Fluid Ounce (US) to Milliliter (US fl oz to mL)
Result
29.57352956 Milliliter
Formula
mL = US fl oz × 29.57352956
1 US fl oz = 29.57352956 mL, and 1 mL = 0.0338140227 US fl oz.
The litre is exactly 1 dm³ (0.001 m³). The US gallon is defined as 231 cubic inches, which makes it exactly 3.785411784 L; quarts, pints, cups and fluid ounces are fixed fractions of it.
Worked examples
- 1 US fl oz × 29.57352956 = 29.57353 mL
- 10 US fl oz × 29.57352956 = 295.7353 mL
- 100 US fl oz × 29.57352956 = 2,957.353 mL
Common mistakes
- US and UK (imperial) measures share names but not sizes: the imperial gallon is 4.54609 L (20% larger), the imperial pint 568 mL and the imperial fluid ounce 28.41 mL.
- This converter uses US customary volumes. A US cup is 236.59 mL, a metric cup 250 mL, and US nutrition labels round a cup to 240 mL.
- US dry measures (dry pint, bushel) are a separate system and are not the same as liquid pints.
Fluid Ounce (US) to Milliliter table
| Fluid Ounce (US) (US fl oz) | Milliliter (mL) |
|---|---|
| 1 | 29.57353 |
| 2 | 59.147059 |
| 5 | 147.86765 |
| 10 | 295.7353 |
| 20 | 591.47059 |
| 50 | 1,478.6765 |
| 100 | 2,957.353 |
| 1,000 | 29,573.53 |
The units
- Fluid Ounce (US) (US fl oz)
- One 128th of a US gallon: 29.5735295625 mL.
- Milliliter (mL)
- One thousandth of a litre — the same volume as one cubic centimetre.
Sources for these factors
- Handbook 44 (2024), Appendix C: General Tables of Units of Measurement — NIST
- Guide for the Use of the International System of Units (SP 811), Appendix B: conversion factors — NIST
- 21 CFR 101.9 (nutrition labeling: household measure equivalents) — U.S. FDA / eCFR
Last reviewed against these sources. An automated check recomputes every factor from its definition on each build. How we check accuracy