Volume Converter

Convert between liters, milliliters, cubic meters, cups, fluid ounces, pints, quarts, gallons and cubic volumes.

Volume
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Common Benchmarks

Water bottle 500 mL
Shot glass 44 mL
Soda bottle 2 L
Gas can 5 gal
Paint can 1 gal
Cup 240 mL

Formula

gal = qt × 0.25

Example

Example: convert 0.5 US quarts to gallons.

0.5 qt = 0.125 gal

Conversion table

US quarts (qt) gallons (gal)
1 qt 0.25 gal
2 qt 0.5 gal
5 qt 1.25 gal
10 qt 2.5 gal
20 qt 5 gal
50 qt 12.5 gal
100 qt 25 gal

Explanation

US liquid gallons are commonly used for fuel and larger liquid volumes in the United States.

How to convert US quarts to gallons

  1. Start with the value in US quarts (qt).
  2. Multiply it by 0.25.
  3. The result is the measurement in gallons (gal).

Example: 0.5 qt → 0.125 gal

Frequently Asked Questions

How much is 0.5 US quarts in gallons?

0.5 US quarts equals 0.125 gallons.

How many gallons is 1 US quart?

1 US quart equals 0.25 gallons.

How many US quarts is 1 gallon?

1 gallon equals 4 US quarts.

What is the difference between US quarts and gallons?

Both measure volume within the same system. The main difference is usually scale: gallons are used for larger volumes and US quarts for smaller ones.

Where are US quarts and gallons used?

In practice, US quarts are used in US cooking and containers (quarts), while gallons are commonly used in the US for fuel and larger liquid volumes.

Why does 1 US quart equal 0.25 gallons?

Because the units are defined with a fixed relationship. To convert US quarts to gallons, multiply by that factor.