Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Language
Bilingual Proficiency Score Calculator
Compute an overall bilingual proficiency score as the simple average of speaking, listening, reading, and writing scores. A first-pass aggregate metric for tracking your own progress or comparing across the four language skills.
Fill in the required fields to see your result.
Language
Lexical Diversity Index Calculator
Measures the richness of vocabulary in a text by calculating the Type-Token Ratio (TTR). Use it when analyzing essays, transcripts, or language samples for linguistic research or readability assessment.
Fill in the required fields to see your result.
Key differences
| Bilingual Proficiency Score Calculator | Lexical Diversity Index Calculator | |
|---|---|---|
| Category | Language | Language |
| Inputs required | 4 | 2 |
| Result | Overall Proficiency (%) | Lexical Diversity (%) |
| What it does | Compute an overall bilingual proficiency score as the simple average of speaking, listening, reading, and writing scores. A first-pass aggregate metric for tracking your own progress or comparing across the four language skills. | Measures the richness of vocabulary in a text by calculating the Type-Token Ratio (TTR). Use it when analyzing essays, transcripts, or language samples for linguistic research or readability assessment. |