SW 100km National Grid Square

SW square spans the South West English Region.

The SW national grid square measures 100 km by 100 km and has an area of 10,000 kilometres squared.

The technical term for a 100 km map square is a Myriad.

When this 100km square is divided into a grid 10 by 10 it gives the next size of grid square. This unit is called a Hectad and measures 10km square. 100 hectads fit in a 100km square.

A map of the SW 100km map square

Out of the hectads generated from square SW, 32 are land and 68 are sea. Sea squares are disregarded on this site as they contain no land features.

SeaSeaSeaSeaSeaSeaSeaSeaSeaSea
SeaSeaSeaSeaSeaSeaSeaSeaSeaSW98
SeaSeaSeaSeaSeaSeaSeaSeaSW87SW97
SeaSeaSeaSeaSeaSeaSeaSW76SW86SW96
SeaSeaSeaSeaSeaSeaSW65SW75SW85SW95
SeaSeaSeaSeaSW44SW54SW64SW74SW84SW94
SeaSeaSeaSW33SW43SW53SW63SW73SW83SW93
SeaSeaSeaSW32SW42SW52SW62SW72SW82Sea
SeaSeaSeaSeaSeaSeaSW61SW71SW81Sea
SeaSeaSeaSeaSeaSeaSeaSeaSeaSea
CornerLatitudeLongitudeEastingNorthing
South West Corner49.825062-6.2520801000000
South East Corner49.825062-4.7844802000000
North West Corner50.765026-6.252080100000100000
North East Corner50.765026-4.784480200000100000

10 KM Squares within the SW 100 KM Square

SW32 SW33 SW42 SW43 SW44 SW52 SW53 SW54 SW61 SW62
SW63 SW64 SW65 SW71 SW72 SW73 SW74 SW75 SW76 SW81
SW82 SW83 SW84 SW85 SW86 SW87 SW93 SW94 SW95 SW96
SW97 SW98