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REFERENCE CALCULATOR

32.4 (A)/00.022

Particle Size
Volume
Weight
Length
Temperature
Flow Rate
Units of Measure
Fractions
Ring Size

 

Particle Size Reference Calculator

Mesh Size
Microns
Inches
Millimeters
Nanometers
10
2000
0.0787
2
2,000,000
12
1680
0.0661
1.679
1,679,000
14
1410
0.0555
1.41
1,410,000
16
1190
0.0469
1.191
1,191,000
18
1000
0.0394
1.001
1,001,000
20
841
0.0331
0.841
841,000
25
707
0.0278
0.706
706,000
30
595
0.0234
0.594
594,000
35
500
0.0197
0.5
500,000
40
420
0.0165
0.419
419,000
45
354
0.0139
0.353
353,000
50
297
0.0117
0.297
297,000
60
250
0.0098
0.249
249,000
70
210
0.0083
0.211
211,000
80
177
0.007
0.178
178,000
100
149
0.0059
0.15
150,000
120
125
0.0049
0.125
125,000
140
105
0.0041
0.104
104,000
170
88
0.0035
0.089
89,000
230
63
0.0025
0.064
64,000
270
53
0.0021
0.053
53,000
325
43
0.0017
0.043
43,000
400
38
0.001501
0.038
38,000
N.A.
20
N.M.
0.02
20,000
N.A.
10
N.M.
0.01
10,000
N.A.
1
N.M.
0.001
1,000
N.A.
0.9
N.M.
0.0009
900
N.A.
0.1
N.M.
0.0001
100
N.A.
0.05
N.M.
0.00005
50
N.A.
0.02
N.M.
0.00002
20
N.A.
0.01
N.M.
0.00001
10


Volume Reference Calculator

From/To cm3 liter m3 in3 ft3 yd3 fl oz fl pt fl qt gal
cm3
1
0.001
1 x 10-6
0.06102
3.53x10-5
1.31x10-6
0.03381
0.00211
0.00106
2.64x10-4
liter
1000
1
0.001
61.02
0.03532
0.00131
33.81
2.113
1.057
0.2642
m3
1 x 106
1000
1
6.10x104
35.31
1.308
3.38x104
2113
1057
264.2
in3
16.39
0.01639
1.64x10-5
1
5.79x10-4
2.14x10-5
0.5541
0.03463
0.01732
0.00433
ft3
2.83x104
28.32
0.02832
1728
1
0.03704
957.5
69.84
29.92
7.481
yd3
7.65x105
764.5
0.7646
4.67x104
27
1
2.59x104
1616
807.9
202
fl oz
29.57
0.02957
2.96x10-5
1.805
0.00104
3.87x10-5
1
0.0625
0.03125
0.00781
fl pt
473.2
0.4732
473x10-4
28.88
0.01671
619x10-4
16
1
0.6
0.125
fl qt
946.4
0.9463
9.46x10-4
57.75
0.03342
0.00124
32
2
1
0.25
gal
3785
3.786
0.00379
231
0.1337
0.00495
128
8
4
1



Weight Reference Calculator

From/To g kg metric ton grain oz lb
g
1
0.001
1 x 10-6
15.43
0.03527
0.0022
kg
1000
1
0.001
1.54 x 104
35.27
2.205
metric ton
1 x 106
1000
1
1.54 x 107
3.53 x 104
2205
grain
6.48 x 10-2
6.48 x 10-5
6.48 x 10-5
1
2.29 x 10-3
1.43 x 10-4
oz
28.35
0.02835
2.83 x 10-5
437.5
1
0.0625
lb
453.6
0.4536
4.54 x 104
7000
16
1



Length Reference Calculator

From/To cm m km in ft mile
cm
1
0.01
1 x 10-5
0.3937
0.03281
6.214 x 10-6
m
100
1
0.001
39.37
3.281
6.214 x 10-4
km
1 x 105
1000
1
3.94 x 104
3281
0.6214
in
2.54
0.0254
2.540 x 10-5
1
0.08333
1.578 x10-5
ft
30.48
0.3048
3.048 x 10-4
12
1
18.94 x 10-4
mile
1.609 x 105
1609
1.609
6.336 x 104
5280
1



Temperature Reference Calculator

°C to °F °F to °C
(°C x 9/5) + 32 = °F (°F-32) x 5/9 = °C



Flow Rate Reference Calculator

From/To lit/sec gal/min ft3/sec ft3/min bbl/hr bbl/day
lit/sec 1 15.85 2.228 x 10-3 2.119 22.66 543.8
gal/min 6.308 x 10-2 1 3.532 x 10-2 0.1337 1.429 34.3
ft3/sec 28.32 448.8 1 60 641.1 1.54 x 104
ft3/min 0.4719 7.481 1.667 x 10-2 1 10.69 256.5
bbl/hr 4.415 x 10-2 0.6997 1.56 x 10-3 9.359 x 10-2 1 24
bbl/day 1.84 x 10-3 2.917 x 10-2 6.50 x 10-5 3.90 x 10-3 4.167 x 10-2 1



Units of Measure Reference Calculator

Percent Parts per Million Parts per Billion Parts per Trillion
0.001%
10 ppm
-
-
0.0001%
1 ppm
1,000 ppb
1,000,000 ppt
0.00001%
.1 ppm
100 ppb
100,000 ppt
0.000001%
.01 ppm
10 ppb
10,000 ppt
-
.001 ppm
1 ppb
1,000 ppt
-
.0001 ppm
.1 ppb
100 ppt
-
-
.01 ppb
10 ppt
-
-
.001 ppb
1 ppt



Fractions Reference Calculator

Prefix Factor Fraction
centi 10-2 1/100 (part per hundred)
milli 10-3 1/1,000 (part per thousand)
micro 10-6 1/1,000,000 (ppm, part per million)
nano 10-9 1/1,000,000,000 (ppb, part per billion)
pico 10-12 1/1,000,000,000,000 (ppt, part per trillion)
femto 10-15 1/1,000,000,000,000,000 (ppq, part per quadrillion)
atto 10-18 1/1,000,000,000,000,000,000 (part per quintillion)

 

U.S. and European Ring Size Chart

US  Size

Dia.in inch

Dia. in MM

British 

French 

German 

Japanese 

Swiss 

0000

.390

9.91

-

 

 

 

 

00

.422

10.72

-

 

 

 

 

0

.454

11.53

-

 

 

 

 

1/2

.474

11.95

A

 

 

 

 

3/4

.482

12.18

A 1/2

 

 

 

 

1

.487

12.37

B

 

 

1

 

1 1/4

-

12.60

B 1/2

 

 

 

 

1 1/2

.503

12.78

C

 

 

 

 

1 3/4

-

13.00

C 1/2

 

 

 

 

2

.520

13.21

D

41 1/2

13 1/2

2

1 1/2

2 1/4

-

13.41

D 1/2

-

-

 

 

2 1/2

.536

13.61

E

42 3/4

13 3/4

3

2 3/4

2 3/4

-

13.83

E 1/2

-

-

 

 

3

.553

14.05

F

44

14

4

4

3 1/8

-

14.15

F 1/2

-

-

 

 

3 1/4

-

14.25

-

-

-

 

 

3 3/8

-

14.36

G

45 1/4

-

5

5 1/4

3 1/2

.569

14.45

-

-

14 1/2

 

 

3 5/8

-

14.56

 G 1/2

-

 

6

 

3 3/4

-

14.65

H

46 1/2

 

 

6 1/2

4

.585

14.86

H 1/2

-

15

7

 

4 1/4

-

15.04

47 3/4

 

 

7 3/4

4 1/2

.601

15.27

I 1/2

-

15 1/4

8

 

4 5/8

-

15.40

J

49

15 1/2

 

9

4 3/4

-

15.53

-

-

 

 

 

5

.618

15.70

J 1/2

-

15 3/4

9

 

5 1/8

-

15.80

K

50

 

 

10

5 1/4

-

15.90

-

-

 

 

 

5 3/8

-

16.0

K 1/2

-

 

10

 

5 1/2

.634

16.10

L

51 3/4

16

 

11 3/4

5 3/4

-

16.30

-

-

 

 

 

5 7/8

-

16.41

L 1/2

-

 

 

 

6

.650

16.51

M

52 3/4

16 1/2

12

12 3/4

6 1/4

-

16.71

M 1/2

-

 

 

 

6 1/2

.666

16.92

N

54

17

13

14

6 3/4

-

17.13

N 1/2

-

 

 

 

7

.683

17.35

O

55 1/4

17 1/4

14

15 1/4

7 1/4

-

17.45

O 1/2

-

 

 

 

7 1/2

.699

17.75

P

56 1/2

17 3/4

15

16 1/2

7 3/4

-

17.97

P 1/2

-

 

 

 

8

.716

18.19

Q

57 3/4

18

16

17 3/4

8 1/4

-

18.35

Q 1/2

-

 

 

 

8 1/2

.732

18.53

-

-

18 1/2

17

 

8 5/8

-

18.61

R

59

 

 

19

8 3/4

-

18.69

-

-

 

 

 

8 7/8

-

18.80

R 1/2

-

 

 

 

9

.748

18.89

-

-

19

18

 

9 1/8

-

19.10

S

60 1/4

 

 

20 1/4

9 1/4

-

19.22

-

-

 

 

 

9 3/8

-

19.31

S 1/2

-

 

 

 

9 1/2

.764

19.41

-

-

19 1/2

19

 

9 5/8

-

19.51

T

61 1/2

 

 

21 1/2

9 3/4

-

19.62

-

-

 

 

 

10

.781

19.84

T 1/2

-

20

20

 

10 1/4

-

20.02

U

62 3/4

 

21

22 3/4

10 1/2

.797

20.20

U 1/2

-

20 1/4

22

 

10 5/8

-

20.32

V

63

 

 

23 3/4

10 3/4

-

20.44

-

-

 

 

 

11

.814

20.68

V 1/2

-

20 3/4

23

 

11 1/8

-

20.76

W

65

 

 

25

11 1/4

-

20.85

-

-

 

 

 

11 3/8

-

20.94

W 1/2

-

 

 

 

11 1/2

-

21.08

-

-

21

24

 

11 5/8

.830

21.18

X

66 1/4

 

 

26 1/4

11 3/4

-

21.24

-

-

 

 

 

11 7/8

-

21.30

X 1/2

-

 

 

 

12

.846

21.49

Y

67 1/2

21 1/4

25

27 1/2

12 1/4

-

21.69

Y 1/2

-

 

 

 

12 1/2

.862

21.89

Z

68 3/4

21 3/4

26

28 3/4

12 3/4

-

22.10

Z 1/2

-

 

 

 

13

.879

22.33

-

-

22

27

 

 

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