- Accurate Distance Measurement: This geographic coordinate scale is specifically designed for 1:50000 scale maps, featuring clear markings and beveled edges for effortless reading. It provides precise measurements essential for navigation planning, topographical analysis, and accurate map distance calculations. - High-Quality Material: Constructed from high-clear plastic, this tool offers exceptional transparency, allowing you to see map details clearly while measuring. The scales are permanently marked to ensure durability and reliability even with frequent use. Smooth edges facilitate the drawing of routes and measuring of distances. - Two Size Options: Choose between 14.5" (37cm) for portability or 18.5" (47cm) for working with larger maps and extended distances. Both sizes feature identical 1:50000 scale markings, enhancing versatility for various mapping needs. - Multipurpose Functionality: Ideal for academic projects, land surveying, and outdoor planning. This ruler helps convert map distances into real-world measurements, enabling hikers, sailors, and explorers to plot precise travel routes and coordinates efficiently. The transparent design allows visibility of underlying map features during use. - Use Scenarios: 1. Perfect for outdoor enthusiasts plotting hiking routes to ensure accurate navigation. 2. Essential for students or professionals conducting land surveys to measure distances accurately. 3. Useful for adventurers planning sailing trips, allowing for precise coordinate calculations.