爱尔兰网格参考系统

爱尔兰网格参考系统（）是用于爱尔兰岛（北爱尔兰和爱尔兰共和国）纸质制图的地理网格参考系统。

网格字母

爱尔兰领土被划分为25个方格，每个方格面积为100×100千米，用一个字母编号表记。方格编号为A至Z，省略I。其中有7个方格实际上没有覆盖爱尔兰的任何土地：A、E、K、P、U、Y和Z。

参考文献

外部链接 
 The Irish Grid - A Description of the Co-ordinate Reference System used in Ireland  PDF (358kB) on the Irish Grid from OSi.
 PDF (221KB) detailing GPS to Irish Grid conversions 
 A detailed (42-page) PDF file including history and map of the Irish grid and its links to Britain
 A two-page article for the American Society for Photogrammetry and Remote Sensing summarising the above.
 History and overview of the system, from OSI
 OSI online coordinate converter tool 
 Clickable webmap that shows Irish grid references 
 LatLong <> OSi Grid Ref  converts & presents in many formats, generates specific links to that location for several useful map web pages - 1840 - present. LatLong WSG84 <> GB, Ireland (inc NI) and Chanel Islands (30U) GR formats recognised. Distance measure for dog-leg routes & area calculations.

愛爾蘭地理
英国地形测量局地图
地理坐标系
土地测量系统
大地测量学