Work out plagiarism similarity percentage instantly with clear inputs, formula shown and shareable results.
A raw similarity index counts every matching string including correctly cited quotations, references and standard phrases, so it always overstates concern. 420 matched words in 6000 is 7% raw, but excluding 180 properly quoted words gives 4% adjusted. No threshold proves misconduct - the passages must be read.
Raw similarity
raw = matched words / total words x 100
Adjusted similarity
adjusted = (matched - properly quoted) / total x 100
No. A 30% index of correctly cited material is fine while a 4% index containing one stolen paragraph is not. The number is a pointer, not a verdict.
Because reference lists match other papers citing the same works. Most tools can exclude them, and doing so is standard practice.