A 6 figure grid reference puts you in an area bigger than Wembley Football pitch
An 8 figure grid reference puts you in an area less than a quarter of Wimbledon’s centre tennis court
What is the accuracy of a 6 figure grid reference?
A 6 figure grid reference will cover an area of 100m by 100m, i.e. 10,000 square meters, an area bigger than Wembley football pitch.
What is the accuracy of an 8 figure grid reference?
An 8 figure grid reference will cover an area of 10m by 10m i.e. 100 square meters, the equivalent of less that a quarter of Wimbledon’s centre tennis court.
How can I take an 8 figure grid reference on a 1:25000 map using the Shaven Raspberry Romer?
The fine lines that divide each 100m square in half represent an area of 50m. Depending on the location of your position, wither it is nearer the solid line, or the fine line the 8th figure can accurately be estimated. Please see the how to use FAQ below.
How do I convert an 8 figure grid reference to a 6 figure grid reference?
An 8 figure grid reference consists of 2 groups of 4 numbers, Easting and Northings (8 in total). All you need to do to convert an 8 figure reference to a 6 figure reference is to remove the last number from each group of 4 numbers. In other words remove the fourth and eighth digits. This will move you from an accuracy of 10 square meters to one of 100 square metres.