Conversion Table – Imperial/Metric

1" = 25.40 mm

inches	mm	inches	mm	inches	mm	inches	mm
0.01	0.0254	0.210	5.334	0.470	11.938	0.740	18.796
0.002	0.0508	7/32 0.218	5.5562	0.480	12.192	3/4 0.750	19.050
0.003	0.0762	0.220	5.588	0.490	12.446	0.760	19.304
0.004	0.1016	0.230	5.842	1/2 0.500	12.700	0.770	19.558
0.005	0.1270	0.240	6.096	0.510	12.954	0.780	19.812
0.006	0.1524	1/4 0.250	6.350	0.520	13.208	25/32 0.781	19.8438
0.007	0.1778	0.260	6.604	0.530	13.462	0.790	20.066
0.008	0.2032	0.270	6.858	17/32 0.531	13.4938	0.800	20.320
0.009	0.2286	9/32 0.281	7.1438	0.540	13.716	0.810	20.574
0.010	0.2540	0.280	7.112	0.550	13.970	13/16 0.812	20.6375
0.020	0.5080	0.290	7.366	0.560	14.224	0.820	20.828
0.030	0.7620	0.300	7.620	9/16 0.562	14.2875	0.830	21.082
1/32 0.031	0.7938	0.310	7.874	0.570	14.478	0.840	21.336
0.040	1.0160	5/16 0.312	7.9375	0.580	14.732	27/32 0.843	21.4312
0.050	1.2700	0.320	8.128	0.590	14.986	0.850	21.590
0.060	1.5240	0.330	8.382	19/32 0.593	15.0812	0.860	21.844
1/16 0.625	1.5875	0.340	8.636	0.600	15.240	0.870	22.098
0.070	1.7780	11/32 0.343	8.7312	0.610	15. 494	7/8 0.875	22.2250
0.080	2.0320	0.350	8.890	0.620	15.748	0.880	22.352
0.090	2.2860	0.360	9.144	0.625	15.8750	0.890	22.606
3/32 0.937	2.3812	0.370	9.398	0.630	16.002	0.900	22.860
0.100	2.5400	3/8 0.375	9.5250	0.640	16.256	29/32 0.906	23.0188
0.110	2.7940	0.380	9.652	0.650	16.510	0.910	23.114
0.120	3.0480	0.390	9.906	21/32 0.656	16.6688	0.920	23.368
1/8 0.125	3.1750	0.400	10.160	0.660	16.764	0.930	23.622
0.130	3.3020	0.400	10.160	0.670	17.018	15/16 0.937	23.8125
0.140	3.5560	13/32 0.406	10.3188	0.680	17.272	0.940	23.876
0.150	3.8100	0.410	10.414	11/16 0.687	17.4625	0.950	24.130
5/32 0.156	3.9688	0.420	10.668	0.690	17.526	0.960	24.384
0.160	4.0640	0.430	10.922	0.700	17.780	31/32 0.968	24.6062
0.170	4.3180	7/16 0.437	11.1125	0.710	18.034	0.970	24.638
0.180	4.5720	0.440	11.176	23/32	18.2562	0.980	24.892
0.187	4.7625	0.450	11.430	0.720	18.288	0.990	25.146
0.190	4.8260	0.460	11.684	0.730	18.542	1.000	25.4000
0.200	5.0800	15/32 0.468	11.9062