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Gallons to Liters Converter

Convert US gallons to liters: 1 gallon = 3.7854 L. Instant conversion for fuel, brewing and containers, with US/UK gallon table.

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1 m³ = 1000 L = 35.315 ft³ · 1 L = 1000 mL = 0.264 US gal · 1 US gal = 3.785 L · 1 dou = 10 L

Value

From

3.785412Liter (L)

1 Gallon (US) = 3.785412 Liter (L) · 1 Liter (L) = 0.264172 Gallon (US)

All conversions

Common scenarios

Conversion steps

1Unit relation: 1 加仑(美) = 3.785412 升 (L)
2Substitute: 1.000000 × 3.785412
3Result: 1.000000 加仑(美) = 3.785412 升 (L)

Order-of-magnitude scale

A teaspoon

A soda can

Water jug

A bathtub

A shipping container

Olympic pool

For scale: Water jug ≈ 4.99 × current

Quick reference

1 L	1000 mL
1 m³	1000 L
1 US gal	≈3.785 L
1 UK gal	≈4.546 L
1 US cup	≈236.6 mL
1 tbsp	≈14.8 mL
1 ft³	≈28.32 L

US gallons (3.785 L) and UK gallons (4.546 L) differ by 20%. Check the origin before converting fuel or recipe volumes; "cup" in recipes defaults to the US 236.6 mL cup.

Frequently Asked Questions

How many liters is 1 gallon?▼

1 US gallon = 3.7854 L; 1 UK gallon = 4.5461 L.

How do I use the Volume Converter?▼

Open the page and fill in the input fields — results update automatically. Liter, milliliter, cubic meter, gallon.

Are the results accurate?▼

Yes. Standard formulas and conversion factors are used and verified.

Is it free? Do I need to sign up?▼

Completely free. No registration, login or download required.

Does it work on mobile?▼

Yes. The responsive design works on phones, tablets and desktops.

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This is a dedicated variant of the Volume Converter, pre-configured for this scenario with tailored FAQs.