HO scale	87
Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)
0.5	0.069		31	4.276		71	9.793		111	15.310
1	0.138		32	4.414		72	9.931		112	15.448
1.5	0.207		33	4.552		73	10.069		113	15.586
2	0.276		34	4.690		74	10.207		114	15.724
2.5	0.345		35	4.828		75	10.345		115	15.862
3	0.414		36	4.966		76	10.483		116	16.000
3.5	0.483		37	5.103		77	10.621		117	16.138
4	0.552		38	5.241		78	10.759		118	16.276
4.5	0.621		39	5.379		79	10.897		119	16.414
5	0.690		40	5.517		80	11.034		120	16.552
5.5	0.759		41	5.655		81	11.172		121	16.690
6	0.828		42	5.793		82	11.310		122	16.828
6.5	0.897		43	5.931		83	11.448		123	16.966
7	0.966		44	6.069		84	11.586		124	17.103
7.5	1.034		45	6.207		85	11.724		125	17.241
8	1.103		46	6.345		86	11.862		126	17.379
8.5	1.172		47	6.483		87	12.000		127	17.517
9	1.241		48	6.621		88	12.138		128	17.655
9.5	1.310		49	6.759		89	12.276		129	17.793
10	1.379		50	6.897		90	12.414		130	17.931
11	1.517		51	7.034		91	12.552		131	18.069
12	1.655		52	7.172		92	12.690		132	18.207
13	1.793		53	7.310		93	12.828		133	18.345
14	1.931		54	7.448		94	12.966		134	18.483
15	2.069		55	7.586		95	13.103		135	18.621
16	2.207		56	7.724		96	13.241		136	18.759
17	2.345		57	7.862		97	13.379		137	18.897
18	2.483		58	8.000		98	13.517		138	19.034
19	2.621		59	8.138		99	13.655		139	19.172
20	2.759		60	8.276		100	13.793		140	19.310
21	2.897		61	8.414		101	13.931		141	19.448
22	3.034		62	8.552		102	14.069		142	19.586
23	3.172		63	8.690		103	14.207		143	19.724
24	3.310		64	8.828		104	14.345		144	19.862
25	3.448		65	8.966		105	14.483		145	20.000
26	3.586		66	9.103		106	14.621		146	20.138
27	3.724		67	9.241		107	14.759		147	20.276
28	3.862		68	9.379		108	14.897		148	20.414
29	4.000		69	9.517		109	15.034		149	20.552
30	4.138		70	9.655		110	15.172		150	20.690
Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)
151	20.828		191	26.345		231	31.862		271	37.379
152	20.966		192	26.483		232	32.000		272	37.517
153	21.103		193	26.621		233	32.138		273	37.655
154	21.241		194	26.759		234	32.276		274	37.793
155	21.379		195	26.897		235	32.414		275	37.931
156	21.517		196	27.034		236	32.552		276	38.069
157	21.655		197	27.172		237	32.690		277	38.207
158	21.793		198	27.310		238	32.828		278	38.345
159	21.931		199	27.448		239	32.966		279	38.483
160	22.069		200	27.586		240	33.103		280	38.621
161	22.207		201	27.724		241	33.241		281	38.759
162	22.345		202	27.862		242	33.379		282	38.897
163	22.483		203	28.000		243	33.517		283	39.034
164	22.621		204	28.138		244	33.655		284	39.172
165	22.759		205	28.276		245	33.793		285	39.310
166	22.897		206	28.414		246	33.931		286	39.448
167	23.034		207	28.552		247	34.069		287	39.586
168	23.172		208	28.690		248	34.207		288	39.724
169	23.310		209	28.828		249	34.345		289	39.862
170	23.448		210	28.966		250	34.483		290	40.000
171	23.586		211	29.103		251	34.621		291	40.138
172	23.724		212	29.241		252	34.759		292	40.276
173	23.862		213	29.379		253	34.897		293	40.414
174	24.000		214	29.517		254	35.034		294	40.552
175	24.138		215	29.655		255	35.172		295	40.690
176	24.276		216	29.793		256	35.310		296	40.828
177	24.414		217	29.931		257	35.448		297	40.966
178	24.552		218	30.069		258	35.586		298	41.103
179	24.690		219	30.207		259	35.724		299	41.241
180	24.828		220	30.345		260	35.862		300	41.379
181	24.966		221	30.483		261	36.000		301	41.517
182	25.103		222	30.621		262	36.138		302	41.655
183	25.241		223	30.759		263	36.276		303	41.793
184	25.379		224	30.897		264	36.414		304	41.931
185	25.517		225	31.034		265	36.552		305	42.069
186	25.655		226	31.172		266	36.690		306	42.207
187	25.793		227	31.310		267	36.828		307	42.345
188	25.931		228	31.448		268	36.966		308	42.483
189	26.069		229	31.586		269	37.103		309	42.621
190	26.207		230	31.724		270	37.241		310	42.759
Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)
311	42.897		351	48.414		391	53.931		431	59.448
312	43.034		352	48.552		392	54.069		432	59.586
313	43.172		353	48.690		393	54.207		433	59.724
314	43.310		354	48.828		394	54.345		434	59.862
315	43.448		355	48.966		395	54.483		435	60.000
316	43.586		356	49.103		396	54.621		436	60.138
317	43.724		357	49.241		397	54.759		437	60.276
318	43.862		358	49.379		398	54.897		438	60.414
319	44.000		359	49.517		399	55.034		439	60.552
320	44.138		360	49.655		400	55.172		440	60.690
321	44.276		361	49.793		401	55.310		441	60.828
322	44.414		362	49.931		402	55.448		442	60.966
323	44.552		363	50.069		403	55.586		443	61.103
324	44.690		364	50.207		404	55.724		444	61.241
325	44.828		365	50.345		405	55.862		445	61.379
326	44.966		366	50.483		406	56.000		446	61.517
327	45.103		367	50.621		407	56.138		447	61.655
328	45.241		368	50.759		408	56.276		448	61.793
329	45.379		369	50.897		409	56.414		449	61.931
330	45.517		370	51.034		410	56.552		450	62.069
331	45.655		371	51.172		411	56.690		451	62.207
332	45.793		372	51.310		412	56.828		452	62.345
333	45.931		373	51.448		413	56.966		453	62.483
334	46.069		374	51.586		414	57.103		454	62.621
335	46.207		375	51.724		415	57.241		455	62.759
336	46.345		376	51.862		416	57.379		456	62.897
337	46.483		377	52.000		417	57.517		457	63.034
338	46.621		378	52.138		418	57.655		458	63.172
339	46.759		379	52.276		419	57.793		459	63.310
340	46.897		380	52.414		420	57.931		460	63.448
341	47.034		381	52.552		421	58.069		461	63.586
342	47.172		382	52.690		422	58.207		462	63.724
343	47.310		383	52.828		423	58.345		463	63.862
344	47.448		384	52.966		424	58.483		464	64.000
345	47.586		385	53.103		425	58.621		465	64.138
346	47.724		386	53.241		426	58.759		466	64.276
347	47.862		387	53.379		427	58.897		467	64.414
348	48.000		388	53.517		428	59.034		468	64.552
349	48.138		389	53.655		429	59.172		469	64.690
350	48.276		390	53.793		430	59.310		470	64.828
Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)
471	64.966		511	70.483		551	76.000		591	81.517
472	65.103		512	70.621		552	76.138		592	81.655
473	65.241		513	70.759		553	76.276		593	81.793
474	65.379		514	70.897		554	76.414		594	81.931
475	65.517		515	71.034		555	76.552		595	82.069
476	65.655		516	71.172		556	76.690		596	82.207
477	65.793		517	71.310		557	76.828		597	82.345
478	65.931		518	71.448		558	76.966		598	82.483
479	66.069		519	71.586		559	77.103		599	82.621
480	66.207		520	71.724		560	77.241		600	82.759
481	66.345		521	71.862		561	77.379		601	82.897
482	66.483		522	72.000		562	77.517		602	83.034
483	66.621		523	72.138		563	77.655		603	83.172
484	66.759		524	72.276		564	77.793		604	83.310
485	66.897		525	72.414		565	77.931		605	83.448
486	67.034		526	72.552		566	78.069		606	83.586
487	67.172		527	72.690		567	78.207		607	83.724
488	67.310		528	72.828		568	78.345		608	83.862
489	67.448		529	72.966		569	78.483		609	84.000
490	67.586		530	73.103		570	78.621		610	84.138
491	67.724		531	73.241		571	78.759		611	84.276
492	67.862		532	73.379		572	78.897		612	84.414
493	68.000		533	73.517		573	79.034		613	84.552
494	68.138		534	73.655		574	79.172		614	84.690
495	68.276		535	73.793		575	79.310		615	84.828
496	68.414		536	73.931		576	79.448		616	84.966
497	68.552		537	74.069		577	79.586		617	85.103
498	68.690		538	74.207		578	79.724		618	85.241
499	68.828		539	74.345		579	79.862		619	85.379
500	68.966		540	74.483		580	80.000		620	85.517
501	69.103		541	74.621		581	80.138		621	85.655
502	69.241		542	74.759		582	80.276		622	85.793
503	69.379		543	74.897		583	80.414		623	85.931
504	69.517		544	75.034		584	80.552		624	86.069
505	69.655		545	75.172		585	80.690		625	86.207
506	69.793		546	75.310		586	80.828		626	86.345
507	69.931		547	75.448		587	80.966		627	86.483
508	70.069		548	75.586		588	81.103		628	86.621
509	70.207		549	75.724		589	81.241		629	86.759
510	70.345		550	75.862		590	81.379		630	86.897
Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)
631	87.034		671	92.552		711	98.069		751	103.586
632	87.172		672	92.690		712	98.207		752	103.724
633	87.310		673	92.828		713	98.345		753	103.862
634	87.448		674	92.966		714	98.483		754	104.000
635	87.586		675	93.103		715	98.621		755	104.138
636	87.724		676	93.241		716	98.759		756	104.276
637	87.862		677	93.379		717	98.897		757	104.414
638	88.000		678	93.517		718	99.034		758	104.552
639	88.138		679	93.655		719	99.172		759	104.690
640	88.276		680	93.793		720	99.310		760	104.828
641	88.414		681	93.931		721	99.448		761	104.966
642	88.552		682	94.069		722	99.586		762	105.103
643	88.690		683	94.207		723	99.724		763	105.241
644	88.828		684	94.345		724	99.862		764	105.379
645	88.966		685	94.483		725	100.000		765	105.517
646	89.103		686	94.621		726	100.138		766	105.655
647	89.241		687	94.759		727	100.276		767	105.793
648	89.379		688	94.897		728	100.414		768	105.931
649	89.517		689	95.034		729	100.552		769	106.069
650	89.655		690	95.172		730	100.690		770	106.207
651	89.793		691	95.310		731	100.828		771	106.345
652	89.931		692	95.448		732	100.966		772	106.483
653	90.069		693	95.586		733	101.103		773	106.621
654	90.207		694	95.724		734	101.241		774	106.759
655	90.345		695	95.862		735	101.379		775	106.897
656	90.483		696	96.000		736	101.517		776	107.034
657	90.621		697	96.138		737	101.655		777	107.172
658	90.759		698	96.276		738	101.793		778	107.310
659	90.897		699	96.414		739	101.931		779	107.448
660	91.034		700	96.552		740	102.069		780	107.586
661	91.172		701	96.690		741	102.207		781	107.724
662	91.310		702	96.828		742	102.345		782	107.862
663	91.448		703	96.966		743	102.483		783	108.000
664	91.586		704	97.103		744	102.621		784	108.138
665	91.724		705	97.241		745	102.759		785	108.276
666	91.862		706	97.379		746	102.897		786	108.414
667	92.000		707	97.517		747	103.034		787	108.552
668	92.138		708	97.655		748	103.172		788	108.690
669	92.276		709	97.793		749	103.310		789	108.828
670	92.414		710	97.931		750	103.448		790	108.966
Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)		Prototype (feet)	HO-Scale (inches)
791	109.103		831	114.621		871	120.138		911	125.655
792	109.241		832	114.759		872	120.276		912	125.793
793	109.379		833	114.897		873	120.414		913	125.931
794	109.517		834	115.034		874	120.552		914	126.069
795	109.655		835	115.172		875	120.690		915	126.207
796	109.793		836	115.310		876	120.828		916	126.345
797	109.931		837	115.448		877	120.966		917	126.483
798	110.069		838	115.586		878	121.103		918	126.621
799	110.207		839	115.724		879	121.241		919	126.759
800	110.345		840	115.862		880	121.379		920	126.897
801	110.483		841	116.000		881	121.517		921	127.034
802	110.621		842	116.138		882	121.655		922	127.172
803	110.759		843	116.276		883	121.793		923	127.310
804	110.897		844	116.414		884	121.931		924	127.448
805	111.034		845	116.552		885	122.069		925	127.586
806	111.172		846	116.690		886	122.207		926	127.724
807	111.310		847	116.828		887	122.345		927	127.862
808	111.448		848	116.966		888	122.483		928	128.000
809	111.586		849	117.103		889	122.621		929	128.138
810	111.724		850	117.241		890	122.759		930	128.276
811	111.862		851	117.379		891	122.897		931	128.414
812	112.000		852	117.517		892	123.034		932	128.552
813	112.138		853	117.655		893	123.172		933	128.690
814	112.276		854	117.793		894	123.310		934	128.828
815	112.414		855	117.931		895	123.448		935	128.966
816	112.552		856	118.069		896	123.586		936	129.103
817	112.690		857	118.207		897	123.724		937	129.241
818	112.828		858	118.345		898	123.862		938	129.379
819	112.966		859	118.483		899	124.000		939	129.517
820	113.103		860	118.621		900	124.138		940	129.655
821	113.241		861	118.759		901	124.276		941	129.793
822	113.379		862	118.897		902	124.414		942	129.931
823	113.517		863	119.034		903	124.552		943	130.069
824	113.655		864	119.172		904	124.690		944	130.207
825	113.793		865	119.310		905	124.828		945	130.345
826	113.931		866	119.448		906	124.966		946	130.483
827	114.069		867	119.586		907	125.103		947	130.621
828	114.207		868	119.724		908	125.241		948	130.759
829	114.345		869	119.862		909	125.379		949	130.897
830	114.483		870	120.000		910	125.517		950	131.034