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Foreword
Conversion table
Method of using the conversion table
The Conversion Table in this section is provided to enable simple conversion of figures. For details of the
method of using the Conversion Table, see the example given below.
Example
•
Method of using the Conversion Table to convert from millimeters to inches
1. Convert 55 mm into inches.
1) Locate the number 50 in the vertical column at the left side, take this as (A), then draw a horizontal line
from (A).
2) Locate the number 5 in the row across the top, take this as (B), then draw a perpendicular line down
from (B).
3) Take the point where the two lines cross as (C). This point (C) gives the value when converting from
millimeters to inches. Therefore, 55 mm = 2.165 inches.
2. Convert 550 mm into inches.
1) The number 550 does not appear in the table, so divide by 10 (move the decimal point one place to the
left) to convert it to 55 mm.
2) Carry out the same procedure as above to convert 55 mm to 2.165 inches.
3) The original value (550 mm) was divided by 10, so multiply 2.165 inches by 10 (move the decimal point
one place to the right) to return to the original value. This gives 550 mm = 21.65 inches.
Millimeters to inches
0
0
0
10
0.394
20
0.787
30
1.181
40
1.575
50
1.969
(A)
60
2.362
70
2.756
80
3.150
90
3.543
00-16
1
2
3
0.039
0.079
0.118
0.433
0.472
0.512
0.827
0.866
0.906
1.220
1.260
1.299
1.614
1.654
1.693
2.008
2.047
2.087
2.402
2.441
2.480
2.795
2.835
2.874
3.189
3.228
3.268
3.583
3.622
3.661
(B)
4
5
6
0.157
0.197
0.236
0.551
0.591
0.630
0.945
0.984
1.024
1.339
1.378
1.417
1.732
1.772
1.811
(C)
2.165
2.126
2.205
2.520
2.559
2.598
2.913
2.953
2.992
3.307
3.346
3.386
3.701
3.740
3.780
Conversion table
1 mm = 0.03937 in
7
8
9
0.276
0.315
0.354
0.669
0.709
0.748
1.063
1.102
1.142
1.457
1.496
1.536
1.850
1.890
1.929
2.244
2.283
2.323
2.638
2.677
2.717
3.032
3.071
3.110
3.425
3.465
3.504
3.819
3.858
3.898
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