Why DTF cost per shirt changes with order size
Fixed setup, gang-sheet utilization and labor are spread across the order, so per-shirt cost can fall as quantity rises—until additional sheets or labor steps create new cost jumps.
Use the numbers from your actual job
The guide explains the decision; the linked calculator gives you the value for your own file or production assumptions.
Build the price from production inputs
Material, setup, labor, consumables, machine time and spoilage should be visible separately so order-size changes do not hide a margin problem.
Apply the answer to this specific question
Fixed setup, gang-sheet utilization and labor are spread across the order, so per-shirt cost can fall as quantity rises—until additional sheets or labor steps create new cost jumps. The practical consequence should be checked with DTF Cost per Shirt Calculator, DTF Gang Sheet Yield Calculator when your own dimensions, page count, cost or production values differ from the example implied by the question.
What commonly changes the result
For “Why DTF cost per shirt changes with order size”, the most important variables are the ones represented by the linked calculator and any provider-controlled specification. A correct arithmetic result can still be unsuitable if the source dimensions, category, page yield, trim, bleed, margin or production method were assumed incorrectly.
A better verification workflow
For Why DTF cost per shirt changes with order size, record the source measurement or controlling specification first, then run the real job values through dtf cost per shirt, dtf gang sheet yield. Keep the result with the job notes, compare it with the physical file or material, and recheck any provider-controlled rule immediately before production or upload.
Practical answer
Fixed setup, gang-sheet utilization and labor are spread across the order, so per-shirt cost can fall as quantity rises—until additional sheets or labor steps create new cost jumps.
When the decision affects a paid print run, book upload, client order or expensive material, keep the calculation with the job notes and verify any external specification again immediately before production.