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Volume & capacity

Just how much is 1 × 10⁹ cubic kilometres?

Worlds & stars

1 × 10⁹ km³

Scale
1 × 10⁹ cubic kilometres

The quantity is exact as entered.

1 × 10⁹ km³Volume
Charon

Charon is a natural satellite of Pluto, composed mainly of rock and water ice.

932,200,000 km³Spherical volume
Spherical bodies stay spherical. Other capacities use equal-volume cubes. Linear dimensions grow with the cube root of volume.

A little perspective

1 × 10⁹ cubic kilometres is about 1.07 times the capacity of Charon.

Measurements, assumptions & sources +

1 × 10⁹ cubic kilometres

Volume: 1 × 10⁹ km³; definition.

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

NIST — SI conversion factors

Charon

Spherical volume: 932,200,000 km³; derived.

Rounded mean-radius model of Charon. The derived area and volume describe a sphere; surface terrain and flattening are omitted.

NASA JPL — Planetary satellite physical parameters

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

Measurement details

Why these numbers?

Compare 1 × 10⁹ cubic kilometres with the spherical volume of Charon. The notes below explain how each value was chosen.

1 × 10⁹ cubic kilometres

1 × 10⁹ km³

Volume · definition

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

Charon

932,200,000 km³

Spherical volume · derived

Rounded mean-radius model of Charon. The derived area and volume describe a sphere; surface terrain and flattening are omitted.

Comparing
Volume ↔ Spherical volume
Relative size
1 × 10⁹ cubic kilometres is about 1.07 times the capacity of Charon. 1 × 10⁹ cubic kilometres is approximately 7.27% greater than the spherical volume of Charon.

How to read the visual

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

  • The spherical volume of Charon: The measurement is labelled derived. Check the source notes for its basis.

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

1 × 10²¹ Llitres
1 × 10¹⁸ m³cubic metres
2.6417 × 10²⁰ US galUS gallons
2.1997 × 10²⁰ UK galUK gallons

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