US to Circumference (mm) Ring Size for Wide Band Fit
Snapshot
8.5 US ring size equals 58.2 Ring circumference (mm).
- Reference basis: This result uses the selected mm mapping as the profile basis.
- Example: For 6.5 US ring size, the mm mapping returns 53.1 Ring circumference (mm) under the same fit assumptions.
Interactive conversion
Converter Calculator
Decimals: 1.5 or 1,5. Fractions: 1/2. Scientific notation: 1e3. Write 1000 without grouping separators.
58.2 Circumference (mm) value
SwitchAPI and AI agent access
US to Circumference (mm) Ring Size for Wide Band Fit. fit: wide-band-fit.
Machine-readable identifiers
- Conversion family
ring-size- Source unit
us- Target unit
circumference-millimeters- Fit
wide-band-fit
Use these identifiers in the API request. Sources and model limits also apply to software clients.
Example API request and response
POST /api/v1/convertRequest
{
"family": "ring-size",
"value": 8.5,
"from": "us",
"to": "circumference-millimeters",
"parameters": {
"fit": "wide-band-fit"
}
}Essential response
{
"ok": true,
"conversion": {
"family": "ring-size",
"value": 8.5,
"from": "us",
"to": "circumference-millimeters",
"result": {
"raw": 58.2413578864,
"display": "58.2"
},
"canonicalPath": "/apparel-size/ring-size/us-to-circumference-millimeters-for-wide-band-fit/"
}
}Explanation
US converts to Circumference (mm) using inner ring diameter in millimeters. Fit profile: Wide Band Fit.
Model estimate based on inner ring diameter, not a fit guarantee. No manufacturer chart is established for this model; compare your measurement with the brand’s chart.
Common Conversion Values
| US value | Circumference (mm) value |
|---|---|
| 6 1/2 | 53.1 |
| 7 1/2 | 55.7 |
| 8 1/2 | 58.2 |
| 9 1/2 | 60.8 |
| 10 1/2 | 63.3 |