Paper Size comparison tool
A
A3
297 x 420 mm
US
Tabloid
279 x 432 mm
What is the difference between A3 and Tabloid?
The primary difference between A3 and Tabloid is that A3 is shorter and wider (297 × 420 mm) compared to Tabloid (279 × 432 mm).
In terms of surface area, A3 is 3.5% larger than Tabloid.
An A3 piece of paper measures 297 × 420 mm or 11.7 × 16.5 inches. Cutting it in half will create two A4 sheets of paper. A3 is part of the A series.
A Tabloid piece of paper measures 279 × 432 mm or 11 × 17 inches. Tabloid is part of the US series.