Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Accent Training Progress Calculator

Estimate the number of days needed to reach your pronunciation accuracy goal based on your current level, practice intensity, training method, and how phonologically distant your native language is from the target. Best for language learners and speech coaches planning training programs.

Current Pronunciation Accuracy

Target Pronunciation Accuracy

Daily Practice Time (minutes)

Training Method

Native Language Distance

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.

Unique Words (Types) (types)

Total Words (Tokens) (tokens)

Fill in the required fields to see your result.

Key differences

	Accent Training Progress Calculator	Lexical Diversity Index Calculator
Category	Language	Language
Inputs required	5	2
Result	Days to Target Accuracy (days)	Lexical Diversity (%)
What it does	Estimate the number of days needed to reach your pronunciation accuracy goal based on your current level, practice intensity, training method, and how phonologically distant your native language is from the target. Best for language learners and speech coaches planning training programs.	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.