Calculate True Page Cost,
Spot Overpriced Consumables.
Free printing cost calculators: true cost per page, cartridge yield math, inkjet vs laser comparisons, and the printer-break-even analysis.
ISO 5% Page Coverage Standard
Manufacturer cartridge ratings assume only 5% toner coverage (a short business letter).
Inkjet Cartridge vs Ink Tank
Standard OEM cartridges cost 10–18¢/page; eco-tank refill bottles drop cost to 0.3¢/page.
Laser Toner Economy
Monochrome laser printers deliver stable 1.5¢/page document output with zero dried-nozzle waste.
InkCost Calculators
Cost Per Page Calculator
True printing cost per page — cartridge price ÷ honest yield, color and mono separated.
Inkjet vs Laser Calculator
The five-year total cost — printer price, per-page rates, and your volume deciding the winner.
Printer Break-Even Calculator
When the efficient printer repays its premium — by price gap and per-page savings at your volume.
Technical Reference Guides
The printer business model: free razors, expensive blades, and the tank rebellion
How printers got sold below cost, why ink costs more than perfume, and the model that broke it.
The cartridge archaeology: what yield numbers really mean
ISO testing, the 5% page, and why your cartridges die at 80% of the box.
9 mistakes people make with printing costs
The recurring errors we see in printing costs — what causes each one, and the habit that prevents it.