Choose a local image
The file is read in browser memory. This calculator has no upload endpoint and its security policy blocks outbound connections.
13 focused calculators
Every print dimension tool in one private toolkit.
Each page solves a distinct print-preparation question while sharing the same exact conversion engine.
Pixels to CM Converter
Convert pixel dimensions to centimeters with an explicit PPI setting. Get centimeters and inches instantly.
02CM to Pixels Converter
Calculate the pixel dimensions required for any centimeter size at 150, 200, 240, 300, or 600 PPI.
03Pixels to Inches Converter
Convert image pixels to physical inches at any PPI, with the matching centimeter result included.
04How Large Can I Print My Image?
Upload an image locally and compare its maximum print dimensions at 150, 200, 240, and 300 PPI.
05Image PPI Calculator
Calculate horizontal, vertical, and effective PPI from pixel dimensions and a target print size.
06Print Bleed Calculator
Add 3mm, 0.125 inch, or custom bleed and calculate the full physical and pixel canvas.
07A4 Size in Pixels
Get A4 pixel dimensions at common print resolutions, with orientation and optional 3mm bleed.
08Photo Print Size Checker
Upload a photo locally and compare its effective PPI across eight popular photo print sizes.
09Business Card Size in Pixels
Calculate trim and full-bleed pixels for US, UK, European, Australian, and Japanese cards.
10Poster Resolution Calculator
Check effective PPI for 18×24, 24×36, and A0–A4 posters, plus required pixels at 150 and 300 PPI.
11Image Resolution Checker
Inspect pixel dimensions, megapixels, aspect ratio, orientation, and practical resolution limits before choosing a print workflow.
12KDP Cover & Spine Calculator
Calculate paperback spine width, full cover dimensions, bleed, and 300 PPI pixels from page count.
13PPI to DPI Converter
Compare image PPI with printer DPI and calculate the available printer dots per image pixel.
Practical print guides
Exact dimensions, crop decisions, and export checks.
Use these references when a calculator result still needs a production decision.
Is My Image Large Enough to Print?
A five-minute check using real pixels, final print size, effective PPI, crop ratio, and image quality.
Guide 02Why 8×10 Crops a Photo
See exactly what a 4:5 print removes from 3:2 and 4:3 images, with crop and border options.
Guide 03Poster Pixel Dimensions
Exact 150 and 300 PPI values for 12×18, 18×24, 24×36, and A0–A4 posters, with crop checks.
Guide 04Photo Print Sizes & Pixels
Required pixels and aspect ratios for 4×6, 5×7, 8×10, 11×14, 16×20, and 20×30 prints.
Guide 05Etsy Printables in Canva
Build ratio-based size packs, choose PDF or JPG, handle bleed, and package files buyers can use.
Why PPI matters
A pixel count becomes a physical print size only after a PPI value is chosen. PrintPrepTools uses the exact relationship of 1 inch = 2.54 centimeters and keeps image PPI separate from printer hardware dot density.