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The table below gives a Metric to Imperial measurement cross reference. (Down
load the .csv file at the bottom of this page and print out to give you a useful wall chart
for the workshop)
| Decimal |
|
Fractional |
|
Decimal |
|
Decimal
- cont' |
| Inches |
mm |
|
Inches |
mm |
mm |
Inches |
|
mm |
Inches |
| 0.001 |
0.02540 |
|
1/64 |
0.39688 |
0.01 |
0.00039 |
|
3.00 |
0.11811 |
| 0.002 |
0.05080 |
|
1/32 |
0.79375 |
0.02 |
0.00079 |
|
3.10 |
0.12205 |
| 0.003 |
0.07620 |
|
3/64 |
1.19063 |
0.03 |
0.00118 |
|
3.20 |
0.12598 |
| 0.004 |
0.10160 |
|
1/16 |
1.58750 |
0.04 |
0.00157 |
|
3.30 |
0.12992 |
| 0.005 |
0.12700 |
|
5/64 |
1.98438 |
0.05 |
0.00197 |
|
3.40 |
0.13386 |
| 0.006 |
0.15240 |
|
3/32 |
2.38125 |
0.06 |
0.00236 |
|
3.50 |
0.13780 |
| 0.007 |
0.17780 |
|
7/64 |
2.77813 |
0.07 |
0.00276 |
|
3.60 |
0.14173 |
| 0.008 |
0.20320 |
|
1/8 |
3.17500 |
0.08 |
0.00315 |
|
3.70 |
0.14567 |
| 0.009 |
0.22860 |
|
9/64 |
3.57188 |
0.09 |
0.00354 |
|
3.80 |
0.14961 |
| 0.010 |
0.25400 |
|
5/32 |
3.96875 |
0.10 |
0.00394 |
|
3.90 |
0.15354 |
| 0.020 |
0.50800 |
|
11/64 |
4.36563 |
0.20 |
0.00787 |
|
4.00 |
0.15748 |
| 0.030 |
0.76200 |
|
3/16 |
4.76250 |
0.30 |
0.01181 |
|
4.10 |
0.16142 |
| 0.040 |
1.01600 |
|
13/64 |
5.15938 |
0.40 |
0.01575 |
|
4.20 |
0.16535 |
| 0.050 |
1.27000 |
|
7/32 |
5.55625 |
0.50 |
0.01969 |
|
4.30 |
0.16929 |
| 0.060 |
1.52400 |
|
15/64 |
5.95313 |
0.60 |
0.02362 |
|
4.40 |
0.17323 |
| 0.070 |
1.77800 |
|
1/4 |
6.35000 |
0.70 |
0.02756 |
|
4.50 |
0.17717 |
| 0.080 |
2.03200 |
|
17/64 |
6.74688 |
0.80 |
0.03150 |
|
4.60 |
0.18110 |
| 0.090 |
2.28600 |
|
9/32 |
7.14375 |
0.90 |
0.03543 |
|
4.70 |
0.18504 |
| 0.100 |
2.54000 |
|
19/64 |
7.54063 |
1.00 |
0.03937 |
|
4.80 |
0.18898 |
| 0.150 |
3.81000 |
|
5/16 |
7.93750 |
1.05 |
0.04134 |
|
4.90 |
0.19291 |
| 0.200 |
5.08000 |
|
21/64 |
8.33438 |
1.10 |
0.04331 |
|
5.00 |
0.19685 |
| 0.250 |
6.35000 |
|
11/32 |
8.73125 |
1.15 |
0.04528 |
|
5.10 |
0.20079 |
| 0.300 |
7.62000 |
|
23/64 |
9.12813 |
1.20 |
0.04724 |
|
5.20 |
0.20472 |
| 0.350 |
8.89000 |
|
3/8 |
9.52500 |
1.25 |
0.04921 |
|
5.30 |
0.20866 |
| 0.400 |
10.16000 |
|
25/64 |
9.92188 |
1.30 |
0.05118 |
|
5.40 |
0.21260 |
| 0.450 |
11.43000 |
|
13/32 |
10.31875 |
1.35 |
0.05315 |
|
5.50 |
0.21654 |
| 0.500 |
12.70000 |
|
27/64 |
10.71563 |
1.40 |
0.05512 |
|
5.60 |
0.22047 |
| 0.550 |
13.97000 |
|
7/16 |
11.11250 |
1.45 |
0.05709 |
|
5.70 |
0.22441 |
| 0.600 |
15.24000 |
|
29/64 |
11.50938 |
1.50 |
0.05906 |
|
5.80 |
0.22835 |
| 0.650 |
16.51000 |
|
15/32 |
11.90625 |
1.55 |
0.06102 |
|
5.90 |
0.23228 |
| 0.700 |
17.78000 |
|
31/64 |
12.30313 |
1.60 |
0.06299 |
|
6.00 |
0.23622 |
| 0.750 |
19.05000 |
|
1/2 |
12.70000 |
1.65 |
0.06496 |
|
6.10 |
0.24016 |
| 0.800 |
20.32000 |
|
33/64 |
13.09688 |
1.70 |
0.06693 |
|
6.20 |
0.24409 |
| 0.850 |
21.59000 |
|
17/32 |
13.49375 |
1.75 |
0.06890 |
|
6.30 |
0.24803 |
| 0.900 |
22.86000 |
|
35/64 |
13.89063 |
1.80 |
0.07087 |
|
6.40 |
0.25197 |
| 0.950 |
24.13000 |
|
9/16 |
14.28750 |
1.85 |
0.07283 |
|
6.50 |
0.25591 |
| 1.000 |
25.40000 |
|
37/64 |
14.68438 |
1.90 |
0.07480 |
|
6.60 |
0.25984 |
| 1.050 |
26.67000 |
|
19/32 |
15.08125 |
1.95 |
0.07677 |
|
6.70 |
0.26378 |
| 1.100 |
27.94000 |
|
39/64 |
15.47813 |
2.00 |
0.07874 |
|
6.80 |
0.26772 |
| 1.150 |
29.21000 |
|
5/8 |
15.87500 |
2.05 |
0.08071 |
|
6.90 |
0.27165 |
| 1.200 |
30.48000 |
|
41/64 |
16.27188 |
2.10 |
0.08268 |
|
7.00 |
0.27559 |
| 1.250 |
31.75000 |
|
21/32 |
16.66875 |
2.15 |
0.08465 |
|
7.10 |
0.27953 |
| 1.300 |
33.02000 |
|
43/64 |
17.06563 |
2.20 |
0.08661 |
|
7.20 |
0.28346 |
| 1.350 |
34.29000 |
|
11/16 |
17.46250 |
2.25 |
0.08858 |
|
7.30 |
0.28740 |
| 1.400 |
35.56000 |
|
45/64 |
17.85938 |
2.30 |
0.09055 |
|
7.40 |
0.29134 |
| 1.450 |
36.83000 |
|
23/32 |
18.25625 |
2.35 |
0.09252 |
|
7.50 |
0.29528 |
| 1.500 |
38.10000 |
|
47/64 |
18.65313 |
2.40 |
0.09449 |
|
7.60 |
0.29921 |
| 1.550 |
39.37000 |
|
3/4 |
19.05000 |
2.45 |
0.09646 |
|
7.70 |
0.30315 |
| 1.600 |
40.64000 |
|
49/64 |
19.44688 |
2.50 |
0.09843 |
|
7.80 |
0.30709 |
| 1.650 |
41.91000 |
|
25/32 |
19.84375 |
2.55 |
0.10039 |
|
7.90 |
0.31102 |
| 1.700 |
43.18000 |
|
51/64 |
20.24063 |
2.60 |
0.10236 |
|
8.00 |
0.31496 |
| 1.750 |
44.45000 |
|
13/16 |
20.63750 |
2.65 |
0.10433 |
|
8.10 |
0.31890 |
| 1.800 |
45.72000 |
|
53/64 |
21.03438 |
2.70 |
0.10630 |
|
8.20 |
0.32283 |
| 1.850 |
46.99000 |
|
27/32 |
21.43125 |
2.75 |
0.10827 |
|
8.30 |
0.32677 |
| 1.900 |
48.26000 |
|
55/64 |
21.82813 |
2.80 |
0.11024 |
|
8.40 |
0.33071 |
| 1.950 |
49.53000 |
|
7/8 |
22.22500 |
2.85 |
0.11220 |
|
8.50 |
0.33465 |
| 2.000 |
50.80000 |
|
57/64 |
22.62188 |
2.90 |
0.11417 |
|
8.60 |
0.33858 |
| 2.050 |
52.07000 |
|
29/32 |
23.01875 |
2.95 |
0.11614 |
|
8.70 |
0.34252 |
| 2.100 |
53.34000 |
|
59/64 |
23.41563 |
3.00 |
0.11811 |
|
8.80 |
0.34646 |
| 2.150 |
54.61000 |
|
15/16 |
23.81250 |
|
|
|
8.90 |
0.35039 |
| 2.200 |
55.88000 |
|
61/64 |
24.20938 |
|
|
|
9.00 |
0.35433 |
| 2.250 |
57.15000 |
|
31/32 |
24.60625 |
|
|
|
9.10 |
0.35827 |
| 2.300 |
58.42000 |
|
63/64 |
25.00313 |
|
|
|
9.20 |
0.36220 |
| 2.350 |
59.69000 |
|
1 |
25.40000 |
|
|
|
9.30 |
0.36614 |
| 2.400 |
60.96000 |
|
|
|
|
|
|
9.40 |
0.37008 |
| 2.450 |
62.23000 |
|
|
|
|
|
|
9.50 |
0.37402 |
| 2.500 |
63.50000 |
|
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