What is the most common paper size in India?

A4 (210mm × 297mm) is the most common paper size in India for documents, letters, and forms.

What is the difference between A4 and Letter size?

A4 is 210mm × 297mm, slightly narrower and taller than US Letter (216mm × 279mm). A4 is the standard in India and most of the world.

A2 (420mm × 594mm) and A1 (594mm × 841mm) are ideal for posters, while A0 (841mm × 1189mm) is used for large format technical drawings.

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Complete paper size chart with dimensions in mm, cm, and inches. Compare A4 vs A3 vs A5 vs Legal vs Letter. Visual guide with use cases.

210 × 297 mm

Common uses: Standard documents, letters, forms

Size	Width (mm)	Height (mm)	Width (mm)	Height (mm)
A0	841	1189	841	1189
A1	594	841	594	841
A2	420	594	420	594
A3	297	420	297	420
A4	210	297	210	297
A5	148	210	148	210
A6	105	148	105	148
Legal	216	356	216	356
Letter	216	279	216	279
B4	250	353	250	353
B5	176	250	176	250

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