Paper Sizes, Standards & Tools
Your quick reference for international paper size standards, dimensions, and formats — plus free tools for designers and print professionals.
Browse Reference →Available Tools
Free tools to help you work with paper, envelopes and printers.
Paper & Envelope Reference Table
Quickly find paper and envelope dimensions, compare international standards, and explore common formats with this complete reference table.
DPI Calculator
Calculate the optimal resolution for printing by setting the paper size, margins, and DPI.
Printer Search
Find the right printer by filtering by brand, model, supported paper sizes, connectivity options, and more.
Ink & Toner Search
Search for ink cartridges and toner cartridges using a wide variety of filters and criteria: brand, model, color, compatibility, etc.
Paper Comparison
Compare paper and envelope sizes side by side, visualizing dimensions and relative sizes of different formats.
Browser Extension
Set your paper size and print resolution (DPI), then hover over any image to instantly see if it meets the optimal resolution requirements for your desired print