Convert Gallon to Liter (gal to L)

Instant precision conversion from Gallon (gal) to Liter (L) in Volume.

⚡ Direct Answer: 1 gal to L

1 Gallon (gal) equals exactly 3.78541 Liter (L).

Formula: L = gal × 3.78541

To convert from Gallon to Liter, multiply the quantity by 3.78541 (or divide by 0.264172).

📐 How Gallon (gal) and Liter (L) Relate

In metrology, volume quantifies three-dimensional volumetric capacity ($L^3$). Within this domain, Gallon (gal) and Liter (L) originate from Metric liquid volume and US Customary / British Imperial liquid measures. Standardized according to NIST Handbook 44 and OIML liquid capacity regulations.

Because both Gallon and Liter belong to the linear volume domain, conversion between them is strictly proportional. The exact conversion factor (3.78541) guarantees zero precision drift across mathematical calculations.

Standard Metrology: Metric liquid volume and US Customary / British Imperial liquid measures

🎯 Common Practical Applications

Vehicle Importation & Registration Compliance

Calculating engine coolant, transmission fluid, and fuel tank capacities for vehicles imported into metric countries.

Marine Bunkering & Commercial Vessels

Reconciling domestic US fuel delivery receipts in gallons with vessel fuel sounding tables logged in metric liters.

Industrial Chemical Manufacturing & Mixing

Converting batch manufacturing recipes specified in US gallons for European automated chemical plant reactors.

Reverse Pair Available

Reverse Conversion Option

Looking to calculate the reverse direction? Switch directly to our dedicated Liter to Gallon converter.

Convert Liter to Gallon (L to gal) →

Gallon to Liter Conversion Table (1 to 1000)

Gallon (gal) to Liter (L) and Reciprocal Equivalents
Gallon (gal) Liter (L) Liter (L) Gallon (gal)
1 gal 3.78541 L 1 L 0.264172 gal
2 gal 7.57082 L 2 L 0.528344 gal
3 gal 11.35623 L 3 L 0.792517 gal
5 gal 18.92705 L 5 L 1.320861 gal
10 gal 37.8541 L 10 L 2.641722 gal
15 gal 56.78115 L 15 L 3.962583 gal
20 gal 75.7082 L 20 L 5.283444 gal
25 gal 94.63525 L 25 L 6.604304 gal
50 gal 189.2705 L 50 L 13.208609 gal
75 gal 283.90575 L 75 L 19.812913 gal
100 gal 378.541 L 100 L 26.417218 gal
250 gal 946.3525 L 250 L 66.043044 gal
500 gal 1892.705 L 500 L 132.086088 gal
1000 gal 3785.41 L 1000 L 264.172177 gal
Liters → GallonsMilliliters → Fluid OuncesCubic Meters → Cubic FeetQuarts → Liters

More converters: Length · Area · Cooking · Fuel Economy · Density

Frequently Asked Questions

How many Liter in 1 Gallon?

1 Gallon (gal) equals exactly 3.78541 Liter (L). 1 Liter (L) equals approximately 0.264172 Gallon (gal). Formula: gal ≈ L × 0.26417218.

How to convert Gallon to Liter?

To convert from Gallon to Liter, multiply the quantity by 3.78541 (or divide by 0.264172). Mathematical formula: L = gal × 3.78541.

What is an example calculation converting Gallon to Liter?

To convert 10 Gallon to Liter: multiply 10 by the conversion factor 3.78541 to get exactly 37.8541 Liter (L).

How to convert back from Liter to Gallon?

To convert from Liter to Gallon, multiply by the inverse factor 0.264172 (or divide by 3.78541). Formula: gal = L × 0.26417218.