What is the size of an A4 envelope in inches?

8.3 inches by 11.7 inches
Envelope Size Chart for A Series

Paper Envelope Type A0
Paper Envelope Type A4
Paper Envelope Size 8.3 inches by 11.7 inches
EnvyPak Clear Envelope 16957 – 8.50(h) x 11.50(w)
Paper Envelope Type A5

What is the length height and width of an A4 envelope?

The most common of these sheet sizes is the international letterhead size A4, which measures 8-1/4 x 11-3/4 in, or 210 x 297 mm. These paper measurements are defined by the ISO 216 standard.

What are the envelope sizes?

COMMON ENVELOPE NAME STANDARD SIZE MAXIMUM ENCLOSURE SIZE
9 envelope 3-7/8 x 8-7/8 inches 3-5/8 x 8-5/8 inches
10 envelope 4-1/8 x 9-1/2 inches 3-7/8 x 9-1/4 inches
11 envelope 4-1/2 x 10-3/8 inches 4-1/4 x 10-1/8 inches
12 envelope 4-3/4 x 11 inches 4-1/2 x 10-3/4 inches

Is C4 the same as A4?

C4: This type of envelope is 324 mm by 229 mm in size which is typically A4, meaning that you can place a full unfolded sheet in.

What is half the size of A4?

A5
For example, the dimensions of A4 paper are 210x297mm, and half of A4 equals A5, and double A4 equals A3. Starting from A0, all subsequent A paper sizes are determined by halving the paper on its longest size.

Is A4 and C4 the same?

C4 ENVELOPE SIZE GUIDE A standard C4 envelope measures 324mm x 229mm. This is designed to fit unfolded A4 paper. Standard A4 paper size is 210mm x 297mm.

What is the difference between C4 and A4 envelopes?

The sizes of the A series paper fit in C series envelopes of the same number. Therefore, the C4 envelope will accommodate an A4 sized sheet without any folding. The C4 envelopes are designed such that they are bigger than the A4 piece of paper. This enables it to carry more A4 sheets, a catalogue or a brochure.