What does 45 centimetres look like?

45-Centimetre Distance Comparisons

• Measured against the long side of a €200 note, 45 centimetres spans about 2.9 times that reference.

  Its published measurement is 15.3 centimetres; the ratio is calculated from that figure.

  Source: European Central Bank

• 45 centimetres is about 2.1 times the long side of an A5 sheet.

  Its published measurement is 21 centimetres; the ratio is calculated from that figure.

  Source: International Organization for Standardization

• 45 centimetres is about 42% of the height of a tennis net at the posts.

  Using the source measurement of 107 centimetres, this comparison puts the target at 42% of it.

  Source: International Tennis Federation

• For scale, 45 centimetres is about 6.9 times the minimum diameter of a tennis ball.

  Using the source measurement of 6.54 centimetres, this comparison puts the target at 6.9 of it.

  Source: International Tennis Federation

• Measured against the short side of a €5 note, 45 centimetres spans about 7.3 times that reference.

  Its published measurement is 6.2 centimetres; the ratio is calculated from that figure.

  Source: European Central Bank

• Measured against the diameter of the ESO 3.6-metre telescope, 45 centimetres spans about 13% of that reference.

  Using the source measurement of 360 centimetres, this comparison puts the target at 13% of it.

  Source: European Southern Observatory

• Measured against the short edge of an ISO ID-1 payment card, 45 centimetres spans about 8.3 times that reference.

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

  Source: International Organization for Standardization

• 45 centimetres is approximately 17.7 inches.

  Using the exact conversion that 1 centimetre equals exactly 0.3937007874 inches, the unrounded result is 17.717 inches.