Milligram

Grains

Approx.

Milligram

Grains

Approx.

Milligram

Grains

Approx.

0.1

0.00154

1/648

1

0.01543

1/65

10

0.15432

2/l3

0.2

0.00309

1/324

2

0.03086

1/33

20

0.30865

10/33

0.3

0.00463

1/216

3

0.04630

1/22

30

0.46297

5/11

0.4

0.00617

1/162

4

0.06173

1/16

40

0.61729

5/8

0.5

0.00772

1/130

5

0.07716

1/13

50

0.77162

23/30

0.6

0.00926

1/108

6

0.09259

1/11

60

0.92594

12/l3

0.7

0.01080

1/93

7

0.10803

2/19

70

1.08026

11/12

0.8

0.01235

1/81

8

0.12346

1/8

80

1.23459

11/4

0.9

0.01389

1/72

9

0.13889

1/7

90

1.38891

13/8

1.0

0.01543

1/65

10

0.15432

2/l3

100

1.54324

11/2

Milligram

Grains

Approx.

Gm.

Grains

Gm.

Avoirdupois oz. + grains

Apothecaries' oz. + grains

100

1.54324

1 1/2

1

15.4324

10

0

154.3

0

154.3

200

3.08647

3

2

30.8647

20

0

308.6

0

308.6

300

4.62971

4%

3

46.2971

30

1

25.5

0

462.9

400

6.17294

6%

4

61.7294

40

1

179.8

1

137.3

500

7.71618

7%

5

77.1618

50

1

334.1

1

291.6

600

9.25941

9 1/4

6

92.5941

60

2

50.9

1

445.9

700

10.80265

10 4/5

7

108.0265

70

2

205.3

2

120.3

800

12.34589

12 1/3

8

123.4859

80

2

359.6

2

274.6

900

13.88912

13%

9

138.8912

90

3

76.4

2

428.9

1000

15.43236

15 1/2

10

154.3236

100

3

230.7

3

103.2

Volumes:

Mils

Equivalent

Mils

Equivalent

Mils

Equivalent

minims

fl. oz.

minims

pint

fl. oz.

minims

1

16.231

10

0

162.3

100

0

3

183.1

2

32.462

20

0

324.6

200

0

6

366.2

3

48.693

30

1

6.9

300

0

10

69.3

4

64.924

40

1

169.2

400

0

13

252.4

5

81.156

50

1

331.6

500

0

435.6

6

97.387

60

2

13.9

600

4

138.7

7

113.618

70

2

176.2

700

7

321.8

8

129.849

80

2

338.5

800

11

24.9

9

146.080

90

3

20.8

900

14

208.0

10

162.311

100

3

183.1

1000

2

1

391.1

Adapted from the United States Pharmacopeia, IXth ed.