conversions

Gallons to Quarts

Last updated: June 19, 2026

Blake Boege
Written by Blake Boege · Founder, Calculator Answers

A liquid volume calculation utility designed to convert US gallons (gal) to quarts (qt). It is based on the standard US liquid measurement definition where 1 gallon is comprised of exactly 4 quarts.

Convert gallons to quarts instantly. Read the conversion answers, the mathematical formula, and browse the reference lookup table.

Quick Answer

Convert gallons to liquid quarts. One US gallon is equal to exactly 4 quarts.

Direct Conversion

Gallons to Quarts

Bidirectional Gallons (gal) and Quarts (qt) Converter

Compute exact conversions between gallons (gal) and quarts (qt).

Bidirectional live updates. Enter a number in either field to convert instantly.

Live Conversion

Answer

4 qt

1 gal = 4 qt

Formulaqt = gal conversion
Gallons (gal)1 gal
Quarts (qt)4 qt

Gallons to Quarts Reference Table

Gallons (gal)Quarts (qt)Description
0.25 gal1.00 qtExactly one quart
0.50 gal2.00 qtExactly two quarts
1.00 gal4.00 qtExactly one gallon
2.00 gal8.00 qtExactly two gallons
5.00 gal20.00 qtExactly five gallons
10.00 gal40.00 qtExactly ten gallons
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Examples

1 gal

4 qt

How it works

To convert gallons (gal) to quarts (qt), perform the following calculation:

Formula

qt = gal × 4

Method

Multiply the number of gallons by 4 to get the equivalent volume in quarts.

Understanding Gallons to Quarts Conversions

In the United States, liquid volume is organized hierarchically with gallons at the top. One US gallon is divided into 4 quarts, 8 pints, or 16 cups. This page converts gallons directly to quarts, which is highly useful when scaling liquid volume measurements for recipes, paints, or automotive fluids.

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Frequently asked questions

Multiply the number of gallons by 4.

There are exactly 4 quarts in a single US gallon.

Multiply the gallons by 4.