wat size jpeg to print a A1 size poster E.g. 2300px/1300px...?

Question

wat size shld i use....i really had no idea...my current size is 2094/1630 is this really enough? its onli a 1.1mb....

anyway wat is e exact size of a a1 poster??

Answer 1

Actually, it's easy to remember.

If you have A4 paper (size is 29.7 cm x 21 cm), just put it together side by side in region 29.7 cm.
If you did like that, you have A3 paper (size is 42 cm x 29.7 cm). Can you imagine it?
We get 42 cm from 21 cm x 2.

Than, If you put A3 paper together side by side, you will get A2 paper (size is 59.4 cm x 42 cm).
59.5 cm is from 29.7 cm x 2.

Than, if you put A2 paper together side by side, you will get A1 paper (size is 84 cm x 59.4 cm).
I think you know, where that number comes from.

And last we have A0 paper.

If you wanna use A4 size paper to print, it's enough to use 300 px. Because A1 is A4 x 8, so you can use 2400 px.

Answer 2

For one thing when you output your image it should be no greater than 300dpi, anything else is sort of a waste, and besides how close does a person stand to a poster? Anyhow an average poster is about 27x41, and at 300dpi that should come out to around 278mb. Ideally if you are creating a poster of that size and you want to either be shooting with a high end digital camera, or at least a scan from a medium or large format chrome or neg. But lets face it you probably have neither but not to worry, if you don't mind some artifacting or pixelization, then you can enlarge or interpolate your image in Photoshop to the desired size. The image may not come out tack sharp and the colors may be a bit muddy, but like I said how close does a person stand to a poster.

Answer 3

Try 1024 X 768, approximately the size of an 8" X 10" printed photo.

Also, in your printer properties, look for the option to "Fit on Page".

Answer 4

Ax4 size, post card size and post card size, passport size.....


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