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Volume & capacity

Just how much is 50 US gallons?

Containers

50 US gal

Scale
50 US gallons

The quantity is exact as entered.

189.3 LVolume
200 litre water butt

A water butt collects and stores rainwater for later use, often in gardens.

200 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

The capacity of a 200 litre water butt is about 1.06 times 50 US gallons.

Measurements, assumptions & sources +

50 US gallons

Volume: 189.3 L; definition.

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

NIST — SI conversion factors

200 litre water butt

Volume: 200 L; example.

Defined 200 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 50 US gallons with the volume of a 200 litre water butt. The notes below explain how each value was chosen.

50 US gallons

189.3 L

Volume · definition

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

200 litre water butt

200 L

Volume · example

Defined 200 litre capacity. Actual containers, servings and fills vary. Outer shape is not used to calculate capacity.

Comparing
Volume ↔ Volume
Relative size
The capacity of a 200 litre water butt is about 1.06 times 50 US gallons. The volume of a 200 litre water butt is approximately 5.67% greater than 50 US gallons.

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 200 litre water butt: 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.

189.27 Llitres
0.18927 m³cubic metres
41.634 UK galUK gallons

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