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Milliliters to US fluid ounces (mL to fl oz)
Convert milliliters to US fluid ounces: 1 mL = 0.033814 fl oz. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 mL = 0.033814 fl oz
US fluid ounces = milliliters × 0.0338140227 — reverse: milliliters = US fluid ounces × 29.57352956
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 mL = 0.16907 fl oz
- 12.5 mL = 0.422675 fl oz
- 100 mL = 3.3814 fl oz
Milliliters to US fluid ounces conversion table
| Milliliters (mL) | US fluid ounces (fl oz) |
|---|---|
| 1 | 0.033814 |
| 2 | 0.067628 |
| 3 | 0.101442 |
| 4 | 0.135256 |
| 5 | 0.16907 |
| 6 | 0.202884 |
| 7 | 0.236698 |
| 8 | 0.270512 |
| 9 | 0.304326 |
| 10 | 0.33814 |
| 15 | 0.50721 |
| 20 | 0.67628 |
| 25 | 0.845351 |
| 30 | 1.01442 |
| 40 | 1.35256 |
| 50 | 1.6907 |
| 75 | 2.53605 |
| 100 | 3.3814 |
| 200 | 6.7628 |
| 250 | 8.45351 |
| 500 | 16.907 |
| 1000 | 33.814 |
FAQ
How many US fluid ounces are in one milliliter?
1 mL = 0.033814 fl oz. 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 milliliters to US fluid ounces?
Multiply the value in milliliters by 0.0338140227: US fluid ounces = milliliters × 0.0338140227. For example, 5 mL = 0.16907 fl oz.
How do I convert US fluid ounces back to milliliters?
Multiply by the inverse factor 29.57352956 (milliliters = US fluid ounces × 29.57352956), or use the US fluid ounces-to-milliliters page.
Related conversions
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=mL&to_unit=fl_oz_us - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"mL","to_unit":"fl_oz_us"} - Markdown: https://tttkmbb.com/conversion/ml-to-fl-oz.md · JSON: https://tttkmbb.com/conversion/ml-to-fl-oz.json (add
?value=for a result) · Units: /api/v1/units?quantity=volume - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.