How to Choose the Right Necklace Length:
Option 1: Measure a Necklace You Already Own:
Measure the length of a necklace that fits the way you want it to using a ruler or measuring tape.
Option 2: Measure Your Neck:
Use a measuring tape to measure around your neck, where you want the necklace to rest. Add 2–4 inches (5–10 cm) to that measurement, depending on how long or short you want the necklace.