# Denier and Tex | Texhour

## The denier is based on a natural reference - a single strand of silk is approximately 9000-meters long and weighs about one gram. Tex is another unit of measure for the linear mass density of fibers and yarns and is defined as the mass in grams per 1000 meters.

### Denier:

The denier is based on a natural reference - a single strand of silk is approximately 9000-meters long and weighs about one gram.

The term micro-denier (or micro-fibers) is used to describe filaments that weigh less than one gram per 9000 meters.

### Tex:

Tex is another unit of measure for the linear mass density of fibers and yarns and is defined as the mass in grams per 1000 meters.

Tex is more likely to be used in Canada and Continental Europe, while denier remains more common in the United States, India, and the United Kingdom.

Comparison of Yarn Measurement

Denier

Tex

Cotton

Linen

50

5.6

106

298

75

8.3

72

198

100

11.1

53

149

150

16.6

35

99

200

22.2

27

74

300

33.4

18

50

400

44.4

13

37

500

55.5

11

30

700

77.7

7.6

22

1000

111

5.3

15

1500

166

3.5

10

2000

222

2.7

7