Convert Inches to Millimeters

How many millimeters are in an inch? Easy in to mm conversion.

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1 Inch =

25.4 Millimeters

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An inch is a unit of length equal to exactly 2.54 centimeters. There are 12 inches in a foot, and 36 inches in a yard.

A millimeter, or millimetre, is a unit of length equal to one thousandth of a meter.

Inches to Millimeters Conversion Table

(some results rounded)

in	mm
0.0001	0.00254
0.0002	0.00508
0.0003	0.00762
0.0004	0.01016
0.0005	0.0127
0.0006	0.01524
0.0007	0.01778
0.0008	0.02032
0.0009	0.02286
0.001	0.0254
0.002	0.0508
0.003	0.0762
0.004	0.1016
0.005	0.127
0.006	0.1524
0.007	0.1778
0.008	0.2032
0.009	0.2286
0.01	0.254
0.02	0.508
0.03	0.762
0.04	1.016
0.05	1.27
0.06	1.524
0.07	1.778
0.08	2.032
0.09	2.286
0.1	2.54
0.2	5.08
0.3	7.62
0.4	10.16
0.5	12.7
0.6	15.24
0.7	17.78
0.8	20.32
0.9	22.86
1	25.4
2	50.8
3	76.2
4	101.6
5	127
6	152.4
7	177.8
8	203.2
9	228.6
10	254
11	279.4
12	304.8
13	330.2
14	355.6
15	381
16	406.4
17	431.8
18	457.2
19	482.6
20	508
21	533.4
22	558.8
23	584.2
24	609.6
25	635
26	660.4
27	685.8
28	711.2
29	736.6
30	762
31	787.4
32	812.8
33	838.2
34	863.6
35	889
36	914.4
37	939.8
38	965.2
39	990.6
40	1,016
41	1,041.4
42	1,066.8
43	1,092.2
44	1,117.6
45	1,143
46	1,168.4
47	1,193.8
48	1,219.2
49	1,244.6
50	1,270
51	1,295.4
52	1,320.8
53	1,346.2
54	1,371.6
55	1,397
56	1,422.4
57	1,447.8
58	1,473.2
59	1,498.6
60	1,524
61	1,549.4
62	1,574.8
63	1,600.2
64	1,625.6
65	1,651
66	1,676.4
67	1,701.8
68	1,727.2
69	1,752.6
70	1,778
71	1,803.4
72	1,828.8
73	1,854.2
74	1,879.6
75	1,905
76	1,930.4
77	1,955.8
78	1,981.2
79	2,006.6
80	2,032
81	2,057.4
82	2,082.8
83	2,108.2
84	2,133.6
85	2,159
86	2,184.4
87	2,209.8
88	2,235.2
89	2,260.6
90	2,286
91	2,311.4
92	2,336.8
93	2,362.2
94	2,387.6
95	2,413
96	2,438.4
97	2,463.8
98	2,489.2
99	2,514.6
100	2,540
101	2,565.4
102	2,590.8
103	2,616.2
104	2,641.6
105	2,667
106	2,692.4

in	mm
107	2,717.8
108	2,743.2
109	2,768.6
110	2,794
111	2,819.4
112	2,844.8
113	2,870.2
114	2,895.6
115	2,921
116	2,946.4
117	2,971.8
118	2,997.2
119	3,022.6
120	3,048
121	3,073.4
122	3,098.8
123	3,124.2
124	3,149.6
125	3,175
126	3,200.4
127	3,225.8
128	3,251.2
129	3,276.6
130	3,302
131	3,327.4
132	3,352.8
133	3,378.2
134	3,403.6
135	3,429
136	3,454.4
137	3,479.8
138	3,505.2
139	3,530.6
140	3,556
141	3,581.4
142	3,606.8
143	3,632.2
144	3,657.6
145	3,683
146	3,708.4
147	3,733.8
148	3,759.2
149	3,784.6
150	3,810
151	3,835.4
152	3,860.8
153	3,886.2
154	3,911.6
155	3,937
156	3,962.4
157	3,987.8
158	4,013.2
159	4,038.6
160	4,064
161	4,089.4
162	4,114.8
163	4,140.2
164	4,165.6
165	4,191
166	4,216.4
167	4,241.8
168	4,267.2
169	4,292.6
170	4,318
171	4,343.4
172	4,368.8
173	4,394.2
174	4,419.6
175	4,445
176	4,470.4
177	4,495.8
178	4,521.2
179	4,546.6
180	4,572
181	4,597.4
182	4,622.8
183	4,648.2
184	4,673.6
185	4,699
186	4,724.4
187	4,749.8
188	4,775.2
189	4,800.6
190	4,826
191	4,851.4
192	4,876.8
193	4,902.2
194	4,927.6
195	4,953
196	4,978.4
197	5,003.8
198	5,029.2
199	5,054.6
200	5,080
201	5,105.4
202	5,130.8
203	5,156.2
204	5,181.6
205	5,207
206	5,232.4
207	5,257.8
208	5,283.2
209	5,308.6
210	5,334
211	5,359.4
212	5,384.8
213	5,410.2
214	5,435.6
215	5,461
216	5,486.4
217	5,511.8
218	5,537.2
219	5,562.6
220	5,588
221	5,613.4
222	5,638.8
223	5,664.2
224	5,689.6
225	5,715
226	5,740.4
227	5,765.8
228	5,791.2
229	5,816.6
230	5,842
231	5,867.4
232	5,892.8
233	5,918.2
234	5,943.6
235	5,969
236	5,994.4
237	6,019.8
238	6,045.2
239	6,070.6
240	6,096
241	6,121.4
242	6,146.8
243	6,172.2
244	6,197.6
245	6,223
246	6,248.4
247	6,273.8
248	6,299.2

in	mm
249	6,324.6
250	6,350
251	6,375.4
252	6,400.8
253	6,426.2
254	6,451.6
255	6,477
256	6,502.4
257	6,527.8
258	6,553.2
259	6,578.6
260	6,604
261	6,629.4
262	6,654.8
263	6,680.2
264	6,705.6
265	6,731
266	6,756.4
267	6,781.8
268	6,807.2
269	6,832.6
270	6,858
271	6,883.4
272	6,908.8
273	6,934.2
274	6,959.6
275	6,985
276	7,010.4
277	7,035.8
278	7,061.2
279	7,086.6
280	7,112
281	7,137.4
282	7,162.8
283	7,188.2
284	7,213.6
285	7,239
286	7,264.4
287	7,289.8
288	7,315.2
289	7,340.6
290	7,366
291	7,391.4
292	7,416.8
293	7,442.2
294	7,467.6
295	7,493
296	7,518.4
297	7,543.8
298	7,569.2
299	7,594.6
300	7,620
305	7,747
310	7,874
315	8,001
320	8,128
325	8,255
330	8,382
335	8,509
340	8,636
345	8,763
350	8,890
355	9,017
360	9,144
365	9,271
370	9,398
375	9,525
380	9,652
385	9,779
390	9,906
395	10,033
400	10,160
405	10,287
410	10,414
415	10,541
420	10,668
425	10,795
430	10,922
435	11,049
440	11,176
445	11,303
450	11,430
455	11,557
460	11,684
465	11,811
470	11,938
475	12,065
480	12,192
485	12,319
490	12,446
495	12,573
500	12,700
505	12,827
510	12,954
515	13,081
520	13,208
525	13,335
530	13,462
535	13,589
540	13,716
545	13,843
550	13,970
555	14,097
560	14,224
565	14,351
570	14,478
575	14,605
580	14,732
585	14,859
590	14,986
595	15,113
600	15,240
605	15,367
610	15,494
615	15,621
620	15,748
625	15,875
630	16,002
635	16,129
640	16,256
645	16,383
650	16,510
655	16,637
660	16,764
665	16,891
670	17,018
675	17,145
680	17,272
685	17,399
690	17,526
695	17,653
700	17,780
705	17,907
710	18,034
715	18,161
720	18,288
725	18,415
730	18,542
735	18,669
740	18,796
745	18,923
750	19,050

in	mm
755	19,177
760	19,304
765	19,431
770	19,558
775	19,685
780	19,812
785	19,939
790	20,066
795	20,193
800	20,320
805	20,447
810	20,574
815	20,701
820	20,828
825	20,955
830	21,082
835	21,209
840	21,336
845	21,463
850	21,590
855	21,717
860	21,844
865	21,971
870	22,098
875	22,225
880	22,352
885	22,479
890	22,606
895	22,733
900	22,860
905	22,987
910	23,114
915	23,241
920	23,368
925	23,495
930	23,622
935	23,749
940	23,876
945	24,003
950	24,130
955	24,257
960	24,384
965	24,511
970	24,638
975	24,765
980	24,892
985	25,019
990	25,146
995	25,273
1,000	25,400
1,100	27,940
1,200	30,480
1,300	33,020
1,400	35,560
1,500	38,100
1,600	40,640
1,700	43,180
1,800	45,720
1,900	48,260
2,000	50,800
2,100	53,340
2,200	55,880
2,300	58,420
2,400	60,960
2,500	63,500
2,600	66,040
2,700	68,580
2,800	71,120
2,900	73,660
3,000	76,200
3,100	78,740
3,200	81,280
3,300	83,820
3,400	86,360
3,500	88,900
3,600	91,440
3,700	93,980
3,800	96,520
3,900	99,060
4,000	101,600
4,100	104,140
4,200	106,680
4,300	109,220
4,400	111,760
4,500	114,300
4,600	116,840
4,700	119,380
4,800	121,920
4,900	124,460
5,000	127,000
5,100	129,540
5,200	132,080
5,300	134,620
5,400	137,160
5,500	139,700
5,600	142,240
5,700	144,780
5,800	147,320
5,900	149,860
6,000	152,400
6,100	154,940
6,200	157,480
6,300	160,020
6,400	162,560
6,500	165,100
6,600	167,640
6,700	170,180
6,800	172,720
6,900	175,260
7,000	177,800
7,100	180,340
7,200	182,880
7,300	185,420
7,400	187,960
7,500	190,500
7,600	193,040
7,700	195,580
7,800	198,120
7,900	200,660
8,000	203,200
8,100	205,740
8,200	208,280
8,300	210,820
8,400	213,360
8,500	215,900
8,600	218,440
8,700	220,980
8,800	223,520
8,900	226,060
9,000	228,600
9,100	231,140
9,200	233,680
9,300	236,220
9,400	238,760
9,500	241,300
9,600	243,840
9,700	246,380
9,800	248,920
9,900	251,460
10,000	254,000

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