DOUBLE A4 PAPER

A4 paper is a standard paper size defined by the ISO 216 standard, commonly used worldwide (except in North America, where US Letter and Legal sizes are more prevalent). Here are the key details:

• Dimensions: 210 mm × 297 mm (8.27 inches × 11.69 inches).
• Area: Approximately 0.0625 square meters.
• Aspect Ratio: 1:√2 (approximately 1:1.414), which allows A4 to be scaled up or down (e.g., A3 is twice A4, A5 is half A4) while maintaining proportions.
• Common Uses: Printing documents, letters, forms, reports, and office use; widely used in Europe, Asia, and other regions.
• Weight: Typically measured in grams per square meter (gsm). Standard office A4 paper is often 80 gsm, meaning a single sheet weighs about 5 grams.