top of page
ขนาดซองมาตรฐาน

STANDARD-SIZED ENVELOPE

contact ไทยการซอง

Comparison table of envelope and paper sizes for optimal usability.

ชื่อสินค้า
รูปซอง
ขนาดซอง
เหมาะสำหรับ
กระดาษ
ขนาดกระดาษ

DL

110 x 220 mm.
A4 Tri-fold
210 x 99 mm.

C6

115 x 162 mm.
A6 Paper
105 x 148 mm.

C5

162 x 229 mm.
A5 Paper
148 x 210 mm.

C4

229 x 324 mm.
A4 Paper
210 x 297 mm.

C3

324 x 457 mm.
A3 Paper
297 x 420 mm.

4.1/4 x 9.1//8

108 x 232 mm.
A6 Paper
105 x 148 mm.

5 x 10

127 x 254 mm.
B6 Paper
125 x 176 mm.

5 x 8

127 x 203 mm.
B6 Paper
125 x 176 mm.

6 x 9

153 x 229 mm.
A5 Paper
148 x 210 mm.

6 x 12

153 x 305 mm.
A5 Paper
148 x 210 mm.

7 x 10

178 x 254 mm.
B5 Paper
176 x 250 mm.

7.1/2 x 10.1/2

191 x 267 mm.
B5 Paper
176 x 250 mm.

8 x 11

203 x 280 mm.
B5 Paper
176 x 250 mm.

9 x 12

229 x 305 mm.
A4 Paper
210 x 297 mm.

10 x 12

254 x 305 mm.
A4 Paper
210 x 297 mm.

10 x 13

254 x 330 mm.
A4 Paper
210 x 297 mm.

10 x 14

254 x 356 mm.
B4 Paper
250 x 353 mm.

10 x 15

254 x 381 mm.
B4 Paper
250 x 353 mm.

11 x 16

280 x 407 mm.
B4 Paper
250 x 353 mm.

12 x 16

305 x 407 mm.
B4 Paper
250 x 353 mm.

12 x 17

305 x 432 mm.
A3 Paper
297 x 420 mm.

15 x 19

381 x 483 mm.
X-ray film
356 x 432 mm.

"You can view all product here."

Popular standard envelope sizes.

C3 Brown Envelope

An envelope that perfectly fits A3-sized paper is called a C3 envelope, which has dimensions of 324x457 mm. It is slightly larger than the standard unfolded A3 paper, which has dimensions of 297x420 mm.

ซองเอกสาร C3

C3

324 x 457 mm.

A3

297 x 420 mm.

C4 Brown Envelope

An envelope that can hold an unfolded standard A4 paper is called a C4 envelope, which has dimensions of 229x324 mm. It is slightly larger than standard unfolded A4 paper, which is 210x297 mm, allowing it to perfectly fit an A4 sheet.

ซองเอกสาร C4

C4

229 x 324 mm.

A4

210 x 297 mm.

C5 Brown Envelope

A C5 envelope is designed to hold an A4 paper folded in half or an A5 size paper. The C5 envelope measures 162x229 mm, perfectly fitting standard A5 paper sized 148x210 mm.

ซองเอกสาร C5

C5

162 x 229 mm.

A5

148 x 210 mm.

C6 Brown Envelope

The C6 envelope (115x162 mm) is designed for quarter-folded A4 or half-folded A5 paper, slightly larger than A6 size (105x148 mm), perfectly fit for A6 sheets.

ซองจดหมาย C6

C6

115 x 162 mm.

A6

105 x 148 mm.

DL Brown Envelope

The DL envelope (110x220 mm) is slightly larger than tri-fold A4 (210x99 mm), perfectly fitting a tri-fold A4 sheet and also called a business reply envelope.

ซองจดหมาย DL

DL

110 x 220 mm.

A4 Tri-fold

210 x 99 mm.

bottom of page