How close does a 6-digit grid get you?

A 6-digit grid reference provides a precise location on a map, typically used in military navigation and land surveying. Each digit in the grid reference corresponds to a specific area or segment of the map, enabling navigators to pinpoint a location within that area. Specifically, a 6-digit grid divides the map into sections that can accurately guide someone to a location within a 100-meter range.

In contrast, a 4-digit grid reference would identify a broader area, capable of locating points within 1,000 meters, while an 8-digit grid reference would offer even greater accuracy, narrowing down to about 10 meters. This precision is essential for military operations, ensuring soldiers can communicate positions accurately and efficiently. Therefore, the correct answer, indicating a 6-digit grid reference leads to an accuracy of approximately 100 meters, aligns with standard map reading practices used by the military.