What does 2 centimetres look like?

2-Centimetre Distance Comparisons

• Measured against the diameter of a regulation table-tennis ball, 2 centimetres spans about 50% of that reference.

  Using the source measurement of 4 centimetres, this comparison puts the target at 50% of it.

  Source: International Table Tennis Federation

• Measured against the diameter of a 1-cent euro coin, 2 centimetres spans about 1.2 times that reference.

  The comparison uses the published dimension, converted into the same unit before the proportion is calculated.

  Source: European Commission

• 2 centimetres is about 37% of the short edge of an ISO ID-1 payment card.

  Using the source measurement of 5.4 centimetres, this comparison puts the target at 37% of it.

  Source: International Organization for Standardization

• Measured against the minimum diameter of a tennis ball, 2 centimetres spans about 31% of that reference.

  Its published measurement is 6.54 centimetres; the ratio is calculated from that figure.

  Source: International Tennis Federation

• 2 centimetres is about 30% of the short side of a €10 note.

  Using the source measurement of 6.7 centimetres, this comparison puts the target at 30% of it.

  Source: European Central Bank

• Measured against the maximum diameter of a tennis ball, 2 centimetres spans about 29% of that reference.

  Using the source measurement of 6.86 centimetres, this comparison puts the target at 29% of it.

  Source: International Tennis Federation

• Measured against the short side of a €20 note, 2 centimetres spans about 28% of that reference.

  Its published measurement is 7.2 centimetres; the ratio is calculated from that figure.

  Source: European Central Bank

• 2 centimetres is approximately 0.8 inches.

  Using the exact conversion that 1 centimetre equals exactly 0.3937007874 inches, the unrounded result is 0.787 inches.