What Size Is A2


What Size Is A2

Paper sizes can be quite confusing, especially if you’re not familiar with the different standards and dimensions. One commonly used paper size is A2, which falls under the ISO 216 standard. If you’ve ever wondered what size A2 actually is, this guide is here to help.

A2 paper measures 420 × 594 millimeters or 16.5 × 23.4 inches. It is exactly half the size of A1 paper and twice the size of A3 paper. A2 is often used for posters, architectural drawings, and other large-format prints.

What makes the ISO 216 standard unique is its aspect ratio. All sizes in the A series have the same aspect ratio of 1:√2. This means that if you fold an A2 sheet in half, you will get two A3 sheets with the same proportions. This aspect ratio makes it easy to scale documents between different sizes in the A series.

It’s worth noting that A2 paper is not the only size available. The ISO 216 standard includes a range of sizes from A0 (the largest) to A10 (the smallest). Each size is precisely defined and has its own set of dimensions. Understanding paper sizes can be useful for various projects and can help you choose the right paper size for your needs.

Understanding Paper Sizes

Understanding paper sizes is essential when it comes to choosing the right paper for various purposes. From standard letter-sized paper to larger formats used for posters or architectural plans, each size has a specific purpose and application.

In most countries, paper sizes are based on the ISO 216 standard, which defines a series of A, B, and C paper sizes. The most commonly used series is the A series, which ranges from A0 to A10, with each size being half the area of the previous one. The A0 size is the largest, measuring 841 x 1189 millimeters, while the smallest A10 size is 26 x 37 millimeters.

Another common paper size series is the B series, which is based on the geometric mean of the A series. The B series starts with the largest size, B0, which measures 1000 x 1414 millimeters. Just like the A series, each size in the B series is half the area of the previous one.

The C series, on the other hand, is used primarily for envelopes and folders. The C series sizes are defined by taking the geometric mean of the A and B series. The most commonly used size is C4, which fits an unfolded A4 paper. The largest C series size is C0, measuring 917 x 1297 millimeters.

Understanding paper sizes can be particularly important when it comes to printing and designing. By choosing the appropriate paper size, you can ensure that your documents, prints, or designs will fit correctly and look professional. Whether you’re creating brochures, flyers, or business cards, knowing the right paper size will make a significant difference in the overall presentation.

In addition to the ISO 216 standard, there are also other paper size systems used in different parts of the world. For example, North America uses the ANSI/ASME Y14.1 paper size standard, which includes sizes like Letter (8.5 x 11 inches) and Legal (8.5 x 14 inches).

ISO Paper Sizes – A Series Dimensions (Millimeters)
A0 841 x 1189
A1 594 x 841
A2 420 x 594
A3 297 x 420
A4 210 x 297
A5 148 x 210
A6 105 x 148
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Standard Paper Sizes

Standard paper sizes refer to the commonly used dimensions for sheets of paper. These sizes are widely adopted and recognized across different industries and countries. The International Organization for Standardization (ISO) has established a series of standard paper sizes known as the ISO 216 standard.

The most commonly used standard paper sizes are A4, A5, and A6:

Paper Size Dimensions (mm) Dimensions (inches)
A4 210 x 297 8.3 x 11.7
A5 148 x 210 5.8 x 8.3
A6 105 x 148 4.1 x 5.8

The A4 size is the most commonly used paper size in many countries and is used for various applications such as printing documents, letters, and reports. A5 is half the size of A4, and A6 is half the size of A5. These smaller sizes are often used for creating flyers, notepads, and other smaller printed materials.

In addition to the A series, there are also other standard paper sizes such as B series and C series. These sizes are often used for specific purposes, such as posters, envelopes, and folders. The proportions of these sizes are based on the square root of 2, which allows for easy scaling and proportionate resizing.

While the A series is the most widely used standard paper sizes, it is important to note that there are variations in paper sizes across different regions. For example, in North America, the Letter size (8.5 x 11 inches) is commonly used. Therefore, it is advisable to check the specific paper size requirements for your region or application to ensure compatibility.

In conclusion, standard paper sizes provide uniformity and ease of use in various industries and applications. Whether you are printing documents, creating flyers, or designing posters, understanding the standard paper sizes can help you choose the right dimensions for your specific needs.

International Paper Sizes

International paper sizes are a standardized system used in many countries around the world. The most commonly used size is A4, which measures 210mm × 297mm (8.27 inches × 11.69 inches). It is used for various purposes such as printing documents, magazines, and letters.

The A4 size is part of the A series of paper sizes, which was originally introduced by the German DIN (Deutsches Institut für Normung) in the 1920s. The A series includes sizes A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, and A10. Each size is half the size of the previous size.

For example, the A3 size is twice the size of A4, while A2 is twice the size of A3, and so on. This system allows for easy scaling and resizing of documents without losing the aspect ratio.

Another commonly used size is the B series, which includes sizes B0, B1, B2, B3, B4, B5, B6, B7, B8, B9, and B10. These sizes are slightly larger than their corresponding A series sizes and have a different aspect ratio.

The C series of paper sizes is used for envelopes and other items that require a specific size and shape. The most commonly used size in the C series is C4, which measures 229mm × 324mm (9.02 inches × 12.76 inches).

Size Dimensions (mm) Dimensions (inches)
A0 841 × 1189 33.11 × 46.81
A1 594 × 841 23.39 × 33.11
A2 420 × 594 16.54 × 23.39
A3 297 × 420 11.69 × 16.54
A4 210 × 297 8.27 × 11.69
A5 148 × 210 5.83 × 8.27

These are just a few examples of the paper sizes that are used internationally. The dimensions of each size may vary slightly in different countries, but the aspect ratio remains the same. Understanding these sizes can be helpful when it comes to printing, designing, or working with documents that need to be scaled or resized.

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A2 Paper Dimensions

The A2 paper size is a widely used standard for various purposes, including posters, architectural drawings, and artwork. It is part of the ISO 216 standard, which defines the dimensions for the A series paper sizes.

The A2 paper size measures 420 millimeters by 594 millimeters, or approximately 16.5 inches by 23.4 inches. It has an aspect ratio of 1:√2, meaning that it retains the same proportions as the A0 size, but at a smaller scale.

When folded in half, an A2 sheet will result in two A3 sheets. Similarly, folding an A2 sheet in half twice will yield four A4 sheets.

The A2 size is larger than A3 and smaller than A1. It provides ample space for visual elements and text, making it ideal for creating eye-catching designs and large-scale prints. Many printing services and design software support the A2 size, allowing for easy production and formatting.

In addition to its use for posters and artwork, the A2 size is also commonly used for architectural plans, diagrams, and technical drawings. Its dimensions provide enough room to display detailed information while remaining manageable in size.

  • Dimensions: 420 mm x 594 mm
  • Aspect Ratio: 1:√2
  • Equivalent to two A3 sheets when folded in half

Overall, the A2 paper size offers a versatile and practical option for a variety of projects. Whether you need to create an attention-grabbing poster or produce detailed architectural plans, the A2 size provides an ideal canvas for your work.

Common Uses for A2 Paper

A2 paper has a variety of uses in different industries and creative fields. Its large size makes it ideal for projects that require a lot of space and detail. Here are some common uses for A2 paper:

Art and Design

A2 paper is commonly used by artists and designers for sketching, drawing, and creating detailed illustrations. Its large size allows artists to work on bigger projects and capture intricate details.

Architecture and Engineering

Architects and engineers often use A2 paper for designing blueprints, floor plans, and technical drawings. The larger surface area provides enough space to include all the necessary measurements and annotations.

Posters and Presentations

A2 paper is commonly used for creating posters and presentations, as its size allows for bold visual elements and easy readability at a distance. It is often used for advertising, conference presentations, and educational displays.

Maps and Charts

Maps and Charts

A2 paper is frequently used for creating maps and charts. Its larger size allows cartographers, geographers, and researchers to include more information and detail in their visual representations.

Photography and Printing

A2 paper is used in photography and printing for producing high-quality prints and enlargements. Its large size allows for detailed reproduction and accurate color representation.

These are just a few examples of the many common uses for A2 paper. Its versatility and ample space make it a popular choice in various creative and professional settings.

Advantages of A2 Paper

A2 paper, measuring 420mm x 594mm, offers several advantages in various applications. Here are some key benefits:

1. Versatility: A2 paper provides enough space for creating detailed drawings, sketches, and diagrams. It offers flexibility in terms of layout and design, making it a popular choice for artists, architects, and designers.

2. Easy Handling: A2 paper is larger than standard sizes like A4 and A3, but it is still manageable to handle. It is not too large to be unwieldy, making it convenient for both printing and drawing purposes.

3. Enhanced Visual Impact: The larger size of A2 paper allows for more impactful presentations. It offers increased visibility and can easily capture attention, making it ideal for presentations, posters, and displays.

4. Professional Appearance: Using A2 paper gives a more professional and polished look to printed materials. It is often used for business presentations, promotional materials, and portfolios, lending an air of sophistication to any document.

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5. Reduced Need for Scaling: With A2 paper, there is a reduced need for scaling down content or splitting it across multiple pages. This saves time and ensures that the original design or layout is maintained, providing a better user experience.

6. Compatibility with Printers: Many printers and copiers support A2 paper size. This allows for easy printing without the need for manual adjustments or resizing, making it a convenient choice for professional printing purposes.

Overall, A2 paper offers numerous advantages in terms of flexibility, visual impact, ease of handling, and professional appearance. Its size makes it a versatile option for various creative and business applications.

Choosing the Right Paper Size

When it comes to choosing the right paper size for your project, there are several factors to consider. The size of the paper can greatly impact the overall look and feel of your design, as well as how it will be displayed or printed.

One of the most common paper sizes is A4, which is the standard size for most documents, including letters, resumes, and reports. This size is versatile and widely used, making it a safe choice for many applications.

However, if you need a larger format, you may want to consider A3 or A2 paper sizes. A3 is twice the size of A4, and A2 is twice the size of A3. These larger sizes can be beneficial for posters, banners, and other visual displays.

Another factor to consider is the aspect ratio of the paper size. The aspect ratio is the ratio of the width to the height of the paper. Some paper sizes, like A4 and A3, have a standard 1:√2 aspect ratio, which allows for easy scaling and resizing.

On the other hand, A2 has a different aspect ratio of 1:√2 × 2, which means it is more elongated compared to A4 and A3. This elongated shape can be advantageous for certain types of designs, such as landscape-oriented artwork or architectural renderings.

Finally, consider the availability of the paper size you choose. While A4 is widely available and easily accessible, A3 and A2 paper sizes may be less common and more expensive. It’s important to factor in the cost and feasibility of obtaining the desired paper size for your project.

In conclusion, choosing the right paper size involves considering factors such as the purpose of your project, the desired aspect ratio, and the availability of the paper size. By carefully evaluating these factors, you can select a paper size that best suits your needs and enhances the overall presentation of your design.


What are the dimensions of A2?

The dimensions of A2 are 420mm x 594mm or 16.5″ x 23.4″.

Is A2 bigger than A3?

Yes, A2 is bigger than A3. A2 measures 420mm x 594mm, while A3 measures 297mm x 420mm.

What is the aspect ratio of A2?

The aspect ratio of A2 is 1:√2, which means that it is twice as long as it is wide.

What is A2 paper used for?

A2 paper is commonly used for posters, architectural drawings, and artwork.

Can I print A2 paper on a standard printer?

It depends on the capabilities of your printer. Some printers can handle larger paper sizes, while others are limited to standard sizes like A4. Check your printer’s specifications to see if it can print A2 paper.

What are the dimensions of an A2 paper?

An A2 paper measures 420 mm x 594 mm, or 16.5 inches x 23.4 inches.

Is A2 paper larger than A3?

Yes, A2 paper is larger than A3. A2 measures 420 mm x 594 mm, while A3 measures 297 mm x 420 mm.