inch/metric conversion table
Millimiters to Inches | Fractional to Decimal
Example: To look up the inch equivalent of 15mm, find 10 on the horizontal axis and 5 on the vertical axis. Their intersection is the inch equivalent.
15mm = .59055 inch | 1 inch = 25.4mm
Millimeters to Inches
| mm |
0 |
10 |
20 |
30 |
40 |
50 |
| 0 |
0.00000 |
0.39370 |
0.78740 |
1.18110 |
1.57480 |
1.96850 |
| 1 |
0.03937 |
0.43307 |
0.82677 |
1.22047 |
1.61417 |
2.00787 |
| 2 |
0.07874 |
0.47244 |
0.86614 |
1.25984 |
1.65354 |
2.04724 |
| 3 |
0.11811 |
0.51181 |
0.90551 |
1.29921 |
1.69291 |
2.08661 |
| 4 |
0.15748 |
0.55118 |
0.94488 |
1.33858 |
1.73228 |
2.12598 |
| 5 |
0.19685 |
0.59055 |
0.98425 |
1.37795 |
1.77165 |
2.16535 |
| 6 |
0.23622 |
0.62992 |
1.02362 |
1.41732 |
1.81102 |
2.20472 |
| 7 |
0.27559 |
0.66929 |
1.06299 |
1.45669 |
1.85039 |
2.24409 |
| 8 |
0.31496 |
0.70866 |
1.10236 |
1.49606 |
1.88976 |
2.28346 |
| 9 |
0.35433 |
0.74803 |
1.14173 |
1.53543 |
1.92913 |
2.32283 |
| mm |
60 |
70 |
80 |
90 |
100 |
110 |
| 0 |
2.36220 |
2.75591 |
3.14961 |
3.54331 |
3.93701 |
4.33071 |
| 1 |
2.40157 |
2.79528 |
3.18898 |
3.58268 |
3.97638 |
4.37008 |
| 2 |
2.44094 |
2.83465 |
3.22835 |
3.62205 |
4.01575 |
4.40945 |
| 3 |
2.48031 |
2.87402 |
3.26772 |
3.66142 |
4.05512 |
4.44882 |
| 4 |
2.51969 |
2.91339 |
3.30709 |
3.70079 |
4.09449 |
4.48819 |
| 5 |
2.55906 |
2.95276 |
3.34646 |
3.74016 |
4.13386 |
4.52756 |
| 6 |
2.59843 |
2.99213 |
3.38583 |
3.77953 |
4.17323 |
4.56693 |
| 7 |
2.63780 |
3.03150 |
3.42520 |
3.81890 |
4.21260 |
4.60630 |
| 8 |
2.67717 |
3.07087 |
3.46457 |
3.85827 |
4.25197 |
4.64567 |
| 9 |
2.71654 |
3.11024 |
3.50394 |
3.89764 |
4.29134 |
4.68504 |
| mm |
120 |
130 |
140 |
150 |
160 |
170 |
| 0 |
4.72441 |
5.11811 |
5.51181 |
5.90551 |
6.29921 |
6.69291 |
| 1 |
4.76378 |
5.15748 |
5.55118 |
5.94488 |
6.33858 |
6.73228 |
| 2 |
4.80315 |
5.19685 |
5.59055 |
5.98425 |
6.37795 |
6.77165 |
| 3 |
4.84252 |
5.23622 |
5.62992 |
6.02362 |
6.41732 |
6.81102 |
| 4 |
4.88189 |
5.27559 |
5.66929 |
6.06299 |
6.45669 |
6.85039 |
| 5 |
4.92126 |
5.31496 |
5.70866 |
6.10236 |
6.49606 |
6.88976 |
| 6 |
4.96063 |
5.35433 |
5.74803 |
6.14173 |
6.53543 |
6.92913 |
| 7 |
5.00000 |
5.39370 |
5.78740 |
6.18110 |
6.57480 |
6.96850 |
| 8 |
5.03937 |
5.43307 |
5.82677 |
6.22047 |
6.61417 |
7.00787 |
| 9 |
5.07874 |
5.47244 |
5.86614 |
6.25984 |
6.65354 |
7.04724 |
| mm |
180 |
190 |
200 |
210 |
220 |
230 |
| 0 |
7.08661 |
7.48031 |
7.87402 |
8.26772 |
8.66142 |
9.05512 |
| 1 |
7.12598 |
7.51969 |
7.91339 |
8.30709 |
8.70079 |
9.09449 |
| 2 |
7.16535 |
7.55906 |
7.95276 |
8.34646 |
8.74016 |
9.13386 |
| 3 |
7.20472 |
7.59843 |
7.99213 |
8.38583 |
8.77953 |
9.17323 |
| 4 |
7.24409 |
7.63780 |
8.03150 |
8.42520 |
8.81890 |
9.21260 |
| 5 |
7.28346 |
7.67717 |
8.07087 |
8.46457 |
8.85827 |
9.25197 |
| 6 |
7.32283 |
7.71654 |
8.11024 |
8.50394 |
8.89764 |
9.29134 |
| 7 |
7.36220 |
7.75591 |
8.14961 |
8.54331 |
8.93701 |
9.33071 |
| 8 |
7.40157 |
7.79528 |
8.18898 |
8.58268 |
8.97638 |
9.37008 |
| 9 |
7.44094 |
7.83465 |
8.22835 |
8.62205 |
9.01575 |
9.40945 |
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Fractional to Decimal
Fraction
Inch |
Decimal
Inch |
Decimal
mm |
| 1/64 |
0.01563 |
0.3969 |
| 1/32 |
0.03125 |
0.7938 |
| 3/64 |
0.04688 |
1.1906 |
| 1/16 |
0.06250 |
1.5875 |
| 5/64 |
0.07813 |
1.9844 |
| 3/32 |
0.09375 |
2.3813 |
| 7/64 |
0.10938 |
2.7781 |
| 1/8 |
0.12500 |
3.1750 |
| 9/64 |
0.14063 |
3.5719 |
| 5/32 |
0.15625 |
3.9688 |
| 11/64 |
0.17188 |
4.3656 |
| 3/16 |
0.18750 |
4.7625 |
| 13/64 |
0.20313 |
5.1594 |
| 7/32 |
0.21875 |
5.5562 |
| 15/64 |
0.23438 |
5.9531 |
| 1/4 |
0.25000 |
6.3500 |
| 17/64 |
0.26563 |
6.7469 |
| 9/32 |
0.28125 |
7.1438 |
| 5/16 |
0.31250 |
7.9375 |
| 11/32 |
0.34375 |
8.7313 |
| 3/8 |
0.37500 |
9.5250 |
| 13/32 |
0.40625 |
10.3188 |
| 7/16 |
0.43750 |
11.1125 |
| 15/32 |
0.46875 |
11.9063 |
| 1/2 |
0.50000 |
12.7000 |
| 17/32 |
0.53125 |
13.4937 |
| 9/16 |
0.56250 |
14.2875 |
| 19/32 |
0.59375 |
15.0812 |
| 5/8 |
0.62500 |
15.8750 |
| 11/16 |
0.68750 |
17.4625 |
| 3/4 |
0.75000 |
19.0500 |
| 13/16 |
0.81250 |
20.6375 |
| 7/8 |
0.87500 |
22.2250 |
| 15/16 |
0.93750 |
23.8125 |
| 1 |
1.00000 |
25.4000 |
| 1-1/16 |
1.06250 |
26.9875 |
| 1-1/8 |
1.12500 |
28.5750 |
| 1-3/16 |
1.18750 |
30.1625 |
| 1-1/4 |
1.25000 |
31.7500 |
| 1-5/16 |
1.31250 |
33.3375 |
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