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I have some photos that are 600x450 resolution. If I have them printed as standard 6x4-inch photos, will they be of decent quality? Thanks.

assuming that they are properly focused they should be ok at that size

Photos of that resolution will show their pixels quite clearly when printed at this size.

You are talking about an image that is pretty much 600 x 400 pixels (give or take) being printed at 6 x 4 inches. That means that, no matter how good your printer, it will only print 100 pixels per inch. Most photo printers manage between 300 - 600 dots per inch (dpi), which is good enough to fool the human eye. But your source image is at least one third too small to create a smooth picture.

I guarantee you will be disappointed by the results. Sorry.

I was going to have them printed at Boots, not on my home printer. Perhaps they have a super dooper printer that can do an adequate job? I think I will get one or two photos done and see how they come out. Thanks for the replies.

Replicant wrote:Perhaps they have a super dooper printer

It won't matter how good the printer is. You don't have enough pixels in your source image to fool the eye into seeing a smooth image when you print at the size you quoted. You'd have to print at about one third the size to get a good picture.

I have a program called PhotoZoom Pro that does a pretty good trick of enlarging pictures by interpolation. I can recommend it if you're going to be working with graphics a lot for any reason.

If there's not too many pics (and if you don't mind me seeing them), you can e-mail them to me and I'll try running them through PhotoZoom for you to boost their resolution. I could do with the hands-on practice.

I've just done this as an example. Both are full-size.