Print & Design
So much of print goes wrong in the gap between screen and paper. A file that looks perfect at 72 DPI turns to mush at print size; a book cover comes back from the printer a quarter-inch off because nobody accounted for the spine.
These calculators live in that gap. Convert paper weights between GSM and pounds, check whether your pixels will survive at 300 DPI, work out bleed and safe zones, size a KDP cover including the spine, or price out embroidery and DTF runs before you commit. Every tool shows the formula it's using — because "trust me" isn't a print spec.
Paper Weight (GSM) Converter
Convert paper weight between GSM, lb and points across paper categories, with an explicit parent-sheet basis.
Pixels to Print Size Calculator
Work out the maximum print size for an image at a target PPI, or the pixels you need for a given print size.
Print Bleed Calculator
Calculate trim, bleed and safe-area dimensions for a print job, including asymmetric bleed.
KDP Cover & Spine Calculator
Calculate full wraparound cover dimensions and spine width for a self-published paperback.
Label Roll Calculator
Estimate labels per roll, roll length and lane count from label size, core diameter and roll outer diameter.
Barcode Size & DPI Calculator
Check minimum barcode size and print DPI needed for reliable scanning, including QR error-correction and version.
Embroidery Thread Color Converter
Find the closest embroidery thread colors to a given color, by perceptual distance, across thread brands.
Embroidery Stitch Cost & Pricing Calculator
Price an embroidery job from stitch count, thread/backing cost and machine time, separate from the selling rate.
DTF Printing Cost Calculator
Estimate DTF transfer cost per unit from print area, film/ink/powder cost, reject-rate yield and press time.
Sublimation Size & Cost Calculator
Calculate sublimation print size ceiling and per-unit cost for a chosen product template.
QR Code Minimum Size & Distance Calculator
Calculate the smallest safe QR code print size for a scan distance, adjusted for QR version and error correction level.
GSM to Thread Count (TC) Fabric Estimator
Estimate a fabric's marketed thread count from its GSM and weave type, and see how ply count inflates the marketed number.
Screen Printing Mesh Count & Halftone LPI Calculator
Calculate the minimum screen mesh count for a halftone LPI using the 4.5x industry ratio, adjusted for ink chemistry.
Embroidery Machine Run Time & Bobbin Yardage Calculator
Calculate embroidery production time from stitch count, color changes and trims, plus top and bobbin thread yardage.
Video & Canvas Aspect Ratio Scaling Calculator
Solve a missing width or height at an exact ratio, or calculate letterbox/pillarbox padding to fit content without cropping.
Questions
How much bleed does a printer usually want?
Most commercial printers in the US ask for 0.125 inches (1/8") on every edge that touches the trim, and 3 mm is the common figure elsewhere. Your printer's spec sheet wins if it says something different, so check it first and type their number into the bleed calculator.
Why does my image look sharp on screen but blurry in print?
Screens are forgiving at 72–96 pixels per inch. Print wants around 300, so a 1200-pixel-wide photo only holds up at about 4 inches across. The pixel-to-print-size tool tells you the largest size an image can hit before it gets soft.
Are GSM and pound paper weights the same thing?
Nope. GSM is grams per square meter and doesn't care about sheet size. US pound weights depend on the paper type's basic sheet size, which is why 80 lb text and 80 lb cover feel nothing alike. The converter handles the paper type so you don't have to guess.