Nose Ring Size Guide: 6mm, 7mm, 8mm & How to Measure
- Nose ring size refers to inner diameter — the distance across the inside of the hoop, measured in millimetres
- 8mm is the most popular and universally flattering nostril hoop size for a standard placement
- 7mm gives a closer, snugger fit — ideal if you want minimal gap between the ring and your nostril
- 6mm only works for very low piercings or thinner nostrils — too tight for most people
- Gauge (18G, 20G, 22G) measures wire thickness, not ring size — these are two separate measurements
- Your piercing placement is the single biggest factor in choosing the right diameter
How nose rings are measured
Two numbers define every nose ring: diameter and gauge. They measure completely different things, and confusing them is the most common mistake people make when ordering online.
Diameter (inner diameter) is the distance across the inside of the hoop from one inner edge to the opposite inner edge. When a nose ring says “8mm”, that means 8mm across the inside opening. This controls how the ring sits against your nostril — how snug or how loose it looks.
Gauge is the thickness of the wire itself — the part that passes through your piercing hole. Common gauges for nostril piercings are 22G (0.6mm), 20G (0.8mm) and 18G (1.0mm). A thinner gauge gives a more delicate, minimal look. A thicker gauge feels more substantial.
6mm vs 7mm vs 8mm
The three most common nostril hoop diameters are 6mm, 7mm and 8mm. Each creates a noticeably different look on the same nose. Here is how they compare:
| Diameter | Fit | Best for | Look |
|---|---|---|---|
| 6mm | Very snug | Low piercings, thin nostrils | Tight hug, barely visible gap |
| 7mm | Close fit | Standard placement, slimmer noses | Subtle, sits neatly against the nose |
| 8mm MOST POPULAR | Comfortable | Standard placement, most nose shapes | Classic hoop look with a small, elegant gap |
| 9–10mm | Relaxed | Higher placements, thicker nostrils, statement look | More visible, slightly dangly |
8mm is the industry standard for a reason. It fits comfortably on the majority of nostrils with a standard piercing placement, leaves a small gap between the ring and the skin, and does not look too tight or too loose. If you are ordering your first nose hoop and have no idea what size you are — start with 8mm.
7mm is the “Goldilocks” size for people who want their hoop to sit closer to the nose. It creates a subtle, snug look that many people prefer once their piercing is fully healed. If your piercing is in a standard or slightly lower position and you have a slimmer nose, 7mm will likely be your perfect fit.
6mm is genuinely small. It works only for piercings that are very close to the bottom edge of the nostril, or for people with noticeably thin nostrils. If you force a 6mm onto a standard-placement piercing, the ring will pinch, put pressure on the channel, and likely cause an irritation bump. Do not guess with 6mm — measure first.
How to measure at home
You do not need callipers or a trip to the piercer. A small ruler with millimetre markings is all you need. Here is the method that works for first-time hoop buyers:
Gauge guide: 18G vs 20G vs 22G
Gauge and diameter are independent. You can have an 8mm hoop in 20G or in 22G — the diameter is identical, but the wire thickness is different. Here is what each gauge looks and feels like:
| Gauge | Wire thickness | Look | Best for |
|---|---|---|---|
| 22G (0.6mm) | Thinnest | Ultra-delicate, fine jewellery feel | Healed piercings, dainty aesthetic, Indian/South Asian style piercings |
| 20G (0.8mm) STANDARD | Standard | Classic, balanced — not too thin, not too thick | Most nostril piercings, everyday wear, first hoop after healing |
| 18G (1.0mm) | Thickest | Bold, substantial, visible wire | Septum piercings, thicker cartilage, statement look |
20G is the UK standard for nostril piercings. The vast majority of piercers in the UK use 20G or 18G needles for nostrils. If you were pierced at a professional studio and do not know your gauge, 20G is the safest starting point.
22G is thinner than standard and is common for piercings done in India, the Middle East, and parts of Asia. It creates a very fine, barely-there wire that is beautiful in a small seamless hoop. You can wear a 22G hoop in a 20G piercing — it will fit, but it may feel slightly loose in the channel over time.
18G is thicker and more commonly used in septum piercings. Some nostril piercings are done at 18G, especially if you prefer a chunkier look. You cannot put an 18G hoop into a 20G piercing without stretching — do not force it.
Piercing placement & which size fits
Your piercing position on the nostril is the single biggest factor in choosing the correct diameter. A low piercing near the bottom edge needs a smaller ring. A higher piercing further up the nostril needs a larger ring to reach around the curve.
Low placement (near the nostril edge)
The piercing hole is close to the bottom of your nostril, perhaps only 5–6mm from the edge. A 6mm or 7mm hoop will sit snugly. An 8mm ring may look slightly oversized with a visible gap.
Standard placement (mid-nostril)
The most common position. The piercing sits roughly 7–8mm from the nostril edge. A 7mm or 8mm hoop is ideal. This is where 8mm earns its title as the universal favourite.
High placement (upper nostril area)
Less common, but some piercers position the hole higher for aesthetic reasons. You may need a 9mm or 10mm ring. Anything smaller will pinch and cause irritation.
Common sizing mistakes
Ordering too large. The most frequent complaint with nose hoops is buying a ring that hangs too far from the nose. An oversized hoop looks floppy and feels insecure. When in doubt, go smaller.
Confusing gauge and diameter. A “20G 8mm” nose ring is a 0.8mm thick wire bent into an 8mm circle. These are not interchangeable measurements. Make sure you know both numbers before ordering.
Measuring the outside of an old ring. If you measure from outer edge to outer edge, you will add 1–2mm to the true inner diameter. The result: you order a ring that is too big.
Switching to a hoop too early. If your piercing is not fully healed (typically 3–6 months for nostrils), the movement of a hoop will irritate the channel. Heal completely with a stud first, then switch to a hoop.
Choosing cheap metals. Gold-plated, gold-filled and “surgical steel” rings can contain nickel, which is the number one cause of piercing irritation and allergic reactions. For a ring you plan to wear every day, 14K solid gold or implant-grade titanium is worth the investment.
