What is the cheapest printer ink per page?

As of November 3, 2026, 18:01 UTC, the cheapest printer ink per page BuyPerUnit tracks is the st@r ink Compatible Ink Refill Bottles Replacement for EPSON 502 Ink Refill Bottles | Replacement for EPSON Ink 502 Black Ink 2P Work with Epson EcoTank ET-2850 ET-3850 ET-4850 ET-3760 ET-2760 ET-4760 at $0.0010/page ($19.99 at Amazon). The median across 311 in-stock listings is $0.0388/page; anything under $0.0170/page beats three quarters of them. Price per page is the cartridge or bottle price divided by its manufacturer-rated page yield, so high-yield (XL) cartridges and ink-tank bottles dominate the top of the ranking.