EU sizes to US sizes
Type a value in EU to get it in US instantly.
6.995US
That's 1.05× as big as an average women’s ring, while an average men’s ring is 1.1× bigger. That is about 17.32 mm across the inside.
Convert the other way: US to EU
What it means
How big is that ring?
Measure a ring that fits across its inside, or wrap a strip of paper around the finger. Fingers swell in heat, so measure warm.
The math
How to convert EU to US
Each scale steps differently: EU = circumference in mm, US = (circumference − 36.54) ÷ 2.55, and the diameter is the circumference divided by π.
Example: 54.4 EU = 6.9955 US.
Every unit
Your ring size in every system
Tables
EU to US conversion table
| EU | US |
|---|---|
| 44.2 EU | 3.00098 US |
| 46.8 EU | 4.01919 US |
| 49.3 EU | 4.99824 US |
| 51.9 EU | 6.01645 US |
| 54.4 EU | 6.9955 US |
| 57 EU | 8.01371 US |
| 59.5 EU | 8.99276 US |
| 62.1 EU | 10.011 US |
| 64.6 EU | 10.99 US |
| 67.2 EU | 12.0082 US |
| 69.7 EU | 12.9873 US |
US to EU conversion table
| US | EU |
|---|---|
| 3 US | 44.1975 EU |
| 4 US | 46.751 EU |
| 5 US | 49.3045 EU |
| 6 US | 51.858 EU |
| 7 US | 54.4115 EU |
| 8 US | 56.965 EU |
| 9 US | 59.5185 EU |
| 10 US | 62.072 EU |
| 11 US | 64.6255 EU |
| 12 US | 67.179 EU |
| 13 US | 69.7325 EU |
Quick answers
Quick answers
- How many US is 54.4 EU?
- 54.4 EU is 6.9955 US.
The units
About these units
EU sizes (EU)
The ISO standard, equal to the inner circumference in millimeters.
US sizes (US)
American numeric sizes, stepping 2.55 mm of circumference each whole size.
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