Main Page | See live article | Alphabetical index Qt may stand for: A quart, a measure of volume within traditional systems of units, equal to 2 pints A quarter, a unit of mass in Imperial units, equal to 2 stones or a quarter of an Imperial hundredweight; one quarter = 12.70058636 Kg. The Qt toolkit, cross platform graphical widget toolkit for the development of GUI computer programs "quiet", as in the (dated) slang expression "on the Q. T.", meaning "secretly" This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.