Hilani MercadanteEnglish lessons

Guide

How long does it take to become fluent in English?

Short answer: according to Cambridge English, it takes approximately 200 guided learning hours (lessons and supervised study) to move up one CEFR level, for example from B1 to B2. With 8 lessons a month and 4 hours of guided study a week, that is about 25 hours a month, or roughly 8 months per level. Your real pace depends on your starting point, your study intensity and your exposure to English outside lessons.

By Hilani Mercadante

Updated 28 September 2026

Cumulative hours per level (from beginner)

CEFR levelCambridge reference examCumulative guided hours (approx.)
A2A2 Key180–200
B1B1 Preliminary350–400
B2B2 First500–600
C1C1 Advanced700–800
C2C2 Proficiency1,000–1,200

Source: Cambridge English, Guided learning hours (accessed 28 September 2026). These are guidelines; each learner may need more or less time.

How long it takes with 4 or 8 lessons a month

ScenarioHours per month (approx.)Months to move up 1 level (≈ 200 h)
4 lessons/month + 2 h/week of guided study≈ 13 h≈ 15–16 months
8 lessons/month + 4 h/week of guided study≈ 25 h≈ 8 months
8 lessons/month + 6 h/week of guided study≈ 34 h≈ 6 months

Calculation: lesson hours per month + weekly study hours × 4.33 weeks; 200 hours ÷ hours per month. A planning estimate, not a guaranteed result.

What speeds it up (or slows it down)

Cambridge English lists four factors that change this time:

  • Language learning background: people who already speak other languages or are already B1/B2 progress differently from complete beginners
  • Intensity: a little every day beats one long session a week
  • Age
  • Study and exposure outside lessons: meetings, reading, series and podcasts in English all count

How to find your starting point

The free 30-minute diagnostic session identifies your CEFR level and ends with a personalized written study plan. With your starting level and goal defined, you can apply the calculation above to your own case.

See also: English for executives · Business English online · English conversation classes · How long to become fluent

Who teaches

Every lesson is taught personally by Hilani Mercadante, an English teacher based in São Paulo, Brazil, and co-author, with Viviane Kirmeliene, of the Brick by Brick textbook series published by FTD Educação (Standfor imprint).

Read Hilani’s story

Frequently asked questions

Frequently asked questions

How many hours does it take to go from B1 to B2?

About 200 guided learning hours, according to Cambridge English: B1 sits at around 350–400 cumulative hours and B2 at around 500–600.

Can I become fluent in English in 3 months?

Moving up a full CEFR level in 3 months is rare: 200 hours in 3 months would mean about 15 hours of study a week. Three months of focused practice can, however, build real confidence for specific situations, such as a presentation or an interview.

Do private lessons shorten this time?

Private lessons concentrate the time on you: more speaking minutes and correction of your own mistakes. Total hours still matter; what changes is how much you get out of each hour.

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Limited places

Your next step in English starts with a conversation.

A complimentary 30-minute diagnostic session, ending with a personalized written study plan. Limited places for new students.