Join Date: Nov 2002
Location: Spokane WA
Bikes: 2008 Lapierre X-Lite, 2006 Serotta Coeur d’Acier, 2005 Independent Fabrication Steel Delux, 2003 Surly 1x1, 2003 Surly Cross Check, 1986 Schwin Worldsport SS commuter, 1980's Mongoose Supergoose
You're in the right ballpark, but there's no way to tell for sure without a test ride, or some more specific measurements. I'm 6'2'' with 32'' inseam and for most mtn bike frames, I'm in between a L and an XL, depending on the brand of frame, and how they take the measurements.