US Gallons to Litres Converter — Instant gal to L Tool for India
Convert US gallons to litres instantly with our free online tool. Handy for imported machinery spec sheets, society swimming pools, and American appliance capacities. Accurate gal to litres results every time.
Online Volume Converter - Convert Litres, Millilitres, Cups & GallonsThe quick answer for 1 US Gallons — type any value below for the exact result
US Gallons
Liters
gal to Litres Conversion Formula
To convert US gallons to litres, multiply the gallon value by 3.78541. This converts US liquid gallons — the unit printed on American spec sheets, fuel economy figures, and product labels. Since every petrol pump in India bills in litres, this conversion helps you make sense of any gallon figure at a glance. Note that the UK (imperial) gallon is larger, at 4.54609 litres.
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 (3.78 kg). Fuel pumps, milk packaging, paint tins, and pool chemical labels across America all count in these gallons.
Where it is used: Dominant in the United States and still common in Liberia, Belize, and several Caribbean countries for fuel and everyday liquids.
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.
Liters (l)
The litre (L) is the metric unit of volume, equal to one cubic decimetre — imagine a cube 10 cm on every side. India runs on the litre: petrol and diesel at every pump, milk pouches, cooking oil tins, and engine fluids are all measured this way. 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 default liquid measure for fuel, beverages, cooking, science, and industry across India, 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.
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) | |
|---|---|---|
| One-gallon milk can | 1 gal_us | 3.78541 l |
| Five-gallon bucket | 5 gal_us | 18.92705 l |
| Kitchen dustbin | 13 gal_us | 49.21033 l |
| Fifty-five-gallon oil drum | 55 gal_us | 208.19755 l |
| Society swimming pool | 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 from American machine makers specify lubricant deliveries per 55-gallon drum, but your Indian supplier invoices in litres and stocks 210 L barrels. Converting 55 US gal to 208.20 L keeps reorder quantities, fluid inventories, and GST paperwork aligned on both systems.
Treating a society swimming pool
American pool volume calculators report gallons, while chlorine and algaecide bought in India dose per litre. A 12,000 US gal pool at a Bengaluru apartment complex works out to 45,424.92 L — running that figure through the converter before chemical day prevents a costly 20%-style dosing error on a hot weekend.
Fuelling an imported vehicle or RV
Imported American pickups and RVs list tank capacity in gallons. A 26-gallon tank is 98.42 L — enough for nearly ten Mumbai to Pune runs (148 km each way) on one fill. Converting the capacity first tells you exactly how many litres to budget for at the petrol pump, and whether the jerry cans in the boot match the tank.
Mixing agricultural sprayer batches
A 40 US gal sprayer tank equals 151.42 L, and herbicide labels list rates per acre or per 200 L of water. Converting the tank to litres before mixing keeps concentrate ratios correct when the product sheet is metric but the tractor's sprayer dial is marked in gallons — a common situation with imported American farm equipment.
Related Volume Conversions
How to Use
-
1
Enter Your Volume in Gallons
Type the US gallon value — for example, enter 5 for a jerry can, 26 for an American pickup's fuel tank, or 55 for an imported oil drum
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2
See the Litre Equivalent
The result appears instantly: 5 US gal = 18.93 L, so you can order fluids from your local supplier in litres without guesswork
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3
Copy or Reverse
Copy the result or click Swap to revert 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 1 gal imported paint tin (3.79 L) to a 350 gal society swimming pool (1,324.89 L)
Exact US Definition
Uses the exact US liquid gallon of 3.78541 litres (231 cubic inches) — and flags the larger UK gallon (4.54609 L) so imported spec sheets never mislead you
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 (just shy of India's standard 210 L barrel)
Swap with One Click
Flip the pair instantly to turn metric quantities back into gallons — a 1,000 L IBC tote, common in Indian factories, becomes 264.17 US gal
Free & Unlimited
No registration required — and no charges, not even ₹1. Convert drums, tanks, and jerry cans of any size as often as you need — always free
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 a UK 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 Gallons to Litres Converter
Our free online US gallons to litres converter gives instant, accurate volume conversions from the American gallon to the metric litre. Whether you are servicing imported machinery rated in gallons, reading an American appliance's capacity, planning chemical dosing for a society swimming pool, or comparing products listed on US e-commerce sites, this tool delivers dependable results. The US liquid gallon, defined as exactly 3.78541 litres, remains the standard for fuel, milk, and paint across the United States, while India — from petrol pumps to dairy cooperatives — measures everything in litres, lakhs of them every day. Our converter applies the exact US definition and clearly separates it from the larger UK imperial gallon (4.54609 litres), so your conversions stay correct on every spec sheet.
Expert Tips for gal to Litres 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 maths, treat a gallon as roughly 3.8 litres. Ten gallons becomes 38 L against the exact 37.85 L — off by only 0.4%, perfectly fine for estimating fuel or paint quantities.
Watch UK sources: an imperial gallon (4.54609 L) is about 1.2 US gallons. British fuel economy figures in "mpg (imp)" must be converted with the larger gallon, or your numbers will look 20% optimistic even on Indian roads.
Bulk logistics run on drums: one 55 US gal drum is 208.20 L, while the standard Indian barrel is 210 L — so a pallet of four US drums carries 832.8 L, a figure your freight forwarder will expect in metric quotes.
American pool calculators output gallons; chlorine and algaecide sold in India dose per litre. A 12,000 gal society pool is 45,424.92 L, and dosing by gallons against a per-litre label would overshoot badly on a scorching 45°C May afternoon.