Unit Converters

Volume Converter

Convert volume units: liters, gallons, milliliters, cubic meters, fluid ounces, cups, pints, quarts, and more. Perfect for cooking, science, fuel calculations, and international recipes.

Use Volume Converter to get instant results without uploads or sign-ups. Everything runs securely in your browser for fast, reliable output.

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About this tool

Volume conversion is essential in everyday life: following international recipes, calculating fuel economy, measuring liquids for chemistry or medicine, comparing beverage sizes, and working with engineering specifications. The US uses gallons, fluid ounces, and cups, while most countries use liters and milliliters. Our Volume Converter bridges these systems.

The converter handles all common volume measurements: metric units (liters, milliliters, cubic meters), US customary units (gallons, quarts, pints, cups, fluid ounces), imperial UK units (UK gallons differ from US gallons), and cubic measurements (cubic centimeters, cubic feet, cubic inches). Accurate conversions prevent cooking disasters, ensure proper medication dosages, and support scientific precision.

Volume conversions appear in countless scenarios: adjusting recipes from European cookbooks, calculating aquarium water volumes, converting fuel consumption figures for cars (liters/100km vs. MPG), measuring paint or cleaning supplies, understanding beverage container sizes internationally, and working with industrial liquid storage. Understanding these conversions saves time and prevents errors.

The calculator is particularly useful for international travelers, professional chefs working with global recipes, scientists and engineers dealing with different systems, home brewers and winemakers, automotive enthusiasts comparing fuel specs, and students learning measurement systems. Quick access to accurate volume conversions makes complex calculations simple.

Usage examples

Fuel Conversion

Convert 50 liters of gasoline to gallons

50 liters = 13.21 US gallons

Recipe Adjustment

Convert 250 ml of milk to cups for US recipe

250 milliliters = 1.06 cups

Beverage Size

Convert 2-liter soda bottle to fluid ounces

2 liters = 67.63 fluid ounces

Aquarium Volume

Convert 50-gallon fish tank to liters

50 US gallons = 189.27 liters

Industrial Storage

Convert 5 cubic meters to gallons

5 cubic meters = 1,320.86 US gallons

How to use

  1. Enter the volume value you want to convert.
  2. Select the unit you're converting FROM (e.g., liters).
  3. Select the unit you're converting TO (e.g., gallons).
  4. Click "Convert" to see instant results.
  5. Use for cooking recipes, fuel calculations, or scientific measurements.
  6. Switch between metric and imperial systems easily.

Benefits

  • Convert between all common volume units instantly
  • Supports both metric and imperial measurement systems
  • Perfect for international cooking and recipe conversions
  • Essential for fuel calculations and automotive comparisons
  • Accurate scientific and medical dosage conversions
  • Useful for home improvement projects (paint, etc.)
  • Helps understand beverage and container sizes globally
  • Free alternative to manual conversion math
  • Educational tool for learning measurement systems
  • Prevents costly errors in cooking, chemistry, and engineering
  • Mobile-friendly for kitchen or on-the-go use
  • Handles both tiny (milliliters) and large (cubic meters) volumes

FAQs

How many liters are in a gallon?

A US gallon equals 3.785 liters. Note that UK (imperial) gallons are larger at 4.546 liters. When converting, make sure you know whether you're dealing with US or UK gallons. US gallons are standard for American fuel, beverages, and measurements.

How do I convert milliliters to cups?

One US cup equals 236.588 milliliters (often rounded to 240 ml in recipes). To convert ml to cups, divide by 236.588. For example, 500 ml ≈ 2.11 cups. Note that metric cups (used in Australia) equal 250 ml exactly.

What's the difference between fluid ounces and ounces?

Fluid ounces (fl oz) measure volume (liquids), while ounces (oz) measure weight (mass). They're completely different—you can't directly convert between them without knowing the liquid's density. For water, 1 fl oz weighs approximately 1 oz, but this doesn't apply to other liquids.

How many cups are in a liter?

One liter equals approximately 4.227 US cups (often rounded to 4.2 or 4 cups). This is useful for recipe conversions. Going the other way, one cup equals about 0.237 liters or 237 milliliters.

What are cubic meters used for?

Cubic meters (m³) measure large volumes: room sizes, water tanks, industrial containers, natural gas, concrete. One cubic meter equals 1,000 liters or 264.17 US gallons. It's too large for cooking but essential in construction, utilities, and shipping.

How do I convert recipes from European to US measurements?

European recipes often use milliliters and grams. For liquids, convert ml to cups (divide by 237) or fluid ounces (divide by 29.57). Remember that European tablespoons (15 ml) and US tablespoons (14.79 ml) are slightly different, though often close enough for cooking.

What's the relationship between quarts, pints, and gallons?

In US measurements: 1 gallon = 4 quarts = 8 pints = 16 cups. So 1 quart = 2 pints = 4 cups. These relationships make fraction conversions easy. One quart is approximately 0.946 liters, and one pint is approximately 0.473 liters.

Can I use this for converting fuel economy (MPG to L/100km)?

This converter handles volume conversions (gallons ↔ liters), but fuel economy requires more complex calculations involving distance. To convert MPG to L/100km, use the formula: L/100km = 235.215 / MPG. These are inverse relationships—higher MPG means lower L/100km.

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