For more details visit: http://creation.com/creation-magazine-live-episode-58
Richard Fangrad and Calvin Smith discuss this very popular question with both Christians and non-Christians. Given the dimensions of the Ark and the number of animals needed Noah could easily fit all the animals on the Ark with room to spare for food and other provisions to survive a year-long global flood.
From Creation magazine 29(2) How could Noah get all the animals on the Ark? http://creation.com/how-could-noah-get-all-the-animals-on-the-ark" style="color:lightblue" target="_blank">http://creation.com/how-could-noah-get-all-the-animals-on-the-ark