Overview
Floating ORF calculator panel — inject over any page so you can see a student's reading passage and score at the same time.
Calculate oral reading fluency in seconds. The Literacy Arcade ORF Fluency Calculator gives teachers, tutors, and reading interventionists a fast, classroom-ready way to measure oral reading fluency. Click the toolbar button and the tool opens in a new tab — no setup, and no login required to use it. What you can do: - Calculate words correct per minute (WCPM) and reading accuracy - Use the built-in timer for live reads, or enter the time manually - Compare scores to Hasbrouck & Tindal Oral Reading Fluency Norms by grade and season - See an at-a-glance benchmark range (below / developing / strong) - Print a clean student report Built on the science of reading by a reading researcher with a Ph.D. in Reading Education, to support real classroom, intervention, and tutoring use. This extension is a quick launcher: it opens the calculator at literacyarcade.com, so you always get the newest version. It requests no permissions and collects no data. Learn more at https://literacyarcade.com
Details
- Version2.0.0
- UpdatedJune 26, 2026
- Size91.62KiB
- LanguagesEnglish
- DeveloperChelsea WarnerWebsite
401 Dove Creek Dr Round Rock, TX 78664-5917 USEmail
chelseaherndon@me.comPhone
+1 205-447-0653 - TraderThis developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
Privacy
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
Support
For help with questions, suggestions, or problems, visit the developer's support site
