While I agree there really is some logic behind the US paper sizes I suggest the gentleman taking umbrage be a little more sensitive to the US approach to ignoring international standards in this and many related areas. This list of the common American and European paper sizes includes the ISO standards, which are used globally. All dimensions are specified in inches, millimeters as well as PostScript points (1/72 inch, always rounded off). The overview covers: The ANSI/ASME Y14.1 standard was adopted by the American National Standards Institute in 1995. The various formats available within this standard are represented by ANSI followed by a letter. However, since the introduction of the system, the traditional approach has remained the most commonly employed. For example, most of our frames are also available in all standard paper sizes from A1 to A5. What size is A3? Or A4? Let’s see. A format An inch (symbol: in) is a unit of length. It is defined as 1⁄12 of a foot, also is 1⁄36 of a yard. Though traditional standards for the exact length of an inch have varied, it is equal to exactly 25.4 mm. The inch is a popularly used customary unit of length in the United States, Canada, and the United Kingdom. Definition of centimeter

Definition: A centimeter (symbol: cm) is a unit of length in the International System of Units (SI), the current form of the metric system. It is defined as 1/100 meters. To make it easier for you, for all our photo frames we mention the size of the print you want to put inside, so you don’t need to worry about fitting it in. If you’re looking for more than specific standard sizes, don’t forget you can customize the frames for those measurements. For any questions, we’re here to help!This is one of the most asked questions at my photography studio. People generally get confused by photo print sizes and finishes. For classic 35 mm photography and photo albums, we use the standard 4 x 6 inch. This size is also perfect for picture walls and other types of collages.

The factor 0.393701 is the result from the division 1 / 2.54 (inch definition). Therefore, another way would be: Usually, for an image size of 4 x 6 inches, you could use a 6 x 8 or 8 x10 inches frame. Here’s a general guide to help you. Image size When it comes to choosing a material, think about the purpose you want the picture frames to serve. If these are purely for decoration, then choose what suits your style. But if you want something that’s going to protect your artwork as well as look good, consider more durable options.A very popular brand of ready made frames (in standard sizes). These frames generally have very narrow widths which provide a very crisp, contemporary look. Current use: The centimeter, like the meter, is used in all sorts of applications worldwide (in countries that have undergone metrication) in instances where a smaller denomination of the meter is required. Height is commonly measured in centimeters outside of countries like the United States. In addition to the A-series, there are also the B and C series. The B series extends the range of paper sizes available in the A-series, while the C series is limited to envelopes. Multiplication Table is an useful table to remember to help you learn multiplication by 16. You should also practice the examples given because the best way to learn is by doing, not memorizing. Online Practice