English Levels A1 to C2: CEFR, Cambridge, IELTS Compared

Job postings ask for “B2 minimum” or “C1 required.” Your CV lists a Cambridge certificate from five years ago. A colleague claims to be “advanced” but struggles in meetings. The CEFR framework (Common European Framework of Reference for Languages) is supposed to bring clarity to all of this by dividing language ability into six levels from A1 to C2. These levels are used across Europe and increasingly worldwide.

But what do these levels actually mean in practice? And which level do you genuinely need for your role? Here is a clear, practical guide.

The six CEFR levels explained

A1: Beginner

What you can do:

• Introduce yourself with basic phrases
• Ask and answer simple personal questions (name, nationality, job)
• Understand very slow, clear speech
• Read simple signs and short messages

In a professional context: Not suitable for any role requiring English communication. A1 means you can survive as a tourist, but not function in a workplace.

Equivalent exams: Cambridge A2 Key shows A1 as a stepping stone. Most exams start at A2 or above.

A2: Elementary

What you can do:

• Handle routine tasks and simple conversations
• Describe your daily routine and immediate environment
• Understand the main point of short, clear messages
• Write simple notes and emails on familiar topics

In a professional context: Can handle basic written communication (simple emails, forms) with support. Not ready for meetings, phone calls, or client-facing roles in English.

Equivalent exams: Cambridge A2 Key, IELTS band 3-3.5

B1: Intermediate

What you can do:

• Participate in conversations on familiar topics with reasonable fluency
• Understand the main points of clear speech on work, school, or leisure topics
• Write connected text on familiar subjects
• Handle most situations likely to arise while travelling

In a professional context: Can attend meetings with preparation and follow along if people speak clearly. Can write routine emails. May struggle with spontaneous conversation, technical topics, or fast-paced discussions.

Equivalent exams: Cambridge B1 Preliminary (PET), IELTS band 4-5, TOEFL iBT 42-71

B2: Upper Intermediate

What you can do:

• Interact with native speakers with a reasonable degree of fluency
• Understand the main ideas of complex text in your field
• Produce clear, detailed writing on a wide range of subjects
• Explain a viewpoint on a topical issue, giving advantages and disadvantages

In a professional context: This is the minimum level for most international roles. Can participate actively in meetings, write reports and proposals, handle phone calls, and present with preparation. May still make noticeable errors but communicates effectively.

Equivalent exams: Cambridge B2 First (FCE), IELTS band 5.5-6.5, TOEFL iBT 72-94, Duolingo English Test 100-115

C1: Advanced

What you can do:

• Express yourself fluently and spontaneously without obvious searching for words
• Use language flexibly for social, academic, and professional purposes
• Produce well-structured, detailed writing on complex subjects
• Understand a wide range of demanding, longer texts, including implicit meaning

In a professional context: Handles virtually all professional situations with confidence. Can negotiate, present to large audiences, write complex documents, and manage sensitive conversations. Errors are rare and do not impede communication.

Equivalent exams: Cambridge C1 Advanced (CAE), IELTS band 7-8, TOEFL iBT 95-113, Duolingo English Test 120-135

C2: Mastery

What you can do:

• Understand virtually everything heard or read
• Summarise information from different sources and reconstruct arguments coherently
• Express yourself spontaneously, very fluently, and precisely
• Differentiate finer shades of meaning even in complex situations

In a professional context: Near-native level. Can function in any English-speaking environment without limitation. Rarely needed as a formal requirement. Many native speakers would not test at C2 in all skills.

Equivalent exams: Cambridge C2 Proficiency (CPE), IELTS band 8.5-9, TOEFL iBT 114-120

What level do you actually need?

This is the question that matters most, and the answer depends entirely on your role.

B2 is enough for most jobs

If you need to:

• Participate in international meetings
• Write emails and reports
• Handle phone calls with clients
• Travel for business

B2 is sufficient. Most European companies set B2 as their requirement for international roles, and for good reason. It means you can communicate effectively even if you are not perfect.

C1 is needed for specific roles

If you need to:

• Lead negotiations in English
• Write legal or technical documents
• Manage English-speaking teams
• Present at conferences
• Work in roles where precise language matters (law, finance, diplomacy)

C1 is the target. The gap between B2 and C1 is significant in terms of nuance, flexibility, and independence.

C2 is rarely necessary

Very few roles genuinely require C2. If a job posting asks for C2, they probably mean C1. The distinction between C1 and C2 matters primarily for academic or literary work, not for business communication.

How long does it take to move between levels?

As a rough guide, with regular practice (three to four hours per week):

• A1 to A2: 3-4 months
• A2 to B1: 4-6 months
• B1 to B2: 6-9 months
• B2 to C1: 9-12 months
• C1 to C2: 12-18 months (and many people plateau here)

These timelines vary enormously based on your native language, learning environment, motivation, and how much English you use in daily life.

CEFR and exam score equivalents at a glance

CEFR	Cambridge	IELTS	TOEFL iBT	Duolingo
A2	Key	3-3.5	-	65-85
B1	Preliminary	4-5	42-71	85-100
B2	First	5.5-6.5	72-94	100-115
C1	Advanced	7-8	95-113	120-135
C2	Proficiency	8.5-9	114-120	140-160

A note on digital credentials

The landscape of English certification is evolving. The Duolingo English Test has gained significant acceptance since 2020, with over 5,000 institutions now recognising it. Linguaskill from Cambridge offers quick, AI-scored assessments that many European employers use for recruitment. TOEIC remains widely used for workplace English assessment, particularly in France, Japan, and South Korea.

When choosing which exam to take, consider what your target audience recognises. A Cambridge certificate carries strong weight across Europe. IELTS and TOEFL are standard for university admissions. Duolingo and Linguaskill are increasingly accepted for employment contexts where a quick, reliable assessment is needed.

Key takeaways

• CEFR provides a standardised way to describe language ability across Europe
• B2 is the practical minimum for most international professional roles
• C1 is needed for roles requiring nuanced, high-stakes communication
• C2 is rarely required and often overstated as a job requirement
• Digital assessment options like Linguaskill and Duolingo are expanding access to certification
• Focus on reaching the level your role actually demands, not the highest possible level

Understanding where you are and where you need to be is the first step toward targeted, effective language development.

FAQ

What is the difference between B2 and C1 English?

B2 is the level at which you can hold your own in most professional situations. You can run meetings, write emails, give presentations, and follow standard business conversation, even if some nuance is lost. C1 is the level at which language stops being a barrier. You can negotiate, persuade, handle difficult conversations, and pick up tone and intent. B2 is operational. C1 is fluent.

What CEFR level is considered fluent in English?

Fluency is usually associated with C1 or C2. C1 means you can use English flexibly and effectively for social, academic, and professional purposes, including handling complex topics. C2 is mastery, equivalent to a highly educated native speaker. In practice, most fluent professionals operate at C1. C2 is rarely required for work and is often overstated as a job requirement.

Which English level do I need for work?

For most international roles, B2 is the practical minimum. It lets you function in meetings, emails, and standard business exchanges. Roles that involve negotiation, leadership, persuasion, or technical writing in English typically need C1. Roles that are mostly receptive, such as reading documentation or following written instructions, can work at B1, but speaking and writing become bottlenecks quickly above that threshold.