Volume Converter

Convert liters, gallons, milliliters, cups, and more

💡 Tip: Press Ctrl+D for dark mode, Ctrl+K to focus converter

🫗 Volume Converter

Convert between liters, gallons, milliliters, cups, and more

💡 Quick Tip: 1 liter ≈ 0.26 gallons (US)
1 Liter = 0.264172 Gallons

Volume Conversion Guide

Common Volume Conversions

From To Multiply By Example
Liters Gallons (US) 0.264172 1 L = 0.264172 gal
Gallons (US) Liters 3.78541 1 gal = 3.78541 L
Milliliters Cups (US) 0.00422675 250 ml = 1.057 cups
Cups (US) Milliliters 236.588 1 cup = 236.588 ml
Fluid Ounces Milliliters 29.5735 1 fl oz = 29.5735 ml
Liters Quarts (US) 1.05669 1 L = 1.057 qt
Pints (US) Liters 0.473176 1 pt = 0.473 L
Tablespoons Milliliters 14.7868 1 tbsp = 14.79 ml
Teaspoons Milliliters 4.92892 1 tsp = 4.93 ml

Understanding Volume Units

Metric System (International)

Liter (L) - The base unit of volume in the metric system. One liter equals 1,000 cubic centimeters or 1 cubic decimeter. Commonly used for beverages, fuel, and cooking.

Milliliter (mL) - 1/1,000 of a liter. Often used for small liquid measurements, medicine dosages, and cooking ingredients. 1 mL = 1 cubic centimeter (cc).

US Customary System

Gallon (gal) - The US gallon equals 3.78541 liters. Used for fuel, milk, and large liquid quantities. Note: Imperial gallons (UK) are larger at 4.54609 liters.

Quart (qt) - 1/4 of a gallon, or 0.946353 liters. Used for beverages and cooking.

Pint (pt) - 1/2 of a quart, or 0.473176 liters. Common for beer, ice cream, and milk.

Cup - 1/2 of a pint, or 236.588 milliliters. Standard US cooking measurement. Equals 8 fluid ounces.

Fluid Ounce (fl oz) - 1/8 of a cup, or 29.5735 milliliters. Used for small liquid portions and recipe measurements.

Tablespoon (tbsp) - 1/2 of a fluid ounce, or 14.7868 milliliters. Common cooking measurement. 3 teaspoons = 1 tablespoon.

Teaspoon (tsp) - 1/3 of a tablespoon, or 4.92892 milliliters. Used for small ingredient amounts and medicine dosages.

Practical Examples

  • 🥤 Soda Can: 355 ml (12 fl oz)
  • 🍷 Wine Bottle: 750 ml (25.4 fl oz)
  • 🥛 Milk Jug: 3.78 L (1 gallon)
  • ⛽ Gas Tank (Sedan): ~60 L (~16 gallons)
  • ☕ Coffee Mug: 350 ml (12 fl oz)
  • 🍺 Beer Pint: 473 ml (16 fl oz)
  • 💊 Medicine Dose: 5 ml (1 teaspoon)
  • 🏊 Olympic Pool: 2,500,000 L (660,000 gallons)

Volume Relationships (US System)

Quick Reference:

  • 1 gallon = 4 quarts = 8 pints = 16 cups = 128 fl oz
  • 1 quart = 2 pints = 4 cups = 32 fl oz
  • 1 pint = 2 cups = 16 fl oz
  • 1 cup = 8 fl oz = 16 tablespoons = 48 teaspoons
  • 1 fl oz = 2 tablespoons = 6 teaspoons
  • 1 tablespoon = 3 teaspoons

Why Convert Between Volume Units?

Volume conversion is essential in many situations:

  • 🍳 Cooking & Baking: Recipes from different countries use different measurements
  • 🌍 International Travel: Fuel and beverages sold in different units
  • 💊 Medicine: Precise dosage conversions (especially for children)
  • ⛽ Fuel Economy: Converting between MPG (miles per gallon) and L/100km
  • 🛒 Shopping: Comparing product sizes and prices internationally
  • 🔬 Science: Lab experiments require accurate volume measurements
  • 🍷 Beverages: Understanding bottle sizes and servings

Cooking Conversion Tips

Common Cooking Conversions:

  • 1 cup flour ≈ 125 grams (note: volume to weight varies by ingredient)
  • 1 cup water = 236.588 ml (water is universal: 1 ml = 1 gram)
  • 1 stick butter (US) = 113 grams = 1/2 cup = 8 tablespoons
  • 1 cup sugar ≈ 200 grams
  • 1 cup milk = 240 ml (approximately)

Metric to US Cups (approximate):

  • 250 ml ≈ 1 cup + 1 tablespoon
  • 500 ml ≈ 2 cups + 2 tablespoons
  • 1 liter ≈ 4¼ cups

US vs Imperial Differences

Important Note: US and Imperial (UK) measurements differ!

  • Gallon: US = 3.785 L | Imperial = 4.546 L (20% larger!)
  • Fluid Ounce: US = 29.57 ml | Imperial = 28.41 ml
  • Pint: US = 473 ml | Imperial = 568 ml
  • Our converter uses US measurements by default

Frequently Asked Questions

How do I convert liters to gallons?

To convert liters to US gallons, multiply the liter value by 0.264172 (or divide by 3.78541). For example, 10 liters × 0.264172 = 2.64 gallons. For Imperial gallons, multiply liters by 0.219969.

How many liters are in a gallon?

A US gallon equals 3.78541 liters. An Imperial gallon (used in the UK) equals 4.54609 liters. Always check which gallon system is being used!

How do I convert milliliters to cups?

Divide milliliters by 236.588 to get US cups. For example, 500 ml ÷ 236.588 = 2.11 cups. For quick estimates, remember that 250 ml ≈ 1 cup.

What's the difference between fluid ounces and ounces?

Fluid ounces (fl oz) measure volume/capacity, while ounces (oz) measure weight/mass. They're completely different! 1 fl oz of water weighs about 1 oz, but this doesn't apply to other liquids.

How accurate is this volume converter?

Our converter uses precise conversion factors from international standards (NIST). Results are accurate up to 10 decimal places, far exceeding cooking and most scientific needs.

Can I convert volume to weight?

Not directly - you need to know the liquid's density. Water is easy: 1 ml = 1 gram. But oil, honey, and milk have different densities. Use a density calculator for volume-to-weight conversions.

Quick Reference Chart

Metric System:

  • 1 liter = 1,000 milliliters
  • 1 liter = 0.264 US gallons
  • 1 liter = 4.227 US cups
  • 1 liter = 33.814 US fluid ounces

US System:

  • 1 gallon = 3.785 liters
  • 1 quart = 0.946 liters
  • 1 pint = 473 milliliters
  • 1 cup = 237 milliliters
  • 1 fluid ounce = 29.57 milliliters
  • 1 tablespoon = 14.79 milliliters
  • 1 teaspoon = 4.93 milliliters