Volume & Liquid Converter
Instantly convert between metric, US customary, and imperial liquid volume units.
Formula:
About Volume Converter
Our free Volume Converter is an essential utility for chefs, scientists, engineers, and everyday users. Whether you are scaling up a cooking recipe from Cups to Milliliters, or calculating fuel capacities from Liters to Gallons, this tool delivers pinpoint accuracy.
It calculates everything securely inside your browser. We've included standard Metric units along with US Customary and UK Imperial units to ensure you get the exact measurement you need, wherever you are in the world.
How to Use
- 1 Type the volume amount you want to convert in the "From" box on the left.
- 2 Select the starting liquid or volume unit (e.g., Liter) from the dropdown list.
- 3 Choose your required target unit (e.g., US Gallon) in the "To" dropdown on the right.
- 4 The calculation happens automatically. Use the middle Swap button to instantly reverse the conversion.
Common Volume Conversion Table
| Base Volume | Liters (L) | US Gallons (gal) | US Cups |
|---|---|---|---|
| 1 Liter (L) | 1 L | 0.264172 gal | 4.22675 cups |
| 1 US Gallon (gal) | 3.78541 L | 1 gal | 16 cups |
| 1 US Cup | 0.236588 L | 0.0625 gal | 1 cup |
| 1 Milliliter (mL) | 0.001 L | 0.000264 gal | 0.004226 cups |
| 1 US Fluid Ounce (fl oz) | 0.029573 L | 0.007812 gal | 0.125 cups |
Frequently Asked Questions
There are approximately 3.78541 liters in 1 US Gallon. This is the standard conversion rate used worldwide for fluid mechanics and commerce.
A standard US Cup contains exactly 236.588 milliliters. In nutritional labeling, it is often rounded to 240 milliliters for simplicity. Our tool uses the strict 236.588 ml conversion factor for accurate scientific and culinary calculations.
Yes, a significant difference. A US Gallon equals roughly 3.785 liters, while an Imperial (UK) Gallon is larger, equaling approximately 4.546 liters. Our tool provides separate options for both to ensure you never make a mistake.