1️⃣ Start out with clean, naked nails
2️⃣ Stick the tape over your nails, push it in the edges for a snug fit
3️⃣ Make sure the tape is following your nail's natural curves and it's not bunching up
4️⃣ Measure the widest part of the nails and mark it with a thinner pen/marker in a line
5️⃣ Repeat for all 10 nails and write down the length
‼️ When ordering, in the left/right tip size boxes write them as (example): 13.5, 10.2, 8.2, 9.6, 6.7mm - depending on the markings on your ruler and how detailed it is!
⚠️ This method isn't the most accurate, as it doesn't account for the curvature of nail beds. Some tips may not fit you right or cover your nails fully.