Dimensions of A Series Paper Sizes

The dimensions of the A series paper sizes are detailed according to the ISO 216 standard, which can be found in the accompanying table below the diagram. These dimensions are presented in both millimeters and inches, allowing for quick conversion to centimeters by simply dividing the millimeter value by 10. The A Series paper size chart, positioned below to the left, provides a visual representation illustrating the relationship between different sizes. For instance, an A5 sheet is precisely half the size of an A4 sheet, and similarly, an A2 sheet is half the size of an A1 sheet. This systematic halving continues throughout the series, demonstrating a logical and standardized approach to paper sizing that facilitates easy scaling between different dimensions for various applications.

A series paper sizes
Source: Wikipedia

Table of Paper Sizes From 4A0 to A10

mm – inches – μm – cm – m

SizeWidth x Height (mm)Width x Height (in)Width x Height ( μm )Width x Height ( cm )Width x Height (m)
4A01682 x 2378 mm66.2 x 93.6 in1682000 x 2378000 μm168.2 x 237.8 cm1.682 x 2.378 m
2A01189 x 1682 mm46.8 x 66.2 in1189000 x 1682000 μm118.9 x 168.2 cm1.189 x 1.682 m
A0841 x 1189 mm33.1 x 46.8 in841000 x 1189000 μm84.1 x 118.9 cm0.841 x 1.189 m
A1594 x 841 mm23.4 x 33.1 in594000 x 841000 μm59.4 x 84.1 cm0.594 x 0.841 m
A2420 x 594 mm16.5 x 23.4 in420000 x 594000 μm42.0 x 59.4 cm0.420 x 0.594 m
A3297 x 420 mm11.7 x 16.5 in297000 x 420000 μm29.7 x 42.0 cm0.297 x 0.420 m
A4210 x 297 mm8.3 x 11.7 in210000 x 297000 μm21.0 x 29.7 cm0.210 x 0.297 m
A5148 x 210 mm5.8 x 8.3 in148000 x 210000 μm14.8 x 21.0 cm0.148 x 0.210 m
A6105 x 148 mm4.1 x 5.8 in105000 x 148000 μm10.5 x 14.8 cm0.105 x 0.148 m
A774 x 105 mm2.9 x 4.1 in74000 x 105000 μm7.4 x 10.5 cm0.074 x 0.105 m
A852 x 74 mm2.0 x 2.9 in52000 x 74000 μm5.2 x 7.4 cm0.052 x 0.074 m
A937 x 52 mm1.5 x 2.0 in37000 x 52000 μm3.7 x 5.2 cm0.037 x 0.052 m
A1026 x 37 mm1.0 x 1.5 in26000 x 37000 μm2.6 x 3.7 cm0.026 x 0.037 m

To convert paper sizes to centimeters, you can simply divide the millimeter values by 10. Similarly, to determine the size in feet, divide the inch values by 12. This straightforward conversion method allows for an easy calculation across different units of measurement, ensuring that you can quickly adapt dimensions to suit various needs, whether for academic, professional, or personal use.

4A0 & 2A0 – The DIN 476 Oversize Formats

The 4A0 and 2A0 paper sizes, which are larger than the standard A0, are not officially recognized by ISO 216 but are frequently used for oversized documents. These formats have their roots in the German DIN 476 standard, which served as the foundational document for the ISO 216 standard. The size 2A0 is occasionally referred to as A00; however, this nomenclature is not applied to the 4A0 size. These oversized formats are commonly utilized in applications requiring large-scale printing, such as architectural plans and detailed large-format diagrams.

Inches – Yards – Thou – Feet

SizeInchesYardsThouFeet
4A066.220 x 93.622 in1.839 x 2.601 yd66220 x 93622 th5.518 x 7.802 ft
2A046.811 x 66.220 in1.300 x 1.839 yd46811 x 66220 th3.901 x 5.518 ft
A033.110 x 46.811 in0.920 x 1.300 yd33110 x 46811 th2.759 x 3.901 ft
A123.388 x 33.110 in0.650 x 0.920 yd23388 x 33110 th1.949 x 2.759 ft
A216.535 x 23.388 in0.459 x 0.650 yd16535 x 23388 th1.378 x 1.949 ft
A311.693 x 16.535 in0.325 x 0.459 yd11693 x 16535 th0.974 x 1.378 ft
A48.268 x 11.693 in0.230 x 0.325 yd8268 x 11693 th0.689 x 0.974 ft
A55.827 x 8.268 in0.162 x 0.230 yd5827 x 8268 th0.486 x 0.689 ft
A64.134 x 5.827 in0.115 x 0.162 yd4134 x 5827 th0.344 x 0.486 ft
A72.913 x 4.134 in0.081 x 0.115 yd2913 x 4134 th0.243 x 0.344 ft
A82.047 x 2.913 in0.057 x 0.081 yd2047 x 2913 th0.171 x 0.243 ft
A91.457 x 2.047 in0.040 x 0.057 yd1457 x 2047 th0.121 x 0.171 ft
A101.024 x 1.457 in0.028 x 0.040 yd1024 x 1457 th0.085 x 0.121 ft

Pica – Point – HPGL

SizePicaPointHPGL
4A0397.3 x 561.74768 x 674167280 x 95120
2A0280.9 x 397.33370 x 476847560 x 67280
A0198.7 x 280.92384 x 337033640 x 47560
A1140.3 x 198.71684 x 238423760 x 33640
A299.2 x 140.31191 x 168416800 x 23760
A370.2 x 99.2842 x 119111880 x 16800
A449.6 x 70.2595 x 8428400 x 11880
A535.0 x 49.6420 x 5955920 x 8400
A624.8 x 35.0298 x 4204200 x 5920
A717.5 x 24.8210 x 2982960 x 4200
A812.3 x 17.5147 x 2102080 x 2960
A98.7 x 12.3105 x 1471480 x 2080
A106.1 x 8.774 x 1051040 x 1480

The ISO 216 Standard for Paper Sizes

The international standard for paper sizes, known as ISO 216, is a widely recognized and adopted system that plays a crucial role in various industries and applications worldwide. This standard, developed by the International Organization for Standardization (ISO), provides a comprehensive framework for defining the dimensions of standardized paper formats, ensuring consistency, compatibility, and efficiency in paper-based processes.

The foundation of the ISO 216 standard is the A series of paper sizes, which forms the primary set of dimensions. However, the standard also includes the complementary B series and C series, each serving a specific purpose and catering to different needs.

The Importance of the ISO 216 Standard

The ISO 216 standard for paper sizes has become a globally recognized and widely adopted system, with its principles and dimensions used in various industries and applications worldwide. This standardization provides numerous benefits, including:

  1. Compatibility and Interoperability: The ISO 216 standard enables seamless integration and exchange of documents across different devices, software, and workflows, as it ensures compatibility of paper-based materials.
  2. Efficiency in Printing and Document Handling: The consistent aspect ratio and progressive doubling of dimensions in the A series, B series, and C series facilitate efficient printing, copying, scanning, and document management.
  3. Cost Optimization: The standardized paper sizes allow for the optimization of paper usage, storage, and transportation, ultimately reducing costs and waste.
  4. Global Harmonization: The widespread adoption of the ISO 216 standard fosters global harmonization in paper-based processes, enabling seamless collaboration and communication across different regions and industries.
  5. Historical Significance: The ISO 216 standard builds upon the early efforts of pioneers in the field of paper standardization, such as the German bookbinder Georg Christoph Lichtenberg, who proposed the concept of standardized paper sizes in the late 18th century.

The ISO 216 standard continues to be an essential tool in the digital age, as it provides a common language and framework for managing paper-based workflows, despite the increasing digitization of various processes. Its adaptability and relevance have ensured its enduring significance in the ever-evolving world of document management and communication.