This is a basic online convertor - converts between grid-references, eastings/northings and lat/long ( on GB and Irish Grids) - all convertions happen locally in your browser. Nothing is sent to any server.

Input

Output
OSGB eastings/northings
OSGB grid-reference
Irish Grid eastings/northings
Irish Grid grid-reference
WGS84 Lat/Long (decimal degrees)
 eastings/northings
grid-reference
WGS84 Lat/Long (decimal degrees)

include input line in output

No formal limit to the number of conversions, but the more the longer it may take.