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Calcimator

Headband Length Calculator

Endbands material from spine width.

Inputs

%

Results

Total length needed (cm)

5.5

Total length (inches)2.2
Per headband (mm)25
Per book (mm)50
Total length (meters)0.06
Thread per color (cm)0
Type NamePre-made ribbon
How to Use This Calculator
  1. Enter the book spine width in millimeters — use the Book Block Calculator to find this value.
  2. Select the headband type: pre-made ribbon (sold by the meter) or hand-sewn woven endband.
  3. Enter the number of books to calculate total headband material.
  4. Set the waste allowance percentage to account for trimming and cutting errors (10% is a safe default).
  5. Read the total length in cm, inches, and meters — purchase ribbon in the nearest convenient quantity.
  6. For hand-sewn headbands, use the thread per color output to prepare the correct thread lengths.
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