1. This guide introduces you to various standard paper sizes used for printed materials.

    When crafting designs for these dimensions, please be aware that we need an artwork file slightly larger to account for the bleed area around the borders.

    For guidance on setting this up, refer to our tutorial on establishing the correct bleed area.

    To maintain optimal image clarity for larger prints, ensure that your artwork file has the necessary size and resolution. For detailed advice on this, consult our resource on optimizing resolution for larger printed items.

  1. ISO 216 Standard Overview

    ISO 216 is the recognized international standard for defining paper sizes. This system delineates three principal sets of paper dimensions, categorized as the "A", "B", and "C" series.

    A series

    A4: This size is perhaps the most globally recognized and widely used paper dimension. It serves as the benchmark for other sizes in the A series.

    Scaling: The sizes in the A series follow a logical progression:

    A5: Half the size of A4
    A6: Half the size of A5
    ...and so forth.

    On the other hand:

    A3: Twice the size of A4, and the pattern continues upwards.

    A0: This is the grandest size in the A series, measuring 841 x 1189mm. The sizes progress in a way that every time you halve the paper, you get the next size down in the series.

    For designers, printers, and consumers, understanding the ISO 216 standard is essential for consistent and precise printing across different platforms and countries.

    • Solopress - Document - Size - Guide - A - Series

  1. A Series Strip Sizes Overview

    Apart from the standard dimensions defined by ISO 216, there are also widely accepted sizes for A series sheets that have been folded horizontally into three sections. These have gained popularity in various applications and are commonly referred to as "strip sizes."

    For instance:

    • A4 Strip: When an A4 sheet is divided into three equal horizontal parts, each section measures 420 x 148mm.

    These strip sizes have become popular for brochures, leaflets, and other printed materials, as they offer a unique format that stands out while still being familiar to those accustomed to A series dimensions.

    • Solopress - Document - Size - Guide - Strip - Sizes

  1. B Series Paper Sizes

    The B series, while maintaining the same height-to-width aspect ratio as the A series, stands distinct in its dimensions. At a glance, both A and B series sheets may look quite similar due to their identical aspect ratios, but there's a difference in size.

    Starting Point:

    • B0: The foundational size for the B series is B0, which is defined by a width of 1 meter. This ensures that the B series paper sizes are consistently larger than their corresponding A series counterparts.

    For instance:

    • While A4 might be the most common office paper size globally, its B series equivalent, B4, would be slightly bigger.

    The B series is particularly useful when there's a need for a size that falls between two A series sizes. Given its unique dimensions, the B series offers versatility in design and printing applications.

    • Solopress - Document - Size - Guide - B - Series

  1. C Series Paper Sizes

    The C series is a lesser-known set of sizes compared to the A and B series. It's primarily known for envelope sizes designed to fit A series paper inside. However, as you mentioned:

    • The C series became infrequently used over time and was ultimately withdrawn from the ISO standards in 2009.

    Due to its diminished relevance and the withdrawal from standardization, the C series won't be detailed further in this guide. If users have specific requirements or queries related to the C series, they'd need to refer to historical documentation or specialized sources.