Question: What are the standard sizes for business cards? Answer: In the U.S., standard business card sizes are 3.5 x 2 inches. In Europe, the standard size is 85mm x 55 mm. <script type="application/ld+json"> { "@context": "http://schema.org", "@type": "FAQPage", "mainEntity": [{ "@type": "Question", "name": "What are the standard sizes for business cards?", "acceptedAnswer": { "@type": "Answer", "text": "In the U.S., standard business card sizes are 3.5 x 2 inches. In Europe, the standard size is 85mm x 55 mm." } }] } </script>