On Saturday, the first day of availability,Apple sold more than 300,000 iPads, the company said on April 5.
Apple said the sales figures included pre-ordered shipments of the device and purchases at Apple retail stores.
The firm also said that iPad users had downloaded more than one million applications at Apple's App Store and over 250,000 electronic books from Apple's iBookstore.
"It feels great to have the iPad launched into the world -- it's going to be a game changer," Apple chief executive Steve Jobs said.
"iPad users, on average, downloaded more than three apps and close to one book within hours of unpacking their new iPad," Jobs said.
Copyright Agence France-Presse, 2010