V grade to yds In the United States, we use the Yosemite Decimal System (YDS). Oct 5, 2009 ยท The V grade system was developed in the U. French Grades. As shown above, this gives the French system 6 increments per number grade, while allowing 4 increments per number grade in the YDS. But unlike the Richter scale, the YDS isn't linear. , climbing grades are broken into two systems: the V-grade system used for bouldering, and the Yosemite Decimal System (YDS) used for grading routes. The YDS uses a climbing grade rating system of 5. The document has moved here. Find rock climbing routes, photos, and guides for every state, along with experiences and advice from fellow climbers. Conversion Chart: YSD vs. xtvupiprzisttcincbmvjiyjimrzfsoueblgayxxwfrxmcewcuvzqqtjdeljjrvy