( Note: These are only standard sizes, to view all of our available sizes and styles, you can Browse our Products or View our Catalog. PWG 5101.1 also lists the following even inch sizes for envelopes: 6 × 9, 7 ×. The opening of the envelope can be on the long side (also. If your mailpiece does not meet the dimensions above, then the Postal Service considers it a letter and letter-size. They range in size, varying from 6 x 9, 9 x 12, 10 x 13 to accomodate different content sizes.

No more than 4-1/4 inches high x 6 inches long x 0.016 inches thick. At least 3-1/2 inches high x 5 inches long x 0.007 inch thick. ( Note: These are only standard sizes, to view all of our available sizes and styles, you can Browse our Products or View our Catalog.) 10 envelope is the standard business envelope size in the United States. But to qualify for mailing at the First-Class Mail postcard price, it must be: Rectangular. Its easy to make your own invitations, announcements and stationery with the Paper Source colored card & envelope collection. A standard C7 size envelope measures 84mm x 114mm. This is designed to fit A4 paper folded into quarters, A5 paper folded in half or A6 paper unfolded (often the size of a flyer). Looking for a quick reference in your office? Request a complimentary copy of our Envelope Wall Chart. A standard C6 size envelope measures 114mm x 162mm. This product range includes the popular 10 envelope which measures 4 1/8 by 9 1/2. Listed below is a wide range of standard sizes for a variety of different envelope types and styles.Ĭlick any of the envelope styles below to jump to their standard sizes: Regular Envelopes are the standard of business envelopes. When it comes to ordering an envelope, it's important to understand which sizes are standard and most popular. Business Envelopes for Direct and Transactional Mail Sizes 6-1/4 envelope, 3-1/2 x 6 inches, 3-1/4 x 5-3/4 inches 6-3/4 envelope, 3-5/8 x 6-1/2 inches, 3-3/8.

Standard envelope sizes in inches