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English Vocabulary Size Test

Find out exactly how many English words you know, in about 2 minutes.

Get it on Google Play
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What it does

Take a short, research-based test and find your real English vocabulary size, along with the CEFR level it corresponds to. Then keep growing: words you miss go into a personal review deck and come back at the right time with spaced repetition. It’s handy before exams, job interviews or language courses, or just to track your own progress over time.

Highlights

  • Precise vocabulary size: based on a standardized sampling method with non-word detection
  • CEFR level mapping: from A1 Beginner to C2 Proficiency
  • Learn English words with pictures: a Picture Quiz with friendly illustrations across dozens of topics
  • Spaced repetition: missed words enter a review deck, scheduled for long-term retention
  • Word of the Day: pronunciation, definition, and examples
  • Track progress: charts, history, and per-level breakdowns
  • Streaks, XP & levels: keep a consistent learning habit
  • 16 interface languages: English, Spanish, Russian, Polish, German, French, Japanese, Hindi and more
  • Offline: works without an internet connection, no account required

Made for

  • IELTS, TOEFL, TOEIC, PTE, Cambridge, SAT and GRE exam prep
  • Beginners learning English words with pictures from A1
  • Self-assessment before language courses
  • A quick confidence check before an interview
  • Anyone curious how their vocab compares to native speakers

Try it on the web first

Run the free English vocabulary size test in your browser: same sampling method, same CEFR mapping, no install. Browse the word lists by CEFR level to see which words sit where. Or play the picture memory game, which matches illustrated pairs across four themes, the same picture-learning idea as the app’s Picture Quiz.

Curious about the numbers? Read how many English words the average person knows.

Frequently asked questions

How many English words do I know?
The test estimates your receptive vocabulary size using a standardized sampling method with non-word detection, so you get an accurate word-count estimate in a few minutes.
What CEFR level am I?
Your result is mapped to a CEFR level from A1 Beginner to C2 Proficiency, so you can see exactly where you stand and compare with learners worldwide.
How accurate is the vocabulary test?
It uses a research-backed sampling methodology and includes non-word detection to stop you guessing your way to a higher score, which keeps the estimate reliable.
Can I learn English words with pictures?
Yes. The Picture Quiz teaches and reviews vocabulary with clear illustrations across dozens of topics, from animals and food to travel, jobs and nature, so beginners and visual learners remember words faster than from text alone.
Which exams does it help with?
It focuses on the high-frequency and academic words that matter for IELTS, TOEFL, TOEIC, PTE, Cambridge, SAT and GRE prep.
Is the test free?
Yes, the core test and your CEFR result are free. An optional upgrade removes ads and unlocks unlimited reviews and full history.
Does it work offline and what languages is it in?
The test and your review deck work offline with no account. The interface is available in 16 languages, including English, Spanish, Russian, Polish, German, French, Japanese, Hindi and more.