| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 2,214 of 2,214 | 0% | 214 of 214 | 0% | 172 | 172 | 449 | 449 | 65 | 65 | 14 | 14 |
| RubyNKF | | 0% | | 0% | 70 | 70 | 243 | 243 | 9 | 9 | 1 | 1 |
| RubyNKF.NKFCharset | | 0% | n/a | 6 | 6 | 22 | 22 | 6 | 6 | 1 | 1 | |
| Options | | 0% | | 0% | 23 | 23 | 41 | 41 | 9 | 9 | 1 | 1 |
| RubyNKF.MimeConverter | | 0% | | 0% | 12 | 12 | 31 | 31 | 5 | 5 | 1 | 1 |
| RubyNKF.Converter | | 0% | | 0% | 11 | 11 | 37 | 37 | 4 | 4 | 1 | 1 |
| CommandParser | | 0% | | 0% | 11 | 11 | 27 | 27 | 3 | 3 | 1 | 1 |
| Option | | 0% | | 0% | 15 | 15 | 22 | 22 | 11 | 11 | 1 | 1 |
| Command | | 0% | | 0% | 12 | 12 | 16 | 16 | 6 | 6 | 1 | 1 |
| RubyNKF.DefaultConverter | | 0% | n/a | 2 | 2 | 7 | 7 | 2 | 2 | 1 | 1 | |
| RubyNKF.INVOKER.s.2.0.nkf | | 0% | n/a | 2 | 2 | 0 | 0 | 2 | 2 | 1 | 1 | |
| RubyNKF.INVOKER.s.1.0.guess | | 0% | n/a | 2 | 2 | 0 | 0 | 2 | 2 | 1 | 1 | |
| RubyNKF.INVOKER.s.1.0.guess2 | | 0% | n/a | 2 | 2 | 0 | 0 | 2 | 2 | 1 | 1 | |
| RubyNKF.INVOKER.s.1.0.guess1 | | 0% | n/a | 2 | 2 | 0 | 0 | 2 | 2 | 1 | 1 | |
| NKFLibrary | 0% | n/a | 2 | 2 | 3 | 3 | 2 | 2 | 1 | 1 |