What does 10 centimetres look like?

10-Centimetre Distance Comparisons

• For scale, 10 centimetres is about 1.5 times the minimum diameter of a tennis ball.

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

  Source: International Tennis Federation

• Measured against the long side of a €50 note, 10 centimetres spans about 71% of that reference.

  Its published measurement is 14 centimetres; the ratio is calculated from that figure.

  Source: European Central Bank

• For scale, 10 centimetres is about 83% of the diameter of a standard compact disc.

  Its published measurement is 12 centimetres; the ratio is calculated from that figure.

  Source: Ecma International

• For scale, 10 centimetres is about 34% of the short side of an A3 sheet.

  Its published measurement is 29.7 centimetres; the ratio is calculated from that figure.

  Source: International Organization for Standardization

• 10 centimetres is about 4.3 times the diameter of a 1-euro coin.

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

  Source: European Commission

• For scale, 10 centimetres is about 4.5 times the diameter of a 20-cent euro coin.

  Using the source measurement of 2.22 centimetres, this comparison puts the target at 4.5 of it.

  Source: European Commission

• Measured against the diameter of a 5-cent euro coin, 10 centimetres spans about 4.7 times that reference.

  Using the source measurement of 2.13 centimetres, this comparison puts the target at 4.7 of it.

  Source: European Commission

• 10 centimetres is approximately 3.9 inches.

  Using the exact conversion that 1 centimetre equals exactly 0.3937007874 inches, the unrounded result is 3.937 inches.