NECKLACE SIZE GUIDE FIND YOUR PERFECT NECKLACE LENGTH To make it easy for you to find the length you are looking for we have created a visual to give you an idea just how long the necklaces will be on you. Shop MS Jewels Necklace METHOD : ALREADY HAVE A NECKLACE? What you need: A measuring tape or a ruler and your favourite fitting necklace *16 = 16 inches, 1 inches = 2.5cm** All images shown are for illustration purpose only. Actual product may vary due slight variation in width and length during production.