Printing Guide

A3, A4 and A5 Paper Sizes in mm, cm and Inches

A4 is 210 × 297 mm. A5 is half its area at 148 × 210 mm; A3 is twice its area at 297 × 420 mm. Choose the size before printing so forms, diagrams and text remain readable.

Dimensions Chart

Format	Dimensions (mm)	Dimensions (cm)	Dimensions (inches)	Primary Use Case
A3	297 × 420 mm	29.7 × 42 cm	11.69 × 16.54 in	Posters, engineering drawings, spreadsheets.
A4	210 × 297 mm	21 × 29.7 cm	8.27 × 11.69 in	Study notes, project reports, thesis binding, letters.
A5	148 × 210 mm	14.8 × 21 cm	5.83 × 8.27 in	Novels, booklets, flyers, pocket diaries.

Visual Size Relationship

One A3 sheet folds into two A4 sheets, and one A4 sheet folds into two A5 sheets. That relationship is why the A-series is so useful in printing workflows.

A4Standard

Which Paper Size Should You Choose?

A4: The Universal Standard

In India, A4 is the default for study notes, assignments, business documents, and thesis print jobs. Use it when a form, institution or recipient requires full-size pages. Compact A5 has a lower entry B&W rate, so compare the format as well as price.

A3: For Large Visual Work

A3 is useful for drawings, spreadsheets, design presentations, and anything that needs more breathing room than a standard document page.

A5: Compact and Portable

A5 works well for smaller booklets, novels, handbooks, and revision material where portability matters more than full-page scale.

If you are unsure which format fits your order, you can still start with the main document printing flow and choose the paper setup that best matches your file.

Printing an A4 PDF on A5: size and readability

Fitting an A4 portrait page onto A5 reduces its linear dimensions to about 71%. A 12-point font becomes roughly 8.5 points. Preview fine text, table labels and diagrams before choosing the smaller size. A5 is half the area of A4, rather than half its width and height.

For an A4 form or required thesis format, keep A4 and check whether the recipient requires actual size. Use A5 for compact reading notes when the smaller text remains comfortable. Review orientation and margins in the upload preview.

Paper size changes your print cost

A5 B&W starts at ₹0.35/printed page double-sided. A4 75 GSM B&W starts at ₹0.48/page, and A4 75 GSM colour at ₹1/page, double-sided. Compare the full price list or print cost calculator.

This chart explains A3 dimensions for planning. The online document checkout supports A4 and smaller formats; it does not offer A3 poster or drawing printing.

For paper thickness, read the GSM and paper guide. For physical sheets and multiple copies, use the page count estimator.

FAQ

A4 vs A5 paper size and printing FAQs

A3 is the largest of these sizes, followed by A4 and then A5. One A3 sheet has the area of two A4 sheets; one A4 has the area of two A5 sheets. Dimensions are rounded to whole millimetres.

A4 measures 21 × 29.7 cm (210 × 297 mm), or approximately 8.27 × 11.69 inches. Landscape orientation swaps the width and height.

No. US Letter is slightly wider and shorter than A4, which is why A4 remains the safer default for Indian academic and business printing.

Yes, but the text will shrink, so the original layout needs to be readable enough before scaling down.

For standard notes, 75 GSM is the default choice. For more premium or double-sided work, higher GSM options are often better.

Ready to Print Your Documents?

Move into the main upload flow once you know the paper size that best fits your file and final use case.