mm          in

kg

粒(近似)

 about

mm       in

kg

粒（近似）

about

0.5000

0.00051

1960780

13.4938    17/32

10.0

100

0.6800

0.00128

781250

14.0000

11.18

89

0.8000

0.00209

478470

14.2875     9/16

11.9

84.

1.0000

0.00408

245100

15.0812    19/32

14.0

71.4

1.2000

0.00705

141840

15.8750     5/8

16.3

61.3

1.3000

0.00893

111980

16.0000

16.69

59.9

1.4500

0.0124

80645

16.6688     21/32

18.9

52.9

1.5880      1/16

0.016

62350

17.0000

20.02

50

1.7500

0.0218

45871

17.4625     11/16

21.7

46.1

2.0000

0.0326

30700

18.2562     23/32

24.8

40.3

2.3812      3/32

0.055

18182

19.0000

27.96

35.77

2.5000

0.0637

15698

19.0500      3/4

28.2

35.5

2.7780

0.088

11349

19.8438     25/32

31.9

31.4

3.0000

0.11

9091

20.6370     13/16

35.8

27.9

3.1750       1/8

0.131

7634

21.0000

37.75

26.49

3.5000

0.175

5717

21.4313     27/32

40.1

24.9

3.9688       5/32

0.255

3922

22.2250      7/8

44.8

22.3

4.0000

0.261

3831

23.0000

49.59

20.17

4.7625       3/16

0.441

2268

23.0188     29/32

49.8

20.1

5.0000

0.51

1961

23.8125     15/16

55.1

18.2

5.5562       7/32

0.699

1431

24.0000

56.34

17.75

5.9531      15/64

0.86

1163

24.6063     31/32

60.8

16.5

6.0000

0.881

1136

25.0000

63.68

15.7

6.3500       1/4

1.04

962

25.4000       1

66.8

15

6.5000

1.119

894

26.1938    1-1/32

73.3

13.64

6.7469      17/64

1.25

800

26.9875    1-1/16

80.2

12.47

7.1438      9/32

1.49

671

27.7812    1-3/32

87.4

11.4

7.9375      5/16

2.04

490

28.0000

89.47

11.18

8.0000

2.09

478

28.5750     1-1/8

95.2

10.5

8.5000

2.5

400

30.1625    1-3/16

112

8.93

8.7312      11/32

2.71

369

31.7500     1-1/4

130.6

7.66

9.0000

2.97

337

33.3375    1-5/16

151.1

6.62

9.5250       3/8

3.52

284

34.9250    1-3/8

173.8

5.75

10.0000

4.08

245

36.5125    1-7/16

198.6

5.04

10.3188     13/32

4.48

223

38.1000     1-1/2

225.6

4.43

11.0000

5.42

185

40.0000

261.1

3.83

11.1125      7/16

5.6

179

41.2750     1-5/8

286.8

3.49

11.5000

6.22

161

42.9625   1-11/16

321.2

3.11

11.5094     29/64

6.22

161

44.4500     1-3/4

358.2

2.79

11.9062     15/32

6.88

145

47.6250     1-7/8

440.5

2.27

12.0000

7.04

142

50.8000       2

534.8

1.87

12.3031     31/64

7.6

132

57.1500     2-1/4

761.5

1.31

12.7000      1/2

8.35

120

60.0000

881.1

1.14