HSK Atlas
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HSK vocabulary comparison tool

Compare any six-level HSK list with the official HSK 3.0 syllabus. Choose cumulative or introduced-at-level mode, then inspect shared, source-only and target-only headwords.

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Written by Lucas · Founder of HSK Atlas

Published · Updated

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How the comparison is calculated

HSK Atlas compares unified simplified headword entities. “Cumulative” includes the selected level and all lower levels. “Introduced” uses only the first assignment at the selected level.

  • Target coverage = shared headwords ÷ target headwords.
  • Jaccard similarity = shared headwords ÷ the union of both lists.
  • Source only and target only describe these selected lists; they do not mean an official deletion.
  • One unified headword can contain several dictionary senses. The comparison is not a sense-by-sense equivalence claim.