The German World Cup winner will be presented to the media and Real fans at 5pm today in the Santiago Bernabeu.
Real are paying 25 million plus another 5 million in bonuses for Kroos' transfer. He will take the No8 shirt.
Kroos has agreed a six-year deal worth 6 million-a-season.
His presentation ceremony will take place at 17:00 in the VIP box of the stadium, the usual venue for this kind of event.
It will be there that Florentino Pérez will address Kroos for the first time as a Real Madrid player and where the German will first say the famous words, "Hala Madrid", to the delight of the fans.
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