Between the 1930 and 1945 seasons, Babe Ruth had the highest slugging percentage, with a slugging percentage of .644.

Interpreted as:

highest slugging with a minimum of 1.55 PA per team game by a player average 1930 to 1945

	NAME	SLG	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	SH	GIDP	AVG	OBP	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Babe Ruth B. Ruth	.644	713	2,405	607	797	110	24	198	652	632	8	351	22	3,066	1,549	332	21		.331	.472	1.116	764	375.1	.490	186	363.4
2	Ted Williams T. Williams	.642	586	2,104	541	749	154	33	127	515	495	12	196	11	2,615	1,350	314	4	45	.356	.481	1.123	643	337.5	.503	185	289.6
3	Lou Gehrig L. Gehrig	.638	1,397	5,255	1,257	1,802	328	91	347	1,360	1,028	30	439	72	6,339	3,353	766	26	2	.343	.453	1.091	1522	719.6	.481	174	666.9
4	Hank Greenberg H. Greenberg	.617	1,127	4,268	885	1,383	337	64	262	1,073	668	12	683	53	4,982	2,634	663	34	33	.324	.417	1.034	1085	474.6	.458	155	380.7
5	Jimmie Foxx J. Foxx	.614	1,953	7,046	1,510	2,274	397	100	485	1,700	1,274	9	1,180	72	8,369	4,326	982	40	69	.323	.427	1.041	1856	820.5	.461	158	676.8
6	Joe DiMaggio J. DiMaggio	.607	979	3,978	858	1,349	243	82	219	930	404	24	196	25	4,417	2,413	544	11	42	.339	.403	1.010	926	390.2	.450	155	334.5
7	Johnny Mize J. Mize	.588	996	3,662	643	1,213	243	73	184	763	484	25	318	17	4,189	2,154	500	18	35	.331	.413	1.001	873	365.6	.449	169	350.2
8	Harry Heilmann H. Heilmann	.561	157	490	82	161	45	6	19	97	64	1	52	2	570	275	70	15		.329	.407	.968	115	35.5	.424	133	30.2
9	Bill Salkeld B. Salkeld	.547	95	267	45	83	16	1	15	52	50	0	16	2	317	146	32	0	8	.311	.420	.966	62	27.9	.451	160	22.9
10	Stan Musial S. Musial	.539	455	1,699	315	584	135	44	36	254	226	9	72	23	1,953	915	215	19	27	.344	.423	.962	378	171.9	.447	171	156.8
11	Buzz Arlett B. Arlett	.538	121	418	65	131	26	7	18	72	45	5	39	3	469	225	51	1		.313	.387	.925	87	29.1	.417	133	19.7
12	Mel Ott M. Ott	.534	2,304	8,181	1,620	2,483	415	63	449	1,605	1,521	56	789	77	9,841	4,371	927	83	37	.304	.416	.950	1927	737.7	.432	159	718.1
13	Earl Averill E. Averill	.533	1,517	5,756	1,114	1,821	358	115	220	1,068	711	30	465	57	6,535	3,069	693	38	7	.316	.394	.928	1221	396.8	.416	130	281.1
14	Hal Trosky Sr. H. Trosky Sr.	.533	1,259	4,862	813	1,485	319	55	226	981	511	16	403	24	5,413	2,592	600	24	32	.305	.373	.906	959	293.3	.407	128	215.3
15	Babe Herman B. Herman	.532	1,005	3,640	584	1,166	259	71	123	639	344	7	378	60	4,027	1,936	453	36	1	.320	.380	.912	731	219.5	.407	140	214.5
16	Charlie Keller C. Keller	.529	726	2,624	520	774	109	55	132	526	540	3	321	41	3,184	1,389	296	17	32	.295	.416	.945	608	248.9	.435	156	220.5
17	Chuck Klein C. Klein	.529	1,540	5,617	1,001	1,766	339	64	246	1,022	533	11	438	74	6,214	2,971	649	53	15	.314	.375	.904	1103	320.7	.404	131	252
18	Hack Wilson H. Wilson	.529	593	2,013	354	597	112	17	107	459	314	2	325	13	2,354	1,064	236	25		.297	.392	.921	440	138	.410	138	126.7
19	Lefty O'Doul L. O'Doul	.527	626	2,200	399	759	119	31	73	364	223	19	87	24	2,460	1,159	223	18		.345	.410	.937	478	164.9	.422	145	147.8
20	Wally Berger W. Berger	.522	1,350	5,163	809	1,550	299	59	242	898	435	38	693	36	5,663	2,693	600	27	7	.300	.359	.881	952	236.5	.393	136	260.3
21	Al Simmons A. Simmons	.514	1,395	5,477	948	1,758	302	89	192	1,115	409	21	489	39	5,937	2,814	583	30	23	.321	.370	.884	1018	271.9	.397	123	195.8
22	Bill Terry B. Terry	.510	961	3,789	688	1,332	216	70	82	602	296	6	236	30	4,162	1,934	368	71		.352	.399	.910	766	237.3	.411	142	234.2
23	Chick Hafey C. Hafey	.507	713	2,568	437	810	173	41	79	417	226	21	268	37	2,845	1,302	293	30		.315	.375	.882	489	131.1	.396	133	123.7
24	Joe Medwick J. Medwick	.507	1,848	7,389	1,172	2,397	524	113	199	1,335	414	25	532	42	7,871	3,744	836	43	107	.324	.362	.869	1297	360.1	.394	133	324.2
25	Jeff Heath J. Heath	.506	957	3,489	546	1,040	194	83	122	619	366	7	438	52	3,875	1,766	399	13	36	.298	.366	.872	637	193.7	.399	134	161.9