standard envelope size in cm
Standard envelope sizes in cm vary by type and region. Common international sizes include:
- C6: 11.4 x 16.2
- C5: 16.2 x 22.9
- C4: 22.9 x 32.4
- DL: 11.0 x 22.0
In the US, a common size is #10: 24.1 x 10.5
standard envelope size in inches
The standard envelope size in the United States is typically the #10 envelope, which measures 4.125 inches by 9.5 inches. Other common sizes include:
- A2: 4.375 inches by 5.75 inches
- A6: 4.75 inches by 6.5 inches
- A7: 5 inches by 7 inches
- A9: 5.75 inches by 8.75 inches
standard letter envelope sizes
Standard letter envelope sizes vary by region, but common ones include:
In the United States, the #10 envelope is the most widely used for business letters, measuring 4.125 inches by 9.5 inches.
In the United Kingdom and other countries following ISO standards, popular sizes are C5 at 162 mm by 229 mm, which fits an A4 sheet folded once, and DL at 110 mm by 220 mm, often used for standard business correspondence.
Other common US sizes include #9 at 3.875 inches by 8.875 inches and A2 at 4.375 inches by 5.75 inches for smaller letters or invitations.
a1 envelope size
The standard size for an A1 envelope is typically 648 mm by 917 mm, based on the C1 envelope designed to hold A1 paper.
commercial envelope size
Commercial envelope size generally refers to standard dimensions used for business correspondence and mailing. In the United States, the most common is the #10 envelope, measuring 4.125 inches by 9.5 inches (104.78 mm by 241.3 mm), designed to fit a standard 8.5 by 11-inch sheet of paper folded in thirds. Other popular sizes include:
- #9: 3.875 inches by 8.875 inches
- #6 3/4: 3.625 inches by 6.5 inches
- #7 3/4: 3.75 inches by 6.75 inches
These sizes are widely used for letters, invoices, and documents, and are available in various materials like plain paper or window styles for addressing. In the UK and other regions, equivalent sizes might be A4-compatible, such as DL (110 mm by 220 mm) or C5 (162 mm by 229 mm), but #10 remains the standard in U.S. contexts. Always check with envelope manufacturers for exact specifications, as slight variations can occur.
a2 envelope size
The A2 envelope size, commonly used in the US for invitations and cards, measures 4.375 inches by 5.75 inches (approximately 111 mm by 146 mm).
a7 envelope size
The A7 envelope size, based on the ISO 216 standard, measures 74 mm by 105 mm. It is designed to fit A7 paper or cards of the same dimensions.
a6 envelope size
The standard size for an A6 envelope is 114 mm x 162 mm (approximately 4.5 inches x 6.4 inches). This size is based on the C6 envelope, which is commonly used to fit A6 paper (105 mm x 148 mm) with room for insertion and sealing.