This should be mostly accurate I believe:
https://developer.valvesoftware.com/wiki/Dimensions
The jump heights might be different, though.
Player heights were the same in TFC (though sometimes it doesn't feel like it), not positive about QWTF.
If you want to port a map from TFC with the scale intact, you can follow this guide:
http://forums.fortress-forever.com/s...ad.php?t=24249