White Marlin Ruler


The original White Marlin ruler by Release Ruler is the first of its kind to help you measure your catch.

  • DIMENSIONS – the marlin ruler is 2″ wide x 90″ long and can record marlin up to 150 lbs.
  • ACCURATE – Made with a flexible PVC vinyl material which is dimensionally stable.
  • FISH SCALE – A bonus feature is the patented weight estimation based on the growth scale for white marlin. No other ruler offers this innovation.
  • VIVID COLORS – our award winning graphic design offers fisherman the quickest ruler measurement, highest fin to ruler contrast and the best option for catch, photo and release.
  • Made in the USA
  • Easy to use
  • Measure tournament minimums
  • Never guess weight again
  • Non Corrosive
  • Endorsed by The Billfish Foundation
  • Measures 2 x 90-inches
  • 100% Satisfaction Guaranteed


The White Marlin ruler is a fish ruler which allows you to measure fish on the deck, on land and in the water. The versatile ruler is often used to measure tournament fish, tagged fish and trophy catches for taxidermy. The White Marlin ruler not only measures length but also provides the estimated average weight in 10 lb. increments. Simply place the ruler over the lower jaw region of your marlin and read the tail-fork length estimate. The rulers heavy duty, water resistant material is easy to read and only takes seconds to use. The ruler also makes a great water resistant boat ruler for most any fish. Eliminate the need to harvest a marlin for the sake of weight! Use a release ruler. 100% Satisfaction Guaranteed. For comments or questions send an e-mail to info@releaseruler.com

Additional information


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