Question
How big is a number 10 envelope?
Answer
A number 10 envelope, written as #10, is the standard size for business letters and the most common envelope in offices.
| Dimension | Measurement |
|---|---|
| Height | 4 1/8" |
| Length | 9 1/2" |
- It holds a standard 8.5" x 11" sheet folded into thirds.
- It is the default choice for invoices, statements, and letters.
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