Convert Postcode to NGR
Use this tool to convert a UK postcode to a OS National Grid Reference. Type in a postcode and click convert. The NGR will then be displayed. Northern Ireland postcodes will use the Irish grid reference system.
Input / Output
Version History
- 01/11/2009 : Version 1
- 11/02/2010 : Version 2 - correction made the the calculation of Irish grid references
Relevant Links
British national grid reference system
Previous Comments For This Page
Excellent tool, spot on
On 08/03/2010
Doesn't work! I entered BT39 9ET and got SJ 27471 90617 which is a GB grid reference not a Northern Ireland grid reference. The correct grid reference is J 273 904
By Ian on 11/02/2010
Hope not asking too much. will be even better if can do batch conversion, too.
On 08/02/2010
Thankyou!
By Ant on 20/12/2009
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