Turn radius is the size of the natural turn a ski wants to make when you tip it on edge, measured in meters. It comes from the ski's sidecut—the hourglass shape where the tip and tail are wider than the waist. A shorter radius means quicker, tighter turns, while a longer radius means bigger, more sweeping turns.
For most resort skiers, a radius between 14 and 17 meters hits a versatile sweet spot—comfortable for medium turns on groomers and still manageable in bumps or trees. If you love carving quick, snappy turns, look under 14m. Prefer high-speed cruising or wide-open bowls? A radius of 17–22m or more will feel more stable at speed.
One common mistake: assuming a shorter radius is always better for beginners. A slightly longer radius can actually feel more predictable and less twitchy while you're building confidence. Also, keep in mind that rocker profiles effectively shorten the turn radius in soft snow, so a ski that reads 20m on paper might feel quicker in powder than you'd expect.