

• List of abbreviations
• OS Landranger and OS Explorer Map symbols

Paper mapping

You can get a lot more from your leisure time if you choose the right map. We can also help you to brush up on your map-reading skills or learn more about the National Grid, our unique reference system.

• Choose the right map
• Map reading
• National Grid

Technical information

As Britain's national mapping agency, we can also supply more detailed information about surveying and mapping, magnetic north and a glossary of terms.

• Surveying and mapping
• Glossary of terms
• Magnetic north