Convert fluid ounces to milliliters instantly with accurate formula
Volume Conversion Tools
Instant Conversion
Get accurate results immediately
Multiple Units
Supports metric and US units
Precise Results
High precision calculations
Common Use Cases
Cooking & Baking
- Converting recipe measurements between metric and US units
- Scaling recipes up or down for different serving sizes
- International recipe conversions
Science & Medicine
- Laboratory measurements and experiments
- Medicine dosage calculations
- Chemical solution preparations
Automotive & Travel
- Fuel consumption calculations
- International fuel efficiency comparisons
- Tank capacity measurements
Industrial & Commercial
- Liquid storage and shipping calculations
- Manufacturing process measurements
- International trade volume conversions
Mobile Friendly
Works perfectly on desktop, tablet, and mobile devices - all instantly.
Supported Volume Units
📏 Metric Units
- Liter (L)
- Milliliter (ml)
🇺🇸 US Units
- Gallon (gal)
- Quart (qt)
- Pint (pt)
- Cup
- Fluid Ounce (fl oz)
Conversion Ratios
- 1 Gallon = 3.785 Liters
- 1 Liter = 1,000 Milliliters
- 1 Gallon = 128 Fluid Ounces
- 1 Cup = 236.588 Milliliters
- 1 Pint = 473.176 Milliliters
How to Use the Volume Converter
Frequently Asked Questions
How many liters are in a gallon?
There are 3.78541 liters in 1 US gallon. To convert gallons to liters, multiply by 3.78541. For example, 5 gallons equals 18.93 liters.
How do I convert milliliters to fluid ounces?
To convert milliliters to fluid ounces, divide the milliliter value by 29.5735. For example, 100 ml ÷ 29.5735 = 3.38 fl oz. Formula: fl oz = ml ÷ 29.5735
What is the difference between US and UK gallons?
A US gallon equals 3.78541 liters, while a UK (Imperial) gallon equals 4.54609 liters. The UK gallon is about 20% larger than the US gallon. Our converter uses US gallons by default.
How many milliliters are in a liter?
There are 1,000 milliliters in 1 liter. To convert liters to milliliters, multiply by 1,000. For example, 2 liters equals 2,000 milliliters.
Is this volume converter free to use?
Yes, our volume converter is completely free with no registration required. Convert unlimited volume measurements between any supported units instantly with high precision.