Compute-a-Course Calculator Ruler and Protractor

Master the Art of Navigation with Unmatched Precision
This navigation course calculator and protractor is your ultimate companion for seamless and accurate maritime navigation. Designed to simplify complex calculations, it combines a navigation wheel, distance scales, and a logarithmic speed scale into one compact, easy-to-use tool. Whether you're plotting a course, measuring distances, or calculating time and speed, this device ensures you have the critical data you need at your fingertips. Its transparent plastic construction provides durability and clarity, making it an indispensable asset for any sailor or navigator.

Engineered for Reliability and Ease of Use
Built to withstand the rigors of life at sea, this navigation tool is crafted from high-quality materials to ensure long-lasting performance. The integrated navigation wheel allows for quick and precise position fixing, while the built-in distance scales enable accurate measurements without the need for additional tools. The logarithmic speed scale, conveniently located on the back of the storage pouch, simplifies time, speed, and distance calculations, reducing the risk of errors during critical navigation tasks.

Compact, Lightweight, and Ready for Adventure
Weighing just 0.25 lb (113 g) and measuring 7-3/16" x 8-1/2" (183 x 216 mm), this navigation tool is designed to be portable and unobtrusive, fitting easily into your navigation kit or pocket. Its compact size doesn’t compromise functionality, offering everything you need for efficient navigation in a sleek, space-saving design. The included reusable zippered vinyl pouch ensures your tool stays protected and organized, whether you're on deck or storing it away.

Trusted by Mariners Worldwide
This navigation course calculator and protractor is a trusted tool among sailors, boaters, and navigators who demand precision and reliability. Its intuitive design makes it accessible to both beginners and seasoned professionals, ensuring that you can focus on the journey ahead without worrying about complex calculations. Backed by a lifetime warranty, this tool is built to last, providing you with years of dependable service on the water.

This navigation course calculator and protractor is designed for precision and durability, featuring a compact size of 7-3/16" x 8-1/2" (183 x 216 mm) and a lightweight build at just 0.25 lb (113 g). Made from transparent plastic, it ensures clarity and ease of use while withstanding the demands of maritime environments. The tool includes a navigation wheel, distance scales, and a logarithmic speed scale for comprehensive navigation tasks. It comes with a reusable zippered vinyl pouch for storage and protection, and is backed by a lifetime warranty for added peace of mind.

• Experience unparalleled convenience with an all-in-one navigation tool that simplifies course plotting, distance measurement, and time-speed-distance calculations.
• Its compact and lightweight design makes it easy to carry and store, while the durable transparent plastic construction ensures long-lasting performance.
• The integrated logarithmic scale and clear instructions eliminate guesswork, allowing for quick and accurate navigation decisions.
• Backed by a lifetime warranty, this tool offers reliability and peace of mind, making it an essential addition to any mariner’s toolkit.