How do i calibrate the touchscreen on the pioneer avh-x4600bt

It is 4in X 5 3/4in or 4in x 5in. Most all your double din stereo's are 4in wide by 6in long. The double din only means it is twice the size as a regular car stereo.

You need to talk to the experts on auto sound issues like this one.
www.crutchfield.com

1. Disconnect the light green lead at power connector form ur Pioneer Player.
2. Connect above mentioned wire to direct fuse box with steady 12 V supply.

I do believe you can search through Crutchfield.com and in there is an explanation on din sizes and with a vehicle search you can see what size din yours should be.
You should have a double din if it is OEM. A single din is about 2" tall while a double is 4" tall.
There was also a DH (din and a half) found in early 80's to early 90's GM vehicles (and maybe other makes).

No.....This stereo is a double din stereo.

i have a kenwood in dash screen, its pretty kool bought in best buy , double din had a pioneer flip but had problems

yes this vehicle has a double din radio. the old standard radios like most aftermarket are single din,double din refers to being double size of this.

A 1 DIN stereo is what came stock in your vehicle. A 2 din stereo is double the height of a 1 DIN stereo, but the same width.

i have a 2002 ford escape and i bought a double din radio and it did not fit and found out it is actually a din and 3/4 with out serious mods (cutting a bigger hole in dash) double din wont fit i bought a single din stereo and a din a 3/4 dash kit works fine