A3 vs Tabloid

A3 measures 297 × 420 mm (11.69 × 16.54 in); Tabloid measures 279.4 × 431.8 mm (11 × 17 in).A3 is 17.6 mm wider. Tabloid is 11.8 mm taller.

Try a comparison

AFirst paper

297 × 420 mm

BCompare with

279.4 × 431.8 mm

Measurement unit

All measurements update together.

At a glance

Both sheets shown at the same scale

A3PortraitTabloidPortrait

Proportional preview · not actual print size

AREA DIFFERENCE3.28% smaller

Tabloid compared with A3

WIDTH × HEIGHT DIFFERENCE-17.6 × 11.8 mm

Tabloid minus A3

PRINT SCALE TO FIT94.07%

Scale A3 to fit inside Tabloid

The details, side by side

A3 and Tabloid: dimensions in the selected orientation.

Dimensions of the selected papers in the selected unit
Measurement	AA3	BTabloid
Width	297 mm	279.4 mm
Height	420 mm	431.8 mm
Area	124740 mm²	120644.92 mm²
Aspect ratio (width : height)	1 : 1.41	1 : 1.55

Print scale uses the orientations shown above and excludes printer margins and bleed. Rotate a sheet to explore a different fit.

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Area difference

Tabloid has 3.28% less area than A3, using A3 as the baseline.

Print scaling

A3 onto Tabloid: 94%. Tabloid onto A3: 97%. These portrait-to-portrait scales exclude printer margins and bleed.

Enter the percentage in your print dialog's Custom Scale field, select the destination paper size, and check the preview for the printer's unprintable margins.

Aspect ratios

A3: 1.41:1; Tabloid: 1.55:1 (long edge to short edge, rounded to two decimal places).

Which should you use?

Choose A3 when your document or recipient specifies that ISO format; choose Tabloid for a workflow that requires that US format. Match the document, driver and loaded sheet rather than treating the two names as interchangeable.

A3 vs Tabloid FAQ

What is the size difference between A3 and Tabloid?

A3 measures 297 × 420 mm (11.69 × 16.54 in); Tabloid measures 279.4 × 431.8 mm (11 × 17 in). A3 is 17.6 mm wider. Tabloid is 11.8 mm taller.

How does Tabloid compare with A3 in area?

Tabloid has 3.28% less area than A3, using A3 as the baseline.

What scale prints A3 on Tabloid, and vice versa?

A3 onto Tabloid: 94%. Tabloid onto A3: 97%. These portrait-to-portrait scales exclude printer margins and bleed.

Do A3 and Tabloid have the same aspect ratio?

A3: 1.41:1; Tabloid: 1.55:1 (long edge to short edge, rounded to two decimal places). Their proportions differ, so fitting one onto the other leaves unused space unless content is cropped.