How do I compare standard and XL cartridges?
Compare consumable cost per rated page rather than cartridge price alone. Then consider whether you will use the cartridge before it degrades or the printer is replaced.
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.
Separate rated yield from observed running cost
ISO-style rated yield is useful for standardized comparisons, but real page yield and cost can move with coverage, maintenance, settings, environment and print frequency.
Apply the answer to this specific question
Compare consumable cost per rated page rather than cartridge price alone. Then consider whether you will use the cartridge before it degrades or the printer is replaced. The practical consequence should be checked with Standard vs XL Cartridge 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 “How do I compare standard and XL cartridges?”, 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 How do I compare standard and XL cartridges?, record the source measurement or controlling specification first, then run the real job values through standard vs xl cartridge. 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
Compare consumable cost per rated page rather than cartridge price alone. Then consider whether you will use the cartridge before it degrades or the printer is replaced.
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.