What is A6 in inches?

A6 is 105 × 148 millimeters, which equals 4.13 × 5.83 inches. It is one quarter the area of A4 and keeps the 1:sqrt(2) aspect ratio.

How much bleed should I add for postcards?

Add at least 3 mm bleed on every side and keep text 4–5 mm inside a safe zone. The trimmed size should still be 105 × 148 mm.

How do I print A6 cards on A4 or US Letter?

Use a 4-up layout on A4 or Letter, include crop marks, and leave 3 mm bleed. After printing, trim along the marks to keep consistent edges.

A-series reference

A6 paper size (105 × 148 mm → 4.13 × 5.83 in)

A6 is a compact format for postcards, thank-you notes, and quick inserts. Use the details below for exact inch conversions, bleed and safe-zone recommendations, and efficient 4-up layouts on A4 or US Letter printers.

105 × 148 mm4.13 × 5.83 inPostcard ready

Dimensions

Millimeters: 105 mm × 148 mm
Inches: 4.13 in × 5.83 in
Area: about 0.01554 m² (24.1 in²), one quarter of A4
Ratio: 1:sqrt(2), four A6 cards tile perfectly on one A4 sheet

Print and layout tips

Use a 4-up template on A4 or Letter, add 3 mm bleed plus crop marks, and keep key text inside a 4–5 mm safe zone so trimming stays consistent.

Open mm to inches converter View paper size table

Popular uses

Postcards and cards

Thank-you notes, holiday cards, and postcards that stay lightweight for mailing.

Notes and inserts

Great for quick notes, product inserts, and pocket guides without bulky paper waste.

A6 on A4

Four A6 cards fit on one A4; print, trim on crop marks, and keep the aspect ratio intact.