Fluid ounce to Liter Converter
Enter the value that you want to convert fluid ounce (fl oz) to liter (L) or liter to fluid ounce.Also written as FL OZ to L conversion.
1 fluid ounce = 0.0284131 liter
Formula: liter = fluid ounce value × 0.0284131
FL OZ to L — fluid ounce to liter
10 fluid ounce = 0.28413 liter
Popular Volume Converters:
Why Convert Fluid ounce to Liter?
The Fluid ounce Explained
Fluid ounce (fl oz) is a unit of volume measurement. 1 fluid ounce is equal to 0.0284131 liter.
The Liter Explained
Liter (L) is a unit of volume measurement. 1 liter is equal to 35.1950797 fluid ounce.
Volume Measurement Systems
Volume units are particularly confusing because the US and UK gallons differ (US gallon = 3.785 L, UK gallon = 4.546 L), as do their pints, cups, and fluid ounces. Cooking, fuel economy, beverage production, and pharmaceutical compounding all require precise volume conversions. Laboratory work uses milliliters and liters while US recipes specify cups, tablespoons, and fluid ounces.
fluid ounce to liter metric conversion table
| 0.01 fl oz | = | 0.00028 L |
| 0.1 fl oz | = | 0.00284 L |
| 1 fl oz | = | 0.02841 L |
| 2 fl oz | = | 0.05683 L |
| 3 fl oz | = | 0.08524 L |
| 4 fl oz | = | 0.11365 L |
| 5 fl oz | = | 0.14207 L |
| 6 fl oz | = | 0.17048 L |
| 7 fl oz | = | 0.19889 L |
| 8 fl oz | = | 0.22730 L |
| 9 fl oz | = | 0.25572 L |
| 10 fl oz | = | 0.28413 L |
| 11 fl oz | = | 0.31254 L |
| 12 fl oz | = | 0.34096 L |
| 13 fl oz | = | 0.36937 L |
| 14 fl oz | = | 0.39778 L |
| 15 fl oz | = | 0.42620 L |
| 16 fl oz | = | 0.45461 L |
| 17 fl oz | = | 0.48302 L |
| 18 fl oz | = | 0.51144 L |
| 19 fl oz | = | 0.53985 L |
| 20 fl oz | = | 0.56826 L |
| 30 fl oz | = | 0.85239 L |
| 40 fl oz | = | 1.13652 L |
| 50 fl oz | = | 1.42065 L |
| 60 fl oz | = | 1.70478 L |
| 70 fl oz | = | 1.98891 L |
| 80 fl oz | = | 2.27304 L |
| 90 fl oz | = | 2.55718 L |
| 100 fl oz | = | 2.84131 L |
| 200 fl oz | = | 5.68261 L |
| 300 fl oz | = | 8.52392 L |
| 400 fl oz | = | 11.36522 L |
| 500 fl oz | = | 14.20653 L |
| 600 fl oz | = | 17.04784 L |
| 700 fl oz | = | 19.88914 L |
| 800 fl oz | = | 22.73045 L |
| 900 fl oz | = | 25.57176 L |
| 1000 fl oz | = | 28.41306 L |
How to Convert FL OZ to L (Fluid ounce to Liter)?
We can convert fluid ounce to liter by using an example.
Example:
Convert 20 Fluid ounce to Liter?
We know 1 Fluid ounce = 0.0284131 liter; 1 Liter = 35.1950797 fluid ounce.
20 fluid ounce = ___L
20 × 0.0284131 = 0.56826 L (we know 1 fluid ounce = 0.0284131 liter)
Answer:
20 fluid ounce = 0.56826 liter
Fluid Ounces to Liters: Going from US to Metric
Converting US fluid ounces to liters helps when following metric recipes, calculating medication dosages, or understanding international product sizes. One US fluid ounce equals 0.0295735 liters (or 29.5735 mL). To convert ounces to liters, multiply by 0.0295735 — or more intuitively, divide by 33.814.
- Note the volume in US fluid ounces.
- Multiply by 0.0295735 (or divide by 33.814) to get liters.
- For milliliters instead, multiply fl oz by 29.5735.
- Example: 64 fl oz × 0.0295735 = 1.893 liters.
Fluid Ounces to Liters Quick Reference
Common US fluid ounce amounts converted to liters:
| Fluid ounce | Liter |
|---|---|
| 8 fl oz | 0.237 L |
| 12 fl oz | 0.355 L |
| 16 fl oz | 0.473 L |
| 20 fl oz | 0.591 L |
| 32 fl oz | 0.946 L |
| 64 fl oz | 1.893 L |
| 128 fl oz | 3.785 L |
Worked Examples: Fluid Ounces → Liters
Question 1: A large sports drink is 32 fl oz. How many liters is that?
Solution:
Liters = fl oz × 0.0295735
= 32 × 0.0295735
= 0.946 liters
Answer: 32 fl oz = 0.946 liters (very close to 1 liter).
Question 2: You drink 80 fl oz of water per day. Express in liters.
Solution:
Liters = 80 × 0.0295735
= 2.366 liters
Answer: 80 fl oz = approximately 2.37 liters of water per day.
Question 3: A recipe calls for 24 fl oz of broth. Convert to liters.
Solution:
Liters = 24 × 0.0295735
= 0.710 liters (710 mL)
Answer: 24 fl oz = 0.71 liters (710 mL).
Practice Questions
Try solving these on your own to test your understanding:
- Convert 48 fl oz to liters. (Answer: 1.42 L)
- How many fl oz is 2 liters? (Answer: 67.63 fl oz)
- A baby drinks 24 oz of formula daily. How many liters? (Answer: 0.71 L)
- Convert 100 fl oz to liters. (Answer: 2.957 L)
- A thermos holds 40 fl oz. Express in liters. (Answer: 1.183 L)
Medical and Pharmaceutical Dosing
Medical professionals often need to convert between fluid ounces (used in US patient instructions) and milliliters/liters (used in clinical protocols). A "recommended 8 glasses of water" (64 fl oz) = 1.89 liters. Medication dosing cups typically show both fl oz and mL markings. For IV fluid orders: a 1-liter bag = 33.8 fl oz, often infused over several hours.
International Recipe Adaptation
When adapting American recipes for international use, all fluid ounce measurements need conversion to milliliters or liters. Common equivalents: 1 cup (8 oz) ≈ 237 mL, 1 pint (16 oz) ≈ 473 mL, 1 quart (32 oz) ≈ 946 mL. Most metric measuring cups round to 250 mL for a cup, which introduces a 5.5% difference — close enough for cooking but potentially significant for baking.
Key Takeaways
- 1 US fl oz = 0.0295735 liters (29.5735 mL).
- Divide fluid ounces by 33.814 to get liters.
- 32 fl oz (1 quart) ≈ 0.946 liters (just under 1 L).
- 64 fl oz (half gallon) ≈ 1.89 liters.
- For medical conversions: 1 fl oz ≈ 30 mL (used as standard in healthcare).
Fluid ounce to Liter Conversion Formula
liter = fluid ounce × 0.0284131
1 fluid ounce = 0.0284131 liter
1 liter = 35.1950797 fluid ounce
Reverse: fluid ounce = liter × 35.1950797
Frequently Asked Questions
How many liter are in 1 fluid ounce?
There are 0.0284131 liter in 1 fluid ounce. To convert fluid ounce to liter, multiply the value by 0.0284131.
How do I convert fluid ounce to liter?
Multiply your fluid ounce value by 0.0284131 to get the equivalent in liter. For example, 5 fluid ounce = 5 × 0.0284131 = 0.14207 liter.
How do I convert liter to fluid ounce?
Multiply your liter value by 35.1950797 to get the equivalent in fluid ounce. Alternatively, divide by 0.0284131.
What is 10 fluid ounce in liter?
10 fluid ounce is equal to 0.28413 liter.
What is 100 fluid ounce in liter?
100 fluid ounce is equal to 2.84131 liter.