Robyn and I were trying to figure out whether a king bed will fit in our new house. To answer that question I immediately downloaded Google SketchUp, which is an awesome (and free!) CAD/drawing application.
Using the blueprints of our new house (possession: January!) that we got when we signed the contract, I had a mockup of our top floor, down to the inch, in about 90 minutes. I could have stopped at the bedroom, but we also wanted to see if my giant desk would fit in a spare bedroom.
So, will a king bed fit in our new master bedroom, and will there be room for bedside tables and dressers? The answer is definitely yes:
In 2009, SketchUp also helped me figure out if I could fit a queen bed in my apartment bedroom, along with my huge desk (split in two) and a bookshelf. The answer was yes - barely:
If you've used any CAD programs before, you'll adapt to SketchUp quickly. There are also lots of SketchUp video tutorials and lessons for beginners. SketchUp is a VERY handy program that can always answer the question "will it fit?" - so long as you know your room/house/whatever's dimensions!