Convert US Gallons to Litres — Free gal to L Converter for Canada
Convert US gallons to litres instantly with our free online tool. Built for Canadian fuel prices, cross-border shopping, cottage water tanks, and pool season. Accurate gal to L results.
Canadian Volume Converter – Metric & Imperial Units for Cooking & ScienceThe quick answer for 1 US Gallons — type any value below for the exact result
US Gallons
Liters
gal to L Conversion Formula
To convert US gallons to litres, multiply the gallon value by 3.78541. This converts US liquid gallons — the unit you'll see on American products, spec sheets, and cross-border purchases. The imperial gallon (4.54609 litres), which Canada itself used before metrication, is larger.
US Gallons and Liters Explained
US Gallons (gal_us)
The US liquid gallon is the volume standard of the United States, defined as exactly 3.78541 litres — the old English wine gallon of 231 cubic inches. It splits into 4 quarts, 8 pints, or 128 fluid ounces, and a full gallon of water weighs about 8.34 pounds. Fuel pumps and milk packaging in the US count in these gallons, and plenty of US-labelled products follow them onto Canadian shelves.
Where it is used: Dominant in the United States; still shows up on American products, spec sheets, and manuals that Canadian consumers and businesses import every day.
Origin: English statute fixed the wine gallon at 231 cubic inches in 1707; the newly independent US kept it in 1776-era custom while Britain redefined its gallon in 1824. Canada inherited that imperial gallon and used it until metrication in the 1970s.
Liters (l)
The litre (L) is the metric unit of volume, equal to one cubic decimetre — imagine a cube 10 cm on every side. It's the everyday standard in Canada: gas is pumped, milk is bagged, and paint is sold in litres from coast to coast to coast. It takes about 3.78541 litres to fill one US gallon, and a litre of water weighs almost exactly one kilogram, which is how the unit was first conceived.
Where it is used: The official liquid measure for fuel, beverages, cooking, science, and industry across Canada, as well as Europe, Asia, Africa, Oceania, and Latin America.
Origin: Born with the French metric system in the 1790s as the volume of one kilogram of water; redefined in 1964 as exactly 1,000 cubic centimetres. Canada adopted the litre as its everyday standard through metrication in the 1970s.
US Gallons to Litres Conversion Table
| US Gallons (gal_us) | Liters (l) |
|---|---|
| 0.5 gal_us | 1.892705 l |
| 1 gal_us | 3.78541 l |
| 2 gal_us | 7.57082 l |
| 3 gal_us | 11.35623 l |
| 5 gal_us | 18.92705 l |
| 10 gal_us | 37.8541 l |
| 13 gal_us | 49.21033 l |
| 20 gal_us | 75.7082 l |
| 26 gal_us | 98.42066 l |
| 30 gal_us | 113.5623 l |
| 40 gal_us | 151.4164 l |
| 55 gal_us | 208.19755 l |
| 100 gal_us | 378.541 l |
| 200 gal_us | 757.082 l |
| 500 gal_us | 1892.705 l |
Liters to US Gallons Conversion Table
| Liters (l) | US Gallons (gal_us) |
|---|---|
| 1 l | 0.2641721769 gal_us |
| 2 l | 0.5283443537 gal_us |
| 5 l | 1.3208608843 gal_us |
| 10 l | 2.6417217686 gal_us |
| 20 l | 5.2834435372 gal_us |
| 50 l | 13.2086088429 gal_us |
| 100 l | 26.4172176858 gal_us |
| 208.2 l | 55.0006472218 gal_us |
| 500 l | 132.086088429 gal_us |
| 1000 l | 264.172176858 gal_us |
US Gallons to Liters in Everyday Objects
Common real-world examples that make US Gallons and Liters easy to picture at a glance.
| US Gallons (gal_us) | Liters (l) | |
|---|---|---|
| US gallon jug of milk | 1 gal_us | 3.78541 l |
| Five-gallon bucket | 5 gal_us | 18.92705 l |
| Kitchen garbage can | 13 gal_us | 49.21033 l |
| Fifty-five-gallon drum | 55 gal_us | 208.19755 l |
| Backyard hot tub | 350 gal_us | 1324.8935 l |
| Pickup truck fuel tank | 26 gal_us | 98.42066 l |
When You Need US Gallons to Liters Conversions
Servicing machinery from oil drums
Workshop manuals written in the US specify lubricant deliveries per 55-gallon drum, but your Canadian supplier invoices by the litre. Converting 55 US gal to 208.20 L keeps reorder quantities, fluid inventories, and waste-disposal paperwork aligned on both systems.
Opening the backyard pool or hot tub
American pool volume calculators report gallons, while chlorine and algaecide sold by Canadian retailers dose per litre. A 12,000 US gal pool is 45,424.92 L — running that figure through the converter before the May long weekend prevents a costly dosing error on opening day.
Fueling a boat or RV at the cottage
Your pickup's 26-gallon tank reads 98.42 L when filling up on the drive north or at a Muskoka or Okanagan marina that prices fuel by the litre. Converting tank capacity first tells you exactly how many litres a fill-up takes — and roughly what it will cost at today's pump prices.
Mixing agricultural sprayer batches
A 40 US gal sprayer tank equals 151.42 L, and herbicide labels list rates per acre or per 100 L. On a Prairie farm, converting the tank to litres before mixing keeps concentrate ratios correct when the product sheet is metric but the equipment dial is in gallons.
Related Volume Conversions
How to Use
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1
Enter Your Volume in Gallons
Type the US gallon value — for example, enter 5 for a jerry can, 26 for a pickup's fuel tank, or 55 for a drum of oil
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2
See the Litre Equivalent
The result appears instantly: 5 US gal = 18.93 L, so you can compare against Canadian metric packaging without guesswork
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3
Copy or Reverse
Copy the result or click Swap to convert litres back to US gallons
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4
Check the Table
Browse the conversion table for common values like 13 gal = 49.21 L or 30 gal = 113.56 L
Why Use Be Converter?
Instant Conversion
Get precise US gallon to litre results in real-time as you type — from a US gallon of milk beside a 4 L bag (3.79 L) to a 350 gal hot tub steaming through a -30°C Winnipeg winter (1,324.89 L)
Exact US Definition
Uses the exact US liquid gallon of 3.78541 litres (231 cubic inches) — and flags the larger imperial gallon (4.54609 L) that Canada used before metrication, so old records never trip you up
Handy Reference Table
Common values at a glance — 5 gal = 18.93 L, 20 gal = 75.71 L, and the classic 55 gal drum = 208.20 L
Swap with One Click
Flip the pair instantly to turn metric quantities back into gallons — a 1,000 L IBC tote on the acreage becomes 264.17 US gal
Free & Unlimited
No registration required. Convert drums, tanks, and jugs of any size as often as you need — always free, from St. John's to Victoria
Completely Private
All calculations run locally in your browser. Your fuel and fluid volumes never leave your device
Frequently Asked Questions
How many litres are in 1 US gallon?
How do I convert gallons to litres?
What is 5 gallons in litres?
Is a US gallon the same as an imperial gallon?
Is a gallon bigger than a litre?
How many litres is a 55-gallon drum?
How many litres is a 20-gallon aquarium?
How many litres is a 30-gallon water heater?
About the US Gallon to Litre Converter
Our free online US gallons to litres converter provides instant, accurate volume conversions from the American gallon to the metric litre. Whether you're comparing US-labelled products on Canadian shelves, pricing fuel by the litre, servicing equipment with American spec sheets, planning pool chemistry for a short but glorious summer, or matching appliance capacities across the border, this tool delivers reliable results. Canada officially runs on litres, yet the US liquid gallon (exactly 3.78541 litres) still appears on imported goods, US manuals, and pre-metric paperwork from the imperial era. Our converter applies the exact US definition and clearly separates it from the larger imperial gallon (4.54609 litres) so your conversions stay correct on every document.
Expert Tips for gal to L Conversion
The exact conversion is 1 US gal = 3.78541 L, because the US gallon is defined as 231 cubic inches and one inch is exactly 25.4 mm.
For mental math, treat a gallon as 3.8 litres. Ten gallons becomes 38 L versus the exact 37.85 L — off by only 0.4%, fine for a shopping list at the hardware store.
Mind the imperial gallon: at 4.54609 L it's about 1.2 US gallons. Canada used imperial gallons before metrication, and the UK still does — so vintage fuel records and UK mpg figures must be converted with the larger gallon or your numbers will be 20% optimistic.
Bulk logistics run on drums: one 55 US gal drum is 208.20 L, so a pallet of four drums carries 832.8 L — a figure metric freight quotes expect.
American pool calculators output gallons, while chlorine and shock sold by Canadian retailers dose per litre. A 12,000 gal backyard pool is 45,424.92 L — dosing by gallons against a per-litre label would overshoot badly on the first hot long weekend.