A1 Paper Size: Dimensions & Measurements

A1 Paper Size Dimensions

594 × 841 mm

A1 paper measures 594 × 841 millimeters.

A1 Paper Size Diagram

594 mm
841 mm
A1

What Size Is A1 Paper?

A1 paper measures 594 × 841 mm, which is 59.4 × 84.1 cm or approximately 23.39 × 33.11 inches. A1 is part of the ISO 216 A series and has an area of approximately 0.5 square meters. When an A1 sheet is cut in half, it creates two A2 sheets.

A1 Paper Size Dimensions & Conversions

Paper Series A Series
Standard ISO 216
Width 594 mm
Height 841 mm
Area 0.5 m²
Aspect Ratio 1:√2
Previous Size A0
Next Size A2

A1 Dimensions in Different Units

Unit Width Height
Millimeters 594 mm 841 mm
Centimeters 59.4 cm 84.1 cm
Inches 23.39 in 33.11 in
Feet 1.95 ft 2.76 ft
Meters 0.594 m 0.841 m
Points 1684 pt 2384 pt
Picas 140.3 pc 198.7 pc

What Is A1 Paper Used For?

Architectural Drawings

A1 is commonly used for architectural plans, floor plans, elevations, and technical drawings.

Engineering Plans

Engineers use A1 paper for detailed technical layouts, diagrams, and engineering plans.

Posters

A1 provides enough space for large posters, promotional designs, and printed graphics.

Maps

The A1 format can display maps and geographical information at a readable size.

Presentation Boards

A1 is often used for design presentations, project boards, and visual displays.

Technical Drawings

Its large format provides space for detailed technical information and diagrams.

Related A Series Paper Sizes

Frequently Asked Questions

A1 paper measures approximately 23.39 × 33.11 inches.
A1 measures 59.4 × 84.1 cm.
A1 measures 594 × 841 mm.
At 300 DPI, A1 is approximately 7016 × 9933 pixels.
Yes. A1 is twice the area of A2.