UNIT INDEX

    What does 13 centimetres look like?

    13 cm across 2 Credit Cards

    How long is 13 centimetres?

    The sourced comparisons below place 13 centimetres alongside recognizable real-world dimensions from several categories.

    13-Centimetre Distance Comparisons

    • Measured against the long edge of an ISO ID-1 payment card, 13 centimetres spans about 1.5 times that reference.

      Its published measurement is 8.56 centimetres; the ratio is calculated from that figure.

      Source: International Organization for Standardization

    • Measured against the short side of an A5 sheet, 13 centimetres spans about 88% of that reference.

      Using the source measurement of 14.8 centimetres, this comparison puts the target at 88% of it.

      Source: International Organization for Standardization

    • 13 centimetres is about 88% of the long side of a €100 note.

      Its published measurement is 14.7 centimetres; the ratio is calculated from that figure.

      Source: European Central Bank

    • Measured against the minimum diameter of a tennis ball, 13 centimetres spans about 2 times that reference.

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

      Source: International Tennis Federation

    • For scale, 13 centimetres is about 88% of the long side of an A6 sheet.

      Its published measurement is 14.8 centimetres; the ratio is calculated from that figure.

      Source: International Organization for Standardization

    • Measured against the height of a table-tennis net, 13 centimetres spans about 85% of that reference.

      Using the source measurement of 15.25 centimetres, this comparison puts the target at 85% of it.

      Source: International Table Tennis Federation

    • Measured against the long side of a €200 note, 13 centimetres spans about 85% of that reference.

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

      Source: European Central Bank

    • 13 centimetres is approximately 5.1 inches.

      Using the exact conversion that 1 centimetre equals exactly 0.3937007874 inches, the unrounded result is 5.118 inches.

    Reference measurements are rounded where appropriate, and naturally variable objects are described as approximate, typical, or maximum sizes.