Is 6.5 pixels for bigger screens a good size.

6.5 pixels is less that the width of your fingernail. Do you mean 6.5 inches?

Oh no. That wouldn’t fit on the screen.

(nm)

You go by diagonal inches, not pixels.
And what size screen do you want this for? Your TV or your computer? My TV is a 40” and my computer is a 20”.

Pixels are the nearly invisible individual dots on a screen.

6.5 pixels is about enough to draw one period: .

So, no.

6.5 MEGApixels, would be about 3000×2000 pixels, which these days is also not great. And it’s also about resolution rather than size.

A pixel is a picture element or a single dot on an electronic image.

I think you need to elaborate on what you are asking.

I need my phone screens to be bigger.

My Galaxy Note 20 has a 6.5 inch (diagonal) screen, which is pretty nice. Also, a stylus, for more accurate touch, or drawing/writing.

A stylus would be nice.