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I describe the latest D0 and CDF W boson mass measurements. The D0measurement is performed with $4.3\, fb^{-1}$ of integrated luminosity in theelectron decay channel with a data set of $1.68\times 10^{6}$ W candidates. Thevalue of the W boson mass measured by D0 is $M_W = 80.375\pm 0.023\, GeV$ whencombined with the previously analyzed $1\, fb^{-1}$ of integrated luminosity.The CDF measurement uses $2.2\, fb^{-1}$ of integrated luminosity in bothelectron and muon decay channels with a total of $1.1\times 10^{6}$ Wcandidates. The value of the W boson mass measured by CDF is $M_W = 80.387\pm0.019\, GeV$. I report the combination of these two measurements with previousTevatron measurements and with the LEP measurements of the W boson mass. Thenew world average is $M_W = 80.385\pm 0.015\, GeV$. I discuss the implicationsof the new measurement to the indirect measurement of the Standard Model Higgsboson mass.

Precise measurements of the W mass at the Tevatron and indirect constraints on the Higgs mass