APFill Ink Coverage Calculator is a unique tool for print shops and home users. Now you can optimize pages you print to spend less ink, toner and money. Ink and toner usage (page yield) is usually described by printer manufacturers as so many pages of A4 using 5% coverage according to standard ISO/IEC 19752 test methodologies. APFill Ink Coverage Calculator helps you calculate ink and toner coverage on the page (total ink coverage/density or total area coverage (TAC)) before printing. When you use APFill Ink Coverage you can estimate your cost more accurately. APFill will help you to estimate price based on paper density, paper format and original color density, so you can optimize pages you print and spend less ink, toner and money.