The climbing grades are used to determine the difficulty in sport climbing, mountaineering and bouldering. Depending on region, climbing method or kind of rock, there are many different ways of grading the climbing routes. Using climbing grades converter you can make a quick conversion between the climbing grade you know and any other encountered during exploration of new areas. Remember that valuation of climbing routes are inherently subjective and based on the opinion of few climbers - often the authors of the first ascents.