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Gallons to Liters Conversion Chart

Convert US and UK gallons to liters for international standards, technical documentation, and global communication.

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Small Containers β€’ 1-20 gal

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US Gallons to Liters Conversion Chart

1 US gallon = 3.785 L β€’ 1-20 gal

US GallonsLiters
13.79
27.57
311.36
415.14
518.93
622.71
726.5
830.28
934.07
1037.85
1141.64
1245.42
1349.21
1453
1556.78
1660.57
1764.35
1868.14
1971.92
2075.71

Formula: liters = gallons Γ— 3.785

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File Details

Rows

20

Range

1-20 gal

PDF File Size

β‰ˆ0KB

Quality

300 DPI

Understanding Gallon Systems

US and UK gallons are different! Learn which one to use for your needs

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MOST COMMON

US Gallons (Liquid)

3.785 L

(3.78541 liters exact)

The standard gallon used in the United States for fuel, beverages, and most liquid measurements. Smaller than the UK gallon.

Common uses:

  • Gasoline and fuel economy (MPG)
  • Milk and beverage containers
  • Water storage and aquariums
  • Paint and chemical volumes

Quick conversions:

  • β€’ 1 US gallon = 4 quarts
  • β€’ 1 US gallon = 8 pints
  • β€’ 1 US gallon = 128 fl oz
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IMPERIAL

UK Gallons (Imperial)

4.546 L

(4.54609 liters exact)

The Imperial gallon used in the United Kingdom, Canada, and some Commonwealth countries. About 20% larger than the US gallon.

Common uses:

  • UK fuel economy (MPG Imperial)
  • Canadian fuel measurements
  • Historical measurements
  • Some Commonwealth countries

Quick conversions:

  • β€’ 1 UK gallon = 4 quarts
  • β€’ 1 UK gallon = 8 pints
  • β€’ 1 UK gallon = 160 fl oz
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Important: The Difference Matters!

A US gallon is about 3.785 liters, while a UK gallon is about 4.546 litersβ€”that's a 20% difference! This affects fuel economy comparisons, recipe conversions, and capacity calculations.

Rule of thumb:

  • β€’ United States? Use US gallons (3.785 L)
  • β€’ UK, Canada, Australia? Check local standards (often UK gallons: 4.546 L)
  • β€’ Fuel economy? US MPG β‰  UK MPG due to gallon difference
  • β€’ International context? Always specify which gallon system

How to Use This Chart

Customize once, export instantly, and keep a clear reference for any setting

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Pick the Gallon System

  • 1.Select US gallons for most US vehicles and containers
  • 2.Choose UK/Imperial gallons for UK or Commonwealth references
  • 3.Enable quarts, pints, or milliliters if you need extra detail

Fast check:

US gallon = 3.785 L, UK gallon = 4.546 L.

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Set Your Range

  • 1.Use presets for fuel tanks, water storage, or beverages
  • 2.Adjust the start, end, and step values to match your containers
  • 3.Switch templates to fit workshop, office, or classroom use

Precision tip:

Smaller steps help with mixes; larger steps keep the chart concise.

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Export & Print

  • Download PDF or PNG for on-screen use
  • Print at 100% scale on Letter or A4
  • Laminate for durable shop or garage use

Free vs Pro:

Free users export with the standard watermark and templates. Pro unlocks premium templates and optional watermark removal.

Common Gallons to Liters Conversions

Small Containers (0.5–5 gal)

US GallonsLitersUK GallonsTypical Use
0.25 gal0.950.21Quart container
0.5 gal1.890.42Half-gallon milk
1 gal3.790.83Standard gallon jug
2 gal7.571.66Large beverage container
5 gal18.934.16Standard bucket

Vehicle Fuel Tanks (10–25 gal)

US GallonsLitersUK GallonsTypical Use
10 gal37.858.33Compact car tank
13 gal49.2110.83Small sedan
15 gal56.7812.50Mid-size car
20 gal75.7116.66SUV/truck
25 gal94.6420.83Large truck

Bulk Storage (50–100 gal)

US GallonsLitersUK GallonsTypical Use
50 gal189.2741.63Water heater
55 gal208.2045.79Standard drum
75 gal283.9162.45Large aquarium
100 gal378.5483.27Storage tank

Practical Applications

Use this chart anywhere liters and gallons overlap in daily work

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Automotive

  • β€’Oil and coolant top-ups
  • β€’Fuel capacity comparisons
  • β€’Fleet maintenance logs
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Gardening

  • β€’Watering schedules
  • β€’Fertilizer dilution
  • β€’Tank sprayer refills
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Travel

  • β€’Fuel rental estimates
  • β€’Bottle size conversions
  • β€’International product labels
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Industrial

  • β€’Bulk purchasing checks
  • β€’Storage calculations
  • β€’Compliance documentation

Common Container Capacities

ContainerGallons (US)Liters
Milk Jug1 Gal3.78 L
Standard Bucket5 Gal18.9 L
Gas Can (Large)5 Gal18.9 L
Industrial Drum55 Gal208.2 L

Homebrewing & Fermentation

Standard batch sizes for beer, wine, and cider.

Batch TypeGallons (US)Liters
Small Batch1 Gallon3.8 L
Standard Batch5 Gallons19 L
Large Batch10 Gallons38 L
Demi-John14 Gallons53 L

Gas Can Capacities

Typical UseCapacity (US)Liters
Small (Trimmer)1 Gallon3.8 L
Medium (Mower)2.5 Gallons9.5 L
Large (Generator)5 Gallons19 L

Frequently Asked Questions

What is the exact formula for gallons to liters?

US gallons: liters = gallons Γ— 3.785412. UK/Imperial gallons: liters = gallons Γ— 4.54609. The chart uses these standard conversion factors for accurate results.

Which gallon system should I use?

Use US gallons for the United States and most automotive specifications. Use UK/Imperial gallons for the UK and some Commonwealth references. When in doubt, check the source country or specification.

Can I show quarts, pints, and milliliters?

Yes. Toggle extra units in the chart settings to add quarts, pints, or milliliters alongside liters for a more comprehensive reference table.

How do I print the chart to scale?

Set your printer to 100% scale and select Letter or A4 in the settings. Avoid automatic fit or shrink settings to preserve sizing and readability.

What is included for free versus Pro?

Free users can customize and export charts with standard templates and a site watermark. Pro unlocks premium templates and optional watermark removal for a cleaner print.

Need a custom volume reference?

Tell us how you use gallons and liters and we can refine the presets.

Email: [email protected]