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Quarts to Gallons Converter

Convert quarts to gallons and gallons to quarts instantly. Bidirectional volume converter with formula and common values.

qt

Gallons

1.5

gal

6 qt = 1.5 gal

gal = qt ÷ 4

Quarts to Gallons: 1 qt equals 0.25 gal. To convert quarts to gallons, multiply by 0.25 (gal = qt ÷ 4). For example, 10 qt = 2.5 gal.

How to Convert Quarts to Gallons

To convert from quarts to gallons, multiply the value by 0.25. The conversion is linear, meaning doubling the input doubles the output.

Conversion Formula

  • Quarts to Gallons: gal = qt ÷ 4
  • Gallons to Quarts: qt = gal × 4

Quarts to Gallons Conversion Chart

Quarts (qt)Gallons (gal)
0.10.025
0.250.0625
0.50.125
10.25
20.5
30.75
51.25
102.5
205
256.25
5012.5
10025
25062.5
1000250

Understanding the Units

What is a Quart?

The US liquid quart equals exactly 946.352946 milliliters, or one quarter of a US gallon.

Common contexts: cooking (US).

What is a Gallon?

The US liquid gallon equals exactly 3.785411784 liters; the imperial (UK) gallon equals 4.54609 liters.

From the Old Northern French galun, originally a wine measure.

Common contexts: fuel, milk, paint.

Real-World Reference Points

Item Quarts (qt) Gallons (gal)
A milk jug (US)41
Average car gas tank (US)5614

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FAQ

How many gallons are in a quart?

One quart equals 0.25 gallons (one-quarter of a gallon).

How do I convert quarts to gallons?

Divide the number of quarts by 4. For example, 6 quarts ÷ 4 = 1.5 gallons.

How many quarts make a half gallon?

Two quarts make a half gallon.

Why is it called a quart?

The word "quart" derives from Latin "quartus" meaning fourth, because a quart is one-fourth of a gallon.

How many gallons are in 1 quart?

1 qt equals 0.25 gal.

How do you convert quarts to gallons?

Multiply the quart value by 0.25. Formula: gal = qt ÷ 4.

How many gallons are in 5 quarts?

5 qt = 1.25 gal.

How do you convert gallons back to quarts?

Use the inverse formula: qt = gal × 4. For example, 1 gal = 4 qt.

What is the difference between Quart and Gallon?

The US liquid quart equals exactly 946.352946 milliliters, or one quarter of a US gallon. The US liquid gallon equals exactly 3.785411784 liters; the imperial (UK) gallon equals 4.54609 liters.