How long did it take to sink?

2.19am - Bow begins to sink. The front of the boat disappears beneath the surface of the ocean, the back half of the Titanic soon following afterwards. 2.24am - Titanic reaches the bottom of the ocean. The front half of the ship reaches the bottom first. Two minutes later, the back half of the Titanic joins it on the floor of the Atlantic. read more

Because it had 16 watertight compartments (so in the case of acollision it would stay afloat). It was designed so that it wouldstay afloat it 4 compartments were flooded. read more

2 hours and 40 minutes: At approximately 11:40 PM on April 14, 1912, the Titanic struck an iceberg. read more