Decimal Conversions to HO scale Prototype inches													
Decimal	Scale		Decimal	Scale		Decimal	Scale	Scale		Decimal	Scale	Scale	
Measure	Inches		Measure	Inches		Measure	Inches	Feet		Measure	Inches	Feet	
0.001	0.09		0.051	4.44		0.110	9.58	0.80		0.610	53.13	4.43	
0.002	0.17		0.052	4.53		0.120	10.45	0.87		0.620	54.00	4.50	
0.003	0.26		0.053	4.62		0.130	11.32	0.94		0.630	54.87	4.57	
0.004	0.35		0.054	4.70		0.140	12.19	1.02		0.640	55.74	4.65	
0.005	0.44		0.055	4.79		0.150	13.07	1.09		0.650	56.62	4.72	
0.006	0.52		0.056	4.88		0.160	13.94	1.16		0.660	57.49	4.79	
0.007	0.61		0.057	4.96		0.170	14.81	1.23		0.670	58.36	4.86	
0.008	0.70		0.058	5.05		0.180	15.68	1.31		0.680	59.23	4.94	
0.009	0.78		0.059	5.14		0.190	16.55	1.38		0.690	60.10	5.01	
0.010	0.87		0.060	5.23		0.200	17.42	1.45		0.700	60.97	5.08	
0.011	0.96		0.061	5.31		0.210	18.29	1.52		0.710	61.84	5.15	
0.012	1.05		0.062	5.40		0.220	19.16	1.60		0.720	62.71	5.23	
0.013	1.13		0.063	5.49		0.230	20.03	1.67		0.730	63.58	5.30	
0.014	1.22		0.064	5.57		0.240	20.90	1.74		0.740	64.45	5.37	
0.015	1.31		0.065	5.66		0.250	21.78	1.81		0.750	65.33	5.44	
0.016	1.39		0.066	5.75		0.260	22.65	1.89		0.760	66.20	5.52	
0.017	1.48		0.067	5.84		0.270	23.52	1.96		0.770	67.07	5.59	
0.018	1.57		0.068	5.92		0.280	24.39	2.03		0.780	67.94	5.66	
0.019	1.65		0.069	6.01		0.290	25.26	2.10		0.790	68.81	5.73	
0.020	1.74		0.070	6.10		0.300	26.13	2.18		0.800	69.68	5.81	
0.021	1.83		0.071	6.18		0.310	27.00	2.25		0.810	70.55	5.88	
0.022	1.92		0.072	6.27		0.320	27.87	2.32		0.820	71.42	5.95	
0.023	2.00		0.073	6.36		0.330	28.74	2.40		0.830	72.29	6.02	
0.024	2.09		0.074	6.45		0.340	29.61	2.47		0.840	73.16	6.10	
0.025	2.18		0.075	6.53		0.350	30.49	2.54		0.850	74.04	6.17	
0.026	2.26		0.076	6.62		0.360	31.36	2.61		0.860	74.91	6.24	
0.027	2.35		0.077	6.71		0.370	32.23	2.69		0.870	75.78	6.31	
0.028	2.44		0.078	6.79		0.380	33.10	2.76		0.880	76.65	6.39	
0.029	2.53		0.079	6.88		0.390	33.97	2.83		0.890	77.52	6.46	
0.030	2.61		0.080	6.97		0.400	34.84	2.90		0.900	78.39	6.53	
0.031	2.70		0.081	7.06		0.410	35.71	2.98		0.910	79.26	6.61	
0.032	2.79		0.082	7.14		0.420	36.58	3.05		0.920	80.13	6.68	
0.033	2.87		0.083	7.23		0.430	37.45	3.12		0.930	81.00	6.75	
0.034	2.96		0.084	7.32		0.440	38.32	3.19		0.940	81.87	6.82	
0.035	3.05		0.085	7.40		0.450	39.20	3.27		0.950	82.75	6.90	
0.036	3.14		0.086	7.49		0.460	40.07	3.34		0.960	83.62	6.97	
0.037	3.22		0.087	7.58		0.470	40.94	3.41		0.970	84.49	7.04	
0.038	3.31		0.088	7.66		0.480	41.81	3.48		0.980	85.36	7.11	
0.039	3.40		0.089	7.75		0.490	42.68	3.56		0.990	86.23	7.19	
0.040	3.48		0.090	7.84		0.500	43.55	3.63		1.000	87.10	7.26	
0.041	3.57		0.091	7.93		0.510	44.42	3.70		2.000	174.20	14.52	
0.042	3.66		0.092	8.01		0.520	45.29	3.77		3.000	261.30	21.78	
0.043	3.75		0.093	8.10		0.530	46.16	3.85		4.000	348.40	29.03	
0.044	3.83		0.094	8.19		0.540	47.03	3.92		5.000	435.50	36.29	
0.045	3.92		0.095	8.27		0.550	47.91	3.99		6.000	522.60	43.55	
0.046	4.01		0.096	8.36		0.560	48.78	4.06		7.000	609.70	50.81	
0.047	4.09		0.097	8.45		0.570	49.65	4.14		8.000	696.80	58.07	
0.048	4.18		0.098	8.54		0.580	50.52	4.21		9.000	783.90	65.33	
0.049	4.27		0.099	8.62		0.590	51.39	4.28		10.000	871.00	72.58	
0.050	4.36		0.100	8.71		0.600	52.26	4.36