Litres to Gallons Calculator – Instant Volume Converter

Convert litres to US gallons instantly with our free online tool. Perfect for calculating fuel tank sizes for road trips, pool volumes, or water usage. Accurate L to gal results tailored for Aussie users.

Volume Converter – Instant Metric & Cooking Conversions
l

Liters

gal_us

US Gallons

L to gal Conversion Formula

To convert litres to US gallons, multiply the litre value by 0.264172. Note: This converts to US liquid gallons (1 US gallon = 3.78541 litres). The UK (imperial) gallon is larger at 4.54609 litres.

1 l = 0.2641721769 gal_us

Litres to US Gallons Conversion Table

Liters (l) US Gallons (gal_us)

How to Use

  1. 1

    Enter Litres

    Type the litre value you want to convert — common entries include caravan water tanks (e.g., 100 L), jerrycans (20 L), or backet pool volumes (5,000 L).

  2. 2

    View US Gallons

    The equivalent US gallon value appears instantly. For example, a typical 60 L car fuel tank converts to about 15.85 US gal.

  3. 3

    Copy or Swap

    Copy the result or click Swap to convert gallons back to litres.

  4. 4

    Check US vs UK

    Remember this tool converts to US gallons. For UK (imperial) gallons, multiply litres by 0.219969 instead.

Why Use Be Converter?

Instant Conversion

Get precise litre to US gallon results in real-time as you type — ideal for quick fuel maths or checking chemical dosages for your pool.

US & UK Gallon Clarity

Clearly converts to US liquid gallons (3.78541 L) and notes the UK imperial gallon (4.54609 L) difference so you never mix them up.

Conversion Table

Quick reference for common values like 3.8 L (1 gal), 19 L (5 gal), and 208 L (55 gal drum) — handy for 4WD water tanks.

Bidirectional

Easily swap between litres and gallons with one click for reverse conversions.

Free & No Signup

No registration required. Unlimited conversions. Completely free forever.

Privacy First

All calculations happen in your browser. No data is sent to any server.

Frequently Asked Questions

How many US gallons are in 1 litre?
1 litre equals 0.264172 US gallons. So a standard 2 L bottle of milk holds about 0.53 US gallons, and a 1,000 L rainwater tank is roughly 264 US gallons.
What is the difference between US and UK gallons?
A US liquid gallon equals 3.78541 litres, while a UK (imperial) gallon equals 4.54609 litres — about 20% larger. So 10 litres equals 2.64 US gallons but only 2.20 UK gallons. This converter uses US gallons.
How do I convert my car fuel consumption from litres to gallons?
If your ute uses 10 L/100km, that equals about 2.64 US gallons per 100km. To get US MPG: 235.215 ÷ 10 = 23.5 MPG. For a road trip from Melbourne to Sydney with a 75 L tank, you have roughly 19.8 US gallons of fuel capacity.
How many litres are in a 5-gallon jerrycan?
A US 5-gallon jerrycan holds exactly 18.927 litres. This is a common size for portable water or fuel storage for camping and 4WD trips in Australia.
Is this tool free to use?
Absolutely! Our litres to gallons converter is completely free with no registration required. Use it as often as you need for fuel, water tank storage, cooking, or any liquid volume conversion.

About Litres to Gallons Converter

Our free online litres to gallons converter provides instant, accurate volume conversions between the metric litre and the US gallon. Whether you are importing a US vehicle with a fuel tank listed in gallons, calculating water volumes for your backyard pool in Perth, or adjusting a recipe from an American blog, this tool gives you precise results. The litre is the standard metric unit for volume used in Australia, while the US gallon remains common in international manufacturing. Our converter uses the exact US liquid gallon definition of 3.78541 litres and clearly distinguishes it from the UK imperial gallon (4.54609 litres) to avoid confusion.

Expert Tips for L to gal Conversion

1

For quick mental maths: 4 litres is slightly more than 1 US gallon (3.785 L = 1 gal). So divide litres by 4 and add about 5% for a rough estimate.

2

When reading car reviews from the US, remember they list fuel economy in 'miles per gallon' using the smaller US gallon. Australian cars use litres per 100km.

3

A standard Australian bathtub holds about 180 litres (approx. 47.5 US gal), while a front-load washing machine uses roughly 50-80 litres (13-21 US gal) per cycle.

4

For DIY enthusiasts: if you are buying paint or varnish from a US website, check if the volume is in US gallons or imperial gallons. 1 US gallon is 3.78 L versus 4.54 L for the imperial version.

5

Planning a camping trip? A standard 20 L jerrycan is approximately 5.28 US gallons. This is handy to know if you are comparing US camping gear specifications.