A complete Turkish ring size guide for 2026 — measure your finger or an existing ring, calculate the nearest Turkey kuyumcu size, compare EU, US and UK conversions, and shop with clearer Turkish jewellery terminology.
Print at 100% or “actual size”. Measure the 50 mm calibration line with a physical ruler before using any circle. Place a comfortable ring over the closest circle and align the ring's inside edge, not the outside metal edge. Each circle shows the common Turkish jeweller number and the equivalent EU circumference number.
52 mm − 40 = Turkey size 12. This is the common local jeweller convention.
Turkey size 18 + 40 = EU size 58, or about 58 mm inside circumference.
A 16.55 mm inside diameter gives approximately 52 mm circumference.
A 56 mm circumference gives an inner diameter of about 17.83 mm.
Turkey 12 is about US 6, but international conversions can vary by chart and brand.
Turkey 12 is roughly UK M. Confirm before buying a valuable or non-resizable ring.
The calculator rounds to the nearest whole millimetre circumference and then applies the common Turkish jeweller scale. A retailer may stock only selected sizes or use EU labels, so verify the product's own chart before ordering.
| 🇹🇷 Turkey / Kuyumcu | 🇪🇺 EU / Circumference (mm) | 📏 Inner Diameter (mm) | ⭕ Circumference (cm) | 🇺🇸 US Approx. | 🇬🇧 UK Approx. | Common Label | Range |
|---|
Measure the finger on which the ring will actually be worn. The same named finger can differ between the left and right hand. In Türkiye, a wedding band or alyans may be worn according to personal, cultural or relationship preference, so do not copy a size from the opposite hand without checking.
Cold weather can temporarily reduce finger fullness, while summer heat, exercise, travel and fluid retention can make fingers swell. Measure indoors when your hands feel normal rather than immediately after coming from cold outdoor conditions, a hot shower or strenuous activity.
Cut a strip about 5 mm wide. Wrap it around the base of the finger so it touches the skin without compressing it. Avoid elastic thread, thick cord and soft fabric tape because stretching or twisting can change the result.
A correctly sized ring must pass over the widest part of the finger and remain secure at the base. If the knuckle is much larger than the finger base, compare both measurements and ask a jeweller to balance removability with a stable fit.
Mark the exact overlap point, place the strip flat and measure from the starting edge to the mark. A result of 54 mm corresponds approximately to Turkey size 14. A result of 5.4 cm must first be multiplied by 10 to become 54 mm.
Repeat the process at least three times using the same tension. If the measurements vary, repeat later. For a high-value pırlanta ring, custom design, wide alyans or tamtur setting, professional sizing is safer than relying on one home reading.
Select a comfortable, round ring worn on the exact finger you are sizing. A ring from another finger, another hand or another person is not a reliable template.
Place the ring flat and measure straight across the widest inside point through the centre. Do not include the thickness of the metal. Digital callipers are usually more precise than a thick-edged ruler.
Turn it about 90 degrees and repeat. Similar readings suggest a round ring. Different readings may mean the ring is oval, worn or damaged, in which case a jeweller should inspect it before you use it as a sizing reference.
An inner diameter near 17.51 mm gives a circumference close to 55 mm. That corresponds approximately to Turkey size 15 and EU size 55. Send both numbers to the seller to avoid a system mismatch.
Many jewellery businesses in Türkiye display ring sizes as 8, 10, 12, 14, 16, 18, 20 and similar numbers. This local scale is often called kuyumcu ölçüsü. It can be understood as the ring's inside circumference in millimetres minus 40. Under this convention, 52 mm becomes size 12, 55 mm becomes size 15 and 60 mm becomes size 20.
The European system keeps the full circumference number. That means Turkey size 12 and EU size 52 may refer to the same physical opening. International jewellery brands, marketplaces and imported products sold in Turkey may use EU, US or proprietary brand labels. The safest order message is therefore specific: “Turkey size 12 / EU 52 / approximately 16.55 mm inside diameter.”
Retail charts may round diameter values differently. One shop may show 16.5 mm while another shows 16.6 mm for the same 52 mm circumference. Small rounding differences are normal, but the finished band's width, inner profile and manufacturing tolerance can still change how it feels.
These Turkish terms can help when speaking with a jeweller, reading a local product page or confirming an online order:
| Turkish Term | English Meaning | How It Is Used |
|---|---|---|
| Yüzük ölçüsü | Ring size | The general phrase used for the size of a ring. |
| Parmak ölçüsü | Finger measurement | A broader phrase for measuring the intended finger. |
| Parmak çevresi | Finger circumference | The wrapped measurement in millimetres. |
| İç çap | Inner diameter | The empty opening measured across the centre of an existing ring. |
| Kuyumcu ölçüsü | Jeweller size | The common local number, such as 12 for a 52 mm circumference. |
| Alyans | Wedding band | A plain or decorative marriage band, often wider than a slim fashion ring. |
| Tektaş | Solitaire ring | A ring featuring one main stone, often used for engagement jewellery. |
| Tamtur | Full-eternity ring | Stones continue around the entire band; resizing may be restricted. |
| Ayar | Gold fineness / karat | Describes metal purity, not ring size; examples include 14 ayar and 22 ayar. |
| Ölçü büyütme / küçültme | Resize up / down | Terms used when asking whether a ring can be adjusted. |
Broad wedding bands usually require more careful fitting than thin rings.
A rounded interior can feel different from a flat inner wall.
Cold, heat and daily swelling can alter comfort temporarily.
The ring must pass the knuckle yet remain stable at the base.
Tamtur, pavé and tension settings need more exact sizing.
Left and right fingers can differ even when they share the same name.
These references support the measurement method, Turkish retail conventions and consumer-buying guidance used in this page:
This Ring Measure in Turkey tool provides a practical size estimate, not a bespoke fitting, valuation or legal opinion. Retailers and manufacturers can use different tolerances, stock ranges and labels. Band width, inner profile, stone setting, previous resizing and finger anatomy can change fit. Confirm valuable, engraved, custom-made, tamtur or difficult-to-resize rings with the seller or a professional jeweller before purchase.