A4 Paper Size - What Size Is A4 Paper?

What's A4 size paper? Is A3 bigger than A4 paper? Is A4 the same as 8.5 x 11? You can find all your questions answered about international paper sizes in this post. 

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A4 White Paper | for Copy, Printing, Writing | 210 x 297 mm. (8.27 inch x 11.69 inch Inches) | 20lb Bond, 60lb Text Paper (75gsm) | 250 Sheets per

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