Print & image calculators that run right in your browser
No sign-up, no uploads, no waiting. Work out print sizes, pixel dimensions, paper sizes, aspect ratios and DPI conversions with simple, accurate tools.
Print Size Calculator
Convert pixel dimensions to inches and centimetres at any DPI, or find the pixel size you need for a target print.
Paper Size to Pixels
Find out how many pixels an A4, A3, Letter or Legal page is at 72, 150, 300 DPI and more.
Aspect Ratio Calculator
Simplify any width and height to a ratio, compare it with standard ratios, and scale dimensions proportionally.
Pixels to Inches / CM Converter
Convert pixels to physical size and back again using the DPI or PPI of your image.
Retina Image Size Calculator
Generate @1x, @2x and @3x asset dimensions from one base size, plus an uncompressed file-size estimate.
Common Print Sizes Chart
Photo, poster and paper sizes in inches, centimetres and pixels at 150, 200 or 300 DPI.
Poster DPI Calculator
Find the resolution a poster needs based on print size and typical viewing distance.
Canvas Print Calculator
Check pixel dimensions and megapixels for standard and custom canvas print sizes.
Megapixel Calculator
Convert pixels to megapixels, estimate print size at any DPI and scale from a megapixel target.
PPI Calculator
Find screen pixel density and dot pitch from resolution and diagonal size.
Print Bleed Calculator
Add bleed to any document size and find the safe area for text and logos.
Frame & Mat Calculator
Work out mat board and outside frame dimensions for any photo or artwork.
Image File Size Calculator
Estimate the uncompressed size of an image or image sequence from pixels and bit depth.
What Is 300 DPI? Guide
Plain-English guide to print resolution, with print-size examples and when lower DPI is fine.
Pixels to Points Converter
Convert pixels to points, picas and physical sizes for print layouts at any DPI.
Image Print Size Checker
Select an image to see its maximum print sizes at 150, 200 and 300 DPI - processed locally.
Paper Sizes in Pixels
A-series and US paper sizes converted to pixels at 72-300 DPI.
Check Image Resolution Guide
How to find pixel dimensions on Windows, macOS, Photoshop and GIMP before printing.
What Is Bleed? Guide
Understand bleed and safe margins so your print-ready files never get white edges.
How Big Can I Print?
See every common print size for your pixel dimensions - 72 to 300 DPI in one table.
Business Card Size Calculator
Pixel dimensions for US, ISO and Chinese business card sizes at 300 DPI with bleed.
Roll-Up Banner Calculator
Pixel dimensions and file sizes for 600-1200 mm wide banner stands.
RGB vs CMYK Guide
Why screen colours differ from print, and when to supply RGB or CMYK files.
Large Format Resolution Guide
DPI guidance by viewing distance for posters, backdrops and billboards.
Print PPI Calculator
Check the actual pixels-per-inch an image will have at your chosen print size.
Photo Crop Calculator
Find the exact crop area to fit any photo to a print aspect ratio without stretching.
Trifold Brochure Calculator
Panel dimensions and pixels for US Letter and A4 multi-fold brochures.
Vector vs Raster Guide
Why logos should be vector and when high-resolution raster images are correct.
File Formats for Print
PDF, TIFF, JPEG or PNG - which to send to a print shop and why.
Why these tools exist
Small production questions should not require an account, an app download or a paid subscription. Every calculator on this site runs locally in your browser: your images and numbers never leave your device. More tools are added regularly.