Scale: calculating distance, route length and area from a 1:25 000 map

What this note covers

1. What 1:25 000 actually means
2. Straight-line distance between two grid references
3. Measuring a curved route: roads, tracks and rivers
4. Calculating area from grid squares
5. Enlargement, reduction and comparing two different scales
6. Worked example: a combined scale, distance and area question
7. How this is examined and what separates a top response

7 sections · 10 key terms & formulas · 6 common mistakes