Lexile ToolsLexile Tools

Lexile Book DatabaseLexile Book Database Lexile AnalyzerLexile Analyzer Lexile CalculatorLexile Calculator Lexile Power VocabularyLexile Power Vocabulary Lexile Reading PathfindersLexile Reading Pathfinders

Lexile CalculatorLexile Calculator

Can forecast comprehensionCan forecast comprehension Identifies the relationship between the reader Identifies the relationship between the reader

and the textand the text Predicts how well the reader will comprehend the Predicts how well the reader will comprehend the

material in the textmaterial in the text Can perform the following calculations:Can perform the following calculations:

The rate at which a student is expected to The rate at which a student is expected to comprehend of the textcomprehend of the text

The reading ability a reader is expected to need The reading ability a reader is expected to need in order to comprehend the text at a specific levelin order to comprehend the text at a specific level

Lexile CalculatorLexile Calculator

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Reader - Text (in Lexiles)

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Lexile CalculatorLexile Calculator

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Reader - Text (in Lexiles)

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Lexile CalculatorLexile Calculator

Formula for the X axis:Formula for the X axis: ReaderReader measure – measure – TextText measure = measure =

LexilesLexiles

Examples:Examples: ReaderReader (1230L) – (1230L) – TextText (890L) = 340 L (890L) = 340 L

ReaderReader (890L) – (890L) – TextText (1230L) = -340 L (1230L) = -340 L

minus

(easy)

(difficult)

Calculation for X AxisCalculation for X Axis

1230

- 890

340

Reader

Text

Lexile difference

890

- 1230

-340

Note: The Lexile difference can be a positive or negative number

ForecastedForecastedComprehension RatesComprehension Rates

Reader measure – text calibration = O LexilesReader measure – text calibration = O Lexiles

75%75% comprehension rate comprehension rate

Reader measure – text calibration = -250 LexilesReader measure – text calibration = -250 Lexiles

50%50% comprehension rate comprehension rate

Reader measure – text calibration = +250 Reader measure – text calibration = +250 LexilesLexiles

90%90% comprehension rate comprehension rate

Lexile CalculatorLexile Calculator

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Access the Lexile Access the Lexile CalculatorCalculator

Click here

Calculating Expected Calculating Expected Comprehension RateComprehension Rate

1. Select grade level

3. Enter Lexile range and Submit

2. Select top button

Forecasted Forecasted ComprehensionComprehension

Blue bar indicates comprehension

range

Titles in Book BagTitles in Book Bag

Scroll down to view Book Bag

Titles

Calculating Required Lexile Calculating Required Lexile Measure for Selected Measure for Selected Comprehension RateComprehension Rate

1. Select grade level

2. Select bottom button

3. Enter comprehension range and Submit

Lexile Measure Required Lexile Measure Required to Meet Comprehension to Meet Comprehension RateRate

Blue bar indicates required Lexile

measure