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Volume & capacity

Just how much is 1 US gallon?

Containers

1 US gal

Scale
1 US gallon

The quantity is exact as entered.

3.785 LVolume
3 litre saucepan

A saucepan is a deep pan with a handle, used for cooking or boiling food on a hob.

3 LVolume
These are equal-volume cubes. Edge lengths grow with the cube root of capacity; the cubes do not depict container exteriors.

A little perspective

1 US gallon is about 1.26 times the capacity of a 3 litre saucepan.

Measurements, assumptions & sources +

1 US gallon

Volume: 3.785 L; definition.

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

NIST — SI conversion factors

3 litre saucepan

Volume: 3 L; example.

Defined 3 litre capacity. Actual containers, servings and fills vary. Outer shape is not used to calculate capacity.

Defined examples — our methodology

The marked volume is calibrated. Unmeasured illustration details are representative.

Measurement details

Why these numbers?

Compare 1 US gallon with the volume of a 3 litre saucepan. The notes below explain how each value was chosen.

1 US gallon

3.785 L

Volume · definition

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

3 litre saucepan

3 L

Volume · example

Defined 3 litre capacity. Actual containers, servings and fills vary. Outer shape is not used to calculate capacity.

Comparing
Volume ↔ Volume
Relative size
1 US gallon is about 1.26 times the capacity of a 3 litre saucepan. 1 US gallon is approximately 26.2% greater than the volume of a 3 litre saucepan.

How to read the visual

The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.

  • The volume of a 3 litre saucepan: This is an illustrative comparison value, not a claim that every example is the same.

Volume measures three-dimensional space; a container’s capacity is not its outside dimensions.

3.7854 Llitres
0.0037854 m³cubic metres
0.83267 UK galUK gallons

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