Find a UK Grid Reference for any location by simply right-clicking on our map... Grid Reference Converter from a Postcode to a Grid Reference or Lat Long
Grid references define locations on maps using Cartesian coordinates. Grid lines on maps define the coordinate system, and are numbered to provide a unique reference to features.
The Ordnance Survey National Grid reference system is a system of geographic grid references used in Great Britain, different from using latitude and longitude.
Get an OS grid ref from aerial photos and OS Maps
In these pages learn how to use the National Grid. The National Grid is a unique reference system rhat can be applied to all Ordnance Survey maps at all scales.
UK Street Map Coordinate Converter. Conversion Tips Enter coordinate(s) here and select the type of coordinate
Haberdashers' Aske's Federation schools website ... A very warm welcome to Haberdashers' Aske's Federation which came into being in September 2005.
The central reference for everything to do with the grid.
Learn how to give and use a four figure grid reference.
British Grid Reference System - Understanding the UK grid reference system used on Ordnance Survey maps of Great Britain.
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