How to Measure Your Wrist? 1. Using a flexible tape measure close to the skin 2. Add approximately 1/2 inch (12mm) to this length to determine your bracelet length 3. Choose your bracelet size closest to this total length from the drop down menu Note: Approximately 1/2 inch (12mm) larger than the measure wrist size allows for wrist movement, depends on how tight or loose a fit you prefer.