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Fluid Converter

Gallon to Liter Converter - Fluid Studio & Price Guard

Convert US/UK gallons to liters with our Fluid Studio. Includes Smart Jug visualization, Price Guard for fuel comparison, and smart vessel volume references.

GAL
L
Quick Presets
Price Guard (Optional)

Common Fluid Reference

1 Gallon3.785L
5 Gallons18.9L
2 Liters0.52gal
55 Gallon Drum208L

US vs. UK Gallons

The US liquid gallon is smaller than the Imperial (UK) gallon. A US gallon is approx. 3.785 liters, while a UK gallon is exactly 4.54609 liters. This is a common point of confusion for international travelers renting vehicles or buying fuel.

Why Precision Matters

In logistics and shipping, the difference between US and UK gallons can lead to significant errors in weight calculations (since 1 liter of water = 1 kilogram). Our Fluid Studio uses high-precision constants for professional-grade results.

Volume Intelligence FAQ

Which is bigger 1 Gallon or 1 Liter?

Gallon is bigger than Liter. 1 Gallon is 3.78 times a Liter.

A 2 liter water bottle is 0.54 Gallon.

Where is Gallon used?

Gallon is used for fluid volume measurements - Milk, Gasolene, Juice, Oil

How much is half gallon to liter? How many liters to half gallon?

1.89 l

How much is a gallon of water in litres?

Gallon of water in liters 3.78 liters.

How to convert liters to quarts to gallons?

1 quart = 4 gallons. 1 liter = 3.78 gallons. 1 liter = 1.057 quart.

How much does 1 Gallon weigh?

1 Gallon of water weighs 3.79 kilogram (kgs) or 8.4 pounds (lbs).

1 Gallon of Gasolene weighs 2.72 kilogram (kgs) or 6 pounds (lbs)

How much is half gallon of milk ?

A gallon is equal to 16 cups and 1/2 gallon equals 8 cups and 1.89 liters

How many water bottles make a gallon ?

Roughly 8 water bottles (7.58) with a capacity of 500 ml(0.5 liter) will make a gallon

Is UK Gallon same as US Gallon?

No, UK Gallon or Imperial Gallon is 20% more than US Gallon.

1 UK Gallon = 4.546 liters.

Are Gallons and Liters measures of Capacity or Volume? What is the difference between volume and capacity?

Capacity is measured in metric units such as liters, milliliters, gallons.

Volume is measured as cubic units like cubic cm, cubic meter, cubic feet.

Capacity is the maximum quantity of substance an object can hold.

Volume is the actual space an object has taken up.

Are Imperial Gallon and US Gallon same?

No, they are different measurements though both are units of volume.

US Gallon is part of the customary system and it is followed in US and Canada and few countries.

Imperial Gallon was used in the UK and it is a slightly bigger unit than US gallon.

1 Imperial Gallon = 1.2 * US Gallon

Gallon to Liter (US)

GALLML
0.2 gallons0.8 liters800 mL
0.25 gallons0.9 liters900 mL
0.5 gallons1.9 liters1900 mL
0.75 gallons2.8 liters2800 mL
0.8 gallons3 liters3000 mL
1 gallon3.8 liters3800 mL
1.2 gallons4.5 liters4500 mL
1.25 gallons4.7 liters4700 mL
1.5 gallons5.7 liters5700 mL
1.6 gallons6 liters6000 mL

Liter to Gallon (US)

LGAL
0.5 liters0.1 gallons
1 liter0.3 gallons
1.5 liters0.4 gallons
1.75 liters0.5 gallons
2 liters0.53 gallons
2.2 liters0.58 gallons
2.5 liters0.66 gallons
2.7 liters0.7 gallons
3 liters0.8 gallons
3.5 liters0.9 gallons

Welcome to the Fluid Studio, the ultimate Gallon to Liter converter. Beyond simple math, our tool features a Smart Jug visualization that fills in real-time, a Price Guard to compare liquid costs per gallon and liter, and a Vessel Viewport to help you visualize volume in real-world containers. Whether you are tracking fuel economy or cooking, our studio supports both US Customary and Imperial (UK) standards for total precision.

How to Use

  1. Select your standard: US Customary or Imperial (UK) Gallons.
  2. Enter the volume in Gallons or Liters in the interactive control panel.
  3. Watch the Smart Jug visualization fill up to reflect your measurement.
  4. Check the Vessel Viewport to see your volume in 'Common Vessels' like bottles or drums.
  5. Enable Price Guard to compare liquid prices per unit across different systems.
  6. Explore the Common Fluid Reference cards for quick lookups of standard liquid volumes.

Features

  • Fluid Studio Experience: Interactive 'Liquid Glass' UI with fluid animations.
  • Smart Jug Visualization: Animated liquid fill showing relative volume.
  • Price Guard: Dynamic price comparison between gallons and liters.
  • Dual Standard Support: Toggle between US Customary and Imperial (UK) gallons.
  • Vessel Viewport: Real-world comparisons (glasses, jugs, buckets, drums).
  • Common Fluid Reference: Quick-click cards for milk jugs, soda bottles, and gas tanks.
  • High Precision: Accurate conversions to 3 decimal places.

Common Use Cases

  • Fuel Economy: Comparing gas prices and tank capacities internationally.
  • Travel & Logistics: Understanding fuel volumes in different countries (US vs UK vs Metric).
  • Smart Cooking: Scaling recipes that use varied gallon standards.
  • Industrial Planning: Visualizing large volumes using the drum and bucket references.
  • Budgeting: Using Price Guard to find the best value for bulk liquid purchases.

Tips & Best Practices

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1 US Gallon = 3.785 Liters, while 1 Imperial (UK) Gallon = 4.546 Liters.

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Use the 'Smart Jug' to quickly gauge if a volume will fit in a standard container.

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Price Guard is especially useful for travelers comparing gas prices at the pump.

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The 'Vessel Viewport' helps you explain volumes to others using common household items.

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When in Canada or the UK, ensure you select 'Imperial' for accurate local comparisons.