What do Fountas & Pinnell letters mean?

Books are placed on a gradient from A (earliest readers) to Z+ (mature middle-school text). Each step up adds complexity in vocabulary, sentence structure, layout, and themes. Roughly three to four letters correspond to one school grade.

What's the difference between instructional and independent levels?

An instructional level is where a child reads with teacher support during guided reading—typically 90–94% accuracy. An independent level, usually a letter or two below, is where they can read comfortably alone. For home reading, the independent level is the better target.

Why don't books print their F&P level on the cover?

Fountas & Pinnell themselves discourage it—the levels were designed as a teaching tool for matching instruction, not as labels for children or shelves. That's also why published level lists vary slightly between sources.

How do F&P levels compare to Lexile or ATOS?

F&P levels are assigned by trained judgment across ten text factors, while Lexile and ATOS are computed formulas—so any crosswalk is approximate. The chart on this page shows the commonly used alignment, grade by grade.

Books by Fountas & Pinnell level

From level A to Z+, in plain English.

Fountas & Pinnell's Text Level Gradient is the letter system behind guided reading—the one that comes home as “she's reading at level J.” Find the letters your classroom uses below, and we'll turn them into books.

Scale: A–Z+
Level comes from: Teacher assessment
Per grade: ~3–4 letters

Pick a range

Letter ranges by grade

Each band covers the letters a typical reader moves through in that grade. We translate your pick to the matching Lexile range—the level data behind Bookroo's filters—so expect a close match rather than an exact one.

A–CKindergartenAges 5–6 C–I1st gradeAges 6–7 I–M2nd gradeAges 7–8 M–P3rd gradeAges 8–9 P–S4th gradeAges 9–10 S–V5th gradeAges 10–11 V–Y6th gradeAges 11–12 Y–Z7th gradeAges 12–13 Z–Z+8th gradeAges 13–14 Z+9th–12th gradeAges 14+

How F&P works

Leveled by judgment, not formula

Unlike Lexile and ATOS, the gradient is built on trained human evaluation—which is both its strength and why conversions are approximate.

Books get a letter

Levelers weigh ten text characteristics—vocabulary, sentence complexity, layout and print features, themes, illustration support, and more—to place each book from A to Z+. A picture book and a chapter book can land on the same letter for different reasons.

Readers are benchmarked

Teachers sit with a child one-on-one, using running records or the Benchmark Assessment System, to find the level where the child reads with about 90–94% accuracy and solid comprehension. That becomes their instructional level for guided reading.

It's a teaching tool

The letters were designed to match books to instruction—not to define a reader. For home reading, drop a letter or two below the classroom level, and let interest lead: a child devouring books slightly below level is exactly the goal.

Translate between systems

How F&P compares

A letter from the classroom, a Lexile from the state test, an ATOS zone from AR—here's how the scales line up, grade by grade.

Grade level	Lexile	ATOS	Fountas & Pinnell	Browse books
Kindergarten	BR40L–230L	0.0–1.0	A–C	Browse
1st grade	190L–530L	1.0–1.9	C–I	Browse
2nd grade	420L–650L	2.0–2.9	I–M	Browse
3rd grade	520L–820L	3.0–3.9	M–P	Browse
4th grade	740L–940L	4.0–4.9	P–S	Browse
5th grade	830L–1010L	5.0–5.9	S–V	Browse
6th grade	925L–1070L	6.0–6.9	V–Y	Browse
7th grade	970L–1120L	7.0–7.9	Y–Z	Browse
8th grade	1010L–1185L	8.0–8.9	Z–Z+	Browse
9th–12th grade	1050L–1385L	9.0+	Z+	Browse

Ranges follow published grade-level charts for each system and overlap on purpose—readers rarely sit inside one tidy box. Bookroo's level filters run on Lexile measures, so ATOS and Fountas & Pinnell ranges are translated to their closest Lexile equivalents when you browse.

Good to know

Common F&P questions

What do Fountas & Pinnell letters mean?: Books are placed on a gradient from A (earliest readers) to Z+ (mature middle-school text). Each step up adds complexity in vocabulary, sentence structure, layout, and themes. Roughly three to four letters correspond to one school grade.
What's the difference between instructional and independent levels?: An instructional level is where a child reads with teacher support during guided reading—typically 90–94% accuracy. An independent level, usually a letter or two below, is where they can read comfortably alone. For home reading, the independent level is the better target.
Why don't books print their F&P level on the cover?: Fountas & Pinnell themselves discourage it—the levels were designed as a teaching tool for matching instruction, not as labels for children or shelves. That's also why published level lists vary slightly between sources.
How do F&P levels compare to Lexile or ATOS?: F&P levels are assigned by trained judgment across ten text factors, while Lexile and ATOS are computed formulas—so any crosswalk is approximate. The chart on this page shows the commonly used alignment, grade by grade.

Speak your school's language

Prefer a different system?

Pre-K–12thGrade levelNo score needed—browse by the grade your child is in right now.Explore Grade levels BR–1385LLexileThe scale behind most school assessments—and Bookroo's deepest level data.Explore Lexile levels 0.0–13.0+ATOSThe grade-decimal scale used by Accelerated Reader and STAR testing.Explore ATOS levels

From level A to Z+, in plain English.

Letter ranges by grade

Leveled by judgment, not formula

Books get a letter

Readers are benchmarked

It's a teaching tool

How F&P compares

Common F&P questions

Prefer a different system?

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