How do I convert gallons to liters?

To convert US gallons to liters, multiply the gallon value by 3.78541. For example, 10 gal × 3.78541 = 37.8541 L. For imperial gallons, multiply by 4.54609.

What is the formula for gallons to liters?

Liters = US gallons × 3.78541. Liters = imperial gallons × 4.54609. The US gallon (231 in³) is smaller than the imperial gallon (277.42 in³). Specify which gallon you are using.

How many liters are in 1 gallon?

1 US gallon = 3.78541 liters. 1 imperial (UK) gallon = 4.54609 liters. The imperial gallon is about 20% larger than the US gallon. This converter uses US gallons.

How many gallons are in a liter?

1 liter = 0.264172 US gallons = 0.219969 imperial gallons. The liter is the standard metric volume unit used in most countries.

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Gallons to Liters Converter

Convert US gallons (gal) to liters (L) with this easy-to-use volume converter.

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External Resources

Wikipedia: Gallon Wikipedia: Litre NIST: Metric System

Frequently Asked Questions

How do I convert gallons to liters?: To convert US gallons to liters, multiply the gallon value by 3.78541. For example, 10 gal × 3.78541 = 37.8541 L. For imperial gallons, multiply by 4.54609.
What is the formula for gallons to liters?: Liters = US gallons × 3.78541. Liters = imperial gallons × 4.54609. The US gallon (231 in³) is smaller than the imperial gallon (277.42 in³). Specify which gallon you are using.
How many liters are in 1 gallon?: 1 US gallon = 3.78541 liters. 1 imperial (UK) gallon = 4.54609 liters. The imperial gallon is about 20% larger than the US gallon. This converter uses US gallons.
How many gallons are in a liter?: 1 liter = 0.264172 US gallons = 0.219969 imperial gallons. The liter is the standard metric volume unit used in most countries.
What is the difference between US and imperial gallons?: US gallon = 3.78541 L based on the Queen Anne wine gallon (231 in³). Imperial gallon = 4.54609 L based on 10 lbs of water (277.42 in³). The UK officially converted to metric but imperial gallons are still referenced.
How do I convert US gallons to imperial gallons?: 1 US gal = 0.8327 imperial gal. 1 imperial gal = 1.201 US gal. Conversion: US gal × 0.8327 = imperial gal, imperial gal × 1.201 = US gal.
How do I convert gallons to liters for fuel?: Fuel conversions: 1 gal = 3.785 L, 5 gal = 18.927 L, 10 gal = 37.854 L, 15 gal = 56.781 L, 20 gal = 75.708 L. Fuel prices: $3.00/gal ≈ $0.793/L.
What is the gallons to liters conversion for 5 gallons?: 5 US gal = 18.927 L. Common: 5-gallon water bottle, 5-gallon paint bucket, 5-gallon gas can. In metric countries, the equivalent container is 20 L (5.28 gal).
How do I estimate gallons to liters?: Quick estimation: multiply gallons by 4 (slightly over but easy). Example: 5 gal × 4 = 20 L (actual: 18.93 L). More accurate: gal × 3.8. For imperial: gal × 4.55.
How do I convert gallons to liters in Excel?: Use =A1*3.78541 to convert US gallons (in A1) to liters. Or use =CONVERT(A1,"gal","l"). For imperial: =A1*4.54609 or =CONVERT(A1,"uk_gal","l").
What is the origin of the gallon?: The US gallon is based on the wine gallon of 231 in³ used in England before 1824. The imperial gallon was defined in 1824 as 277.42 in³. The US continued using the older wine gallon after independence.
What is the gallons to liters conversion for 1 gallon?: 1 US gal = 3.7854 L = 128 US fl oz = 4 qt = 8 pt = 16 cups. 1 imp gal = 4.5461 L = 160 imp fl oz = 8 imp pt. These are the base conversions for liquid volume.
How do I convert gallons to liters for water?: Water: 1 gal = 3.785 kg (8.34 lbs at room temp). Daily water intake: 0.5 gal (1.9 L) women, 0.75 gal (2.8 L) men. Swimming pool: 10,000 gal = 37,854 L.
What is the history of the liter?: The liter was introduced in 1795 as part of the metric system. It was originally defined as the volume of 1 kg of water at 4°C. Today, 1 L = 1 dm³ = 0.001 m³. It is not an SI base unit but is accepted for use with SI.
What is the gallons to liters conversion for 4 gallons?: 4 US gal = 15.142 L. This is approximately 16 L. Common: 4-gallon trash can, small aquarium, fuel container. A 4 L milk jug = 1.057 gal (close to 1 gal).
How do I convert gallons to liters for paint?: Paint: 1 gal (US) = 3.785 L, covers ~40 m² (400 ft²) per coat. Quart (1/4 gal) = 0.946 L. Half-gallon = 1.893 L. 5 gal bucket = 18.927 L. Metric paint is sold in 1 L, 4 L, and 10 L containers.
How do I convert gallons to liters for cooking?: US recipes use cups and quarts. 1 cup = 0.237 L, 1 pt = 0.473 L, 1 qt = 0.946 L, 1 gal = 3.785 L. UK recipes may use imperial pints (1 imp pt = 0.568 L).
What is the gallons to liters conversion for 15 gallons?: 15 US gal = 56.781 L. Common: large aquarium (15 gal = ~57 L), medium fuel container, standard trash can. A 55-gallon drum = 208.2 L (the standard oil barrel).
How do I convert gallons to liters for aquariums?: Aquarium sizes: 10 gal = 37.9 L, 20 gal = 75.7 L, 29 gal = 109.8 L, 55 gal = 208.2 L, 75 gal = 283.9 L, 125 gal = 473.2 L. Stocking guidelines are based on both volume and surface area.
How do I convert gallons to liters for engine oil?: Engine oil: 5 qt (1.25 gal) = 4.73 L, 6 qt (1.5 gal) = 5.68 L, 8 qt (2 gal) = 7.57 L. Most cars take 4-6 L (1.06-1.59 gal). Motor oil is sold in quarts in the US and liters elsewhere.
What is the gallons to liters conversion for 20 gallons?: 20 US gal = 75.708 L. Common: medium trash can, large fuel container, aquarium, brewing batch size. Homebrewers often use 5-10 gal (18.9-37.9 L) batches.
How do I convert gallons to liters for milk?: US milk gallon = 3.785 L, half-gallon = 1.893 L, quart = 0.946 L. Canadian milk is sold in 4 L bags (1.057 gal) and 2 L cartons (0.528 gal). UK milk is sold in pints (0.568 L) and liters.
How do I convert gallons to liters for beverages?: Beverages: US soda bottles 2 L = 0.528 gal, 1 L = 0.264 gal, 0.5 L = 0.132 gal. US beer: 12 oz can = 0.355 L = 0.094 gal, pint = 473 mL = 0.125 gal, growler = 1.89 L = 0.5 gal.
What is the gallons to liters conversion for 50 gallons?: 50 US gal = 189.27 L. Common: large water heater (50 gal), aquarium, rain barrel. A 55-gallon drum = 208.2 L. Used for bulk oil, chemicals, and water storage.
How do I convert gallons to liters for medication?: Medical measurements use metric (mL, L). 1 gal = 3,785 mL. IV fluids: 1 L bag = 0.264 gal. Medication dosing: always use metric (mg/kg, mL) for safety. Gallons are not used in medical contexts.
What is the gallons to liters conversion for 100 gallons?: 100 US gal = 378.541 L. Common: large hot water tank, small swimming pool, rainwater harvesting system. An Olympic swimming pool is about 660,000 US gal (2.5 million L).
How do I convert gallons to liters for chemical mixing?: Chemical ratios: mix rate per gallon: 1 oz/gal = 7.5 mL/L. Dilution: 1:10 ratio = 0.1 gal chemical + 0.9 gal water = 0.379 L + 3.406 L. Always follow manufacturer instructions.
How do I convert gallons to liters for cleaning solutions?: Cleaning: concentrate dilution often per gallon of water. 1 gal = 3.785 L. 1 capful (30 mL) per gallon = 7.9 mL/L. Spray bottles: 32 oz (0.25 gal) = 946 mL, 24 oz = 710 mL.
What is the gallons to liters conversion for 2.5 gallons?: 2.5 US gal = 9.464 L. Common: small water cooler bottle, fire extinguisher (2.5 gal), small trash can, small aquarium. A 2.5 gal container is approximately 10 L.
How do I convert gallons to liters for oil drums?: Oil drum: 55 US gal = 208.2 L (standard 208 L drum). 30 gal = 113.6 L, 15 gal = 56.8 L. Oil weights: 1 gal crude ≈ 7.2 lb = 3.27 kg. 55 gal drum ≈ 396 lb = 180 kg filled.
How do I convert gallons to liters for concrete mix?: Concrete mixing: water added per bag. 1 gal = 3.785 L water weighs 8.33 lb = 3.78 kg. Concrete mix typically needs 0.5-1 gal (1.9-3.8 L) water per 80 lb bag. Adjust for desired consistency.