Fluid Ounces to Liters Converter - Convert fl oz to L (US)
Convert with the exact identity L = fl oz × 0.0295735295625. The reverse mapping is fl oz = L × 33.8140227018. The calculator preserves internal precision and uses scientific notation for extreme magnitudes to keep results readable.
Exact constants: 1 US fl oz = 29.5735295625 mL and 1 L = 1000 mL. Therefore 1 fl oz = 0.0295735295625 L. See all online volume unit converters.
About US Fluid Ounces to Liters
US fluid ounces appear on beverage sizes, bar guides, and many American recipes. Liters are the SI standard used in production, analytics, and most international cookbooks. Converting fluid ounces to liters helps align consumer-facing quantities with manufacturing and research notes, and reduces friction when teams exchange data across different unit systems.
The conversion used here is tied to exact definitions. One US fluid ounce is 29.5735295625 milliliters. One liter is 1000 milliliters. Multiplying fluid ounces by 0.0295735295625 yields liters without approximation beyond display rounding.
Fluid Ounces to Liters Formula
Exact relationship (US customary)
L = fl oz × 0.0295735295625
// inverse
fl oz = L × 33.8140227018Unit breakdown from definitions:
1 US fl oz = 29.5735295625 mL (exact)
1 L = 1000 mL (exact)
⇒ 1 fl oz = 29.5735295625 ÷ 1000 = 0.0295735295625 L (derived)Related Volume Converters
What Are US Fluid Ounces and Liters?
US Fluid Ounces (fl oz)
US fluid ounces are used widely in the United States for drink sizes and recipe volumes. Keep the “US” qualifier explicit to avoid confusion with imperial fluid ounces.
Liters (L)
Liters are the SI unit for everyday liquid volumes and provide a clear path to milliliters and cubic measures. They are standard in scientific reporting and international packaging.
Step-by-Step: Converting fl oz to L
- Enter the value in US fluid ounces.
- Multiply by 0.0295735295625 to obtain liters.
- Round once at presentation to the precision your audience expects.
- Label units clearly in tables, charts, and exports.
Example walkthrough:
Input: 16 fl oz
Compute: L = 16 × 0.0295735295625 = 0.473176473
Output: 0.473 L (rounded to 3 decimals)Applications and Context
Menu and label preparation
Convert pour sizes to liters for back-of-house documentation or to milliliters for front-of-house clarity where metric is preferred.
Pilot runs and R&D notes
Bench measurements captured in fluid ounces can be normalized to liters for analysis, QA comparisons, and batch scaling.
Data pipelines and dashboards
Use exact constants in code, then apply consistent rounding in reports. This improves auditability and repeatability across releases.
Common Conversions (fl oz → L, US)
| Fluid Ounces (US) | Liters (L) |
|---|---|
| 1 | 0.029573530 |
| 8 | 0.236588236 |
| 12 | 0.354882355 |
| 16 | 0.473176473 |
| 24 | 0.709764709 |
| 32 | 0.946352946 |
| 48 | 1.419529419 |
| 64 | 1.892705892 |
| 96 | 2.839058838 |
| 128 | 3.785411784 |
Quick Reference Table (Reverse: L → fl oz)
| Liters (L) | Fluid Ounces (US) |
|---|---|
| 0.25 | 8.453505675 |
| 0.5 | 16.907011351 |
| 0.75 | 25.360517026 |
| 1 | 33.814022702 |
| 1.5 | 50.721034053 |
| 2 | 67.628045404 |
| 3 | 101.44206811 |
| 4 | 135.25609081 |
| 5 | 169.07011351 |
| 10 | 338.14022702 |
Precision, Rounding & Significant Figures
Operational rounding
Use exact constants during calculation and round once when you publish or export. Align the number of decimals with your use case and display size constraints.
Consistent documentation
Note that fl oz values refer to the US customary unit. Keep the identities (L = fl oz × 0.0295735295625 and fl oz = L × 33.8140227018) available near tables and examples.
Where This Converter Is Used
- Formatting beverage sizes for audiences that expect SI units.
- Normalizing bar or recipe notes captured in fluid ounces into liters for analysis.
- Preparing batch instructions that require SI units in SOPs and QA sheets.
- Building calculators and dashboards that must interoperate across unit systems.
Frequently Asked Questions
What is the exact formula to convert US fluid ounces to liters?
Use L = fl oz × 0.0295735295625. This factor is exact because 1 US fluid ounce equals 29.5735295625 milliliters and 1 L equals 1000 milliliters.
How many liters are in 16 US fluid ounces?
L = 16 × 0.0295735295625 = 0.473176473 L. This is a common anchor value in kitchen and beverage contexts.
Is this converter using US fluid ounces or imperial fluid ounces?
It uses US fluid ounces. Imperial fluid ounces are different in size. When working across sources, verify which system is intended.
How should I round fluid ounces to liters for menus, labels, or datasheets?
Compute with full precision and round once at final display. For menus, two or three decimals in liters is typical; labs may keep more detail or switch to milliliters.
Why does this tool rely on milliliter definitions to convert fl oz to L?
Both liters and US fluid ounces are defined via milliliters, so using 29.5735295625 mL per fl oz and 1000 mL per liter yields a consistent conversion.
How do I convert very small pour sizes to liters, like 1 fl oz?
Multiply by 0.0295735295625. For 1 fl oz, L = 0.0295735295625. If you prefer mL, it is exactly 29.5735295625 mL.
Does localization affect this calculation?
No. Localization changes only how numbers are displayed, not the arithmetic. The underlying result is the same.
Can I convert fluid ounces to both liters and milliliters for documentation?
Yes. Use L = fl oz × 0.0295735295625 and mL = fl oz × 29.5735295625. Present both when helpful for clarity.
How many liters are in a 12 fl oz drink (US)?
12 × 0.0295735295625 = 0.35488235475 L. You might present this as 0.355 L in many contexts.
Why do some references round to fewer decimals than this tool?
Rounded constants are common for quick estimates. This tool uses exact definitions for reproducible results across systems and audits.
Is the relationship between fl oz and liters linear for scaling batches?
Yes. Doubling fl oz doubles liters. The factor is constant and can be applied to any positive or negative value.
How can I sanity-check results when converting fl oz to liters?
Keep two anchors in mind: 8 fl oz ≈ 0.2365882365 L (≈ 1 US cup) and 16 fl oz ≈ 0.473176473 L (≈ 1 US pint).
Tips for Working with US Fluid Ounces & Liters
- Keep “US” explicit when writing fl oz to avoid imperial confusion.
- Retain exact constants in code; round once in final output.
- Use anchors for checks: 8 fl oz ≈ 0.236588 L; 16 fl oz ≈ 0.473176 L.
- Include both liters and milliliters where that improves clarity.