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A redefinition to replace the last remaining artifact based SI unit, the kilogram, may occur as early as 2011. This article presents a short summary of the status of current international efforts focused on the redefinition and the internationally agreed upon requirements for the redefinition of the mass unit.
Kubarych, Z.
(2009),
Getting Closer to Redefining the Kilogram, Weighing and Measurement + Magazine, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=903635
(Accessed October 11, 2025)