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Calcimator

Reed Selection Calculator

Correct reed dent from sett and threading pattern.

Inputs

Results

Recommended reed (dent/inch)

4

Ends per dent

3

Actual EPI12
EPI deviation %0
Total dents used80
Total warp ends248
How to Use This Calculator
  1. Enter your target ends per inch (EPI) for the project's warp sett.
  2. Enter the total warp width in inches on the loom.
  3. Enter the number of extra selvedge ends per side for edge durability.
  4. Read the recommended reed size (dents per inch) and the number of ends to thread per dent.
  5. If the ends-per-dent is fractional, alternate between denting patterns — for example, alternate 1 and 2 ends per dent.
  6. Check the actual EPI and EPI deviation to verify the reed choice meets your sett target.
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