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Converting Quarts to Gallons: How-to & Steps

Instructor: Artem Cheprasov
In this lesson, you will learn how to convert from quarts to gallons using the U.S. customary system of measurements and the British Imperial system of measurements.

Steps to Solve

Background Information

A quart and a gallon are both units of measurements for volume, just like gallons, cups, and teaspoons are. Both quarts and gallons are used by the British Imperial and U.S. customary system of measurements. While the names are the same, the conversions between them are not. So, if you ever want to convert between these various units, do so using these conversion factors:

1 U.S. quart = 0.25 U.S. gallons

1 Imperial quart = 0.30 U.S. gallons

1 U.S. quart = 0.208 Imperial gallons

1 Imperial quart = 0.25 Imperial gallons

Steps

We'll use U.S. quarts and gallons as our example. To convert from quarts to gallons you just have to remember that there are 4 quarts to a gallon. To help your remember this, think of 'quart'ers. How many 'quart'ers are in one dollar? 4! How many 'quart's are in 1 gallon? 4!

Step 1:

Remember this conversion factor:

4 quarts = 1 gallon

Step 2:

We'll say we are converting 16 quarts into gallons. All we have to do is take the number of quarts we have and divide by the number '4' to get our answer in gallons:

(16 quarts) / (4 quarts/gallon)

Solution

(16 quarts) / (4 quarts/gallon) = 4 gallons

Checking Your Work & Application

How can we check that we got everything right? Well, we can back convert. If we want to go from gallons to quarts, all we have to do is take the number of gallons we have and multiply it by 4:

(4 gallons) x (4 quarts/gallon) = 16 quarts

Seems like we calculated everything correctly!

Let's do one more example to solidify everything we've learned.

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