Home › Unit Conversion › US fluid ounces to Milliliters
US fluid ounces to Milliliters (fl oz to mL)
Convert US fluid ounces to milliliters: 1 fl oz = 29.5735 mL. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 fl oz = 29.5735 mL
milliliters = US fluid ounces × 29.57352956 — reverse: US fluid ounces = milliliters × 0.0338140227
The factor is derived from the SI definitions of both units (base unit: L) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.
Worked examples
- 5 fl oz = 147.868 mL
- 12.5 fl oz = 369.669 mL
- 100 fl oz = 2957.35 mL
US fluid ounces to milliliters conversion table
| US fluid ounces (fl oz) | Milliliters (mL) |
|---|---|
| 1 | 29.5735 |
| 2 | 59.1471 |
| 3 | 88.7206 |
| 4 | 118.294 |
| 5 | 147.868 |
| 6 | 177.441 |
| 7 | 207.015 |
| 8 | 236.588 |
| 9 | 266.162 |
| 10 | 295.735 |
| 15 | 443.603 |
| 20 | 591.471 |
| 25 | 739.338 |
| 30 | 887.206 |
| 40 | 1182.94 |
| 50 | 1478.68 |
| 75 | 2218.01 |
| 100 | 2957.35 |
| 200 | 5914.71 |
| 250 | 7393.38 |
| 500 | 14786.8 |
| 1000 | 29573.5 |
FAQ
How many milliliters are in one fluid ounce?
1 fl oz = 29.5735 mL. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.
What is the formula to convert US fluid ounces to milliliters?
Multiply the value in US fluid ounces by 29.57352956: milliliters = US fluid ounces × 29.57352956. For example, 5 fl oz = 147.868 mL.
How do I convert milliliters back to US fluid ounces?
Multiply by the inverse factor 0.0338140227 (US fluid ounces = milliliters × 0.0338140227), or use the milliliters-to-US fluid ounces page.
Related conversions
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=fl_oz_us&to_unit=mL - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"fl_oz_us","to_unit":"mL"} - Markdown: https://tttkmbb.com/conversion/fl-oz-to-ml.md · JSON: https://tttkmbb.com/conversion/fl-oz-to-ml.json (add
?value=for a result) · Units: /api/v1/units?quantity=volume - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.