This guide provides comprehensive envelope size charts with standard envelope dimensions, measurements, and specifications to help you select the right option for your documents and …

May 18, 2021 · An A4 envelope, also sometimes called a C4 envelope, is 8.3 inches long and 11.7 inches tall. This is just slightly larger than the A4 paper that it’s designed to hold.

See our envelope sizes chart with dimensions in inches for business, booklet, catalog, and baronial envelopes. Pick the right size for direct mail.

Oct 12, 2025 · The standard envelope size designed to hold an A4 sheet unfolded is the C4 envelope. This size belongs to the international C-series of envelopes, which is systematically …

Listed below is a wide range of standard sizes for a variety of different envelope types and styles. Click any of the envelope styles below to jump to their standard sizes:

What is A4 envelope size? A4 envelopes, referred to as C4 envelopes, are among the most common envelope sizes. Learning more about its size and weight can assist you in …

Proportions of the A4 size compared to other sizes. An A4 has a surface area of 210 x 297 millimetres. In inches, this is 8.27 x 11.69 inches. An A4 paper fits in a C4 envelope without …

Jul 14, 2025 · What size is a standard envelope in inches and cm? The standard envelope size in the UK is the DL size, measuring approximately 11 x 22 cm or 4.33″ x 8.66″. It perfectly fits an …

Envelope sizing has been defined similarly, but the key difference is that paper sizes start with an “A” and envelope sizes start with “C” except for “DL”.

Envelope size chart. Find standard envelope sizes, name and dimensions -- Assistance to help choose the correct envelope for your project - Envelopes have many sizes and may cause …