Inches vs. mm - conversion table (2023)

How many millimeters in an inch?

• 1 inch (inch) = 25.4 millimeters (mm)
• 1 millimeter (mm) = 0.0393700787 inch (inch)

mm

(Video) Inch versus mm - in English

In

See Also

Metric & Standard Bolt & Screw Size Chart: M2, M4, M5, M6, M8, M10Understanding Line Types and Weights - archisoup | Architecture guides and resources316L stainless steel round barThe Epic World Cup Is Specialized's Latest Hardtail Killer

(Video) Measuring to the nearest cm and mm

• Converter for units of length

Fractional inches to decimal inches and metric millimeters

The table below can be used to convert between fractional and/or decimal inches and metric millimeters.

(Video) Metric Units of Length | Convert mm, cm, m and km

• Inch to mm conversion table in pdf format

Customs		Metric
fraction	Decimal	mm
.	0,0039	0,1000
.	0,0079	0,2000
.	0,0118	0,3000
1/64	0,0156	0,3969
.	0,0157	0,4000
.	0,0197	0,5000
.	0,0236	0,6000
.	0,0276	0,7000
1/32	0,0313	0,7938
.	0,0315	0,8000
.	0,0354	0,9000
.	0,0394	1.0000
.	0,0433	1.1000
3/64	0,0469	1.1906
.	0,0472	1.2000
.	0,0512	1.3000
.	0,0551	1.4000
.	0,0591	1,5000
1/16	0,0625	1,5875
.	0,0630	1.6000
.	0,0669	1,7000
.	0,0709	1,8000
.	0,0748	1,9000
5/64	0,0781	1,9844
.	0,0787	2.0000
.	0,0827	2.1000
.	0,0866	2.2000
.	0,0906	2.3000
32.3	0,0938	2.3813
.	0,0945	2.4000
.	0,0984	2.5000
7/64	0,1094	2,7781
.	0,1181	3.0000
1/8	0,1250	3.1750
.	0,1378	3.5000
9/64	0,1406	3,5719
5/32	0,1563	3,9688
.	0,1575	4.0000
11/64	0,1719	4,3656
.	0,1772	4.5000
3/16	0,1875	4,7625
.	0,1969	5.0000
13/64	0,2031	5.1594
.	0,2165	5.5000
32.7	0,2188	5.5563
15/64	0,2344	5,9531
.	0,2362	6.0000
1/4	0,2500	6,3500
.	0,2559	6.5000
17/64	0,2656	6,7469
.	0,2756	7.0000
9/32	0,2813	7.1438
.	0,2953	7.5000
19/64	0,2969	7.5406
5/16	0,3125	7,9375
.	0,3150	8.0000
21/64	0,3281	8.3344
.	0,3346	8.5000
32.11	0,3438	8.7313
.	0,3543	9.0000
23/64	0,3594	9.1281
.	0,3740	9.5000
3/8	0,3750	9,5250
25/64	0,3906	9.9219
.	0,3937	10.0000
32.13	0,4063	10.3188
.	0,4134	10.5000
27/64	0,4219	10.7156
.	0,4331	11.0000
16.7	0,4375	11.1125
.	0,4528	11.5000
29/64	0,4531	11.5094
15/32	0,4688	11.9063
.	0,4724	12.0000
31/64	0,4844	12.3031
.	0,4921	12.5000
1/2	0,5000	12.7000
.	0,5118	13.0000
33/64	0,5156	13.0969
17/32	0,5313	13.4938
.	0,5315	13.5000
35/64	0,5469	13.8906
.	0,5512	14.0000
16.9	0,5625	14.2875
.	0,5709	14.5000
37/64	0,5781	14.6844
.	0,5906	15.0000
19/32	0,5938	15.0813
39/64	0,6094	15.4781
.	0,6102	15.5000
5/8	0,6250	15,8750
.	0,6299	16.0000
41/64	0,6406	16.2719
.	0,6496	16.5000
21/32	0,6563	16.6688
.	0,6693	17.0000
43/64	0,6719	17.0656
16.11	0,6875	17.4625
.	0,6890	17.5000
45/64	0,7031	17.8594
.	0,7087	18.0000
23/32	0,7188	18.2563
.	0,7283	18.5000
47/64	0,7344	18.6531
.	0,7480	19.0000
3/4	0,7500	19.0500
49/64	0,7656	19.4469
.	0,7677	19.5000
25/32	0,7813	19.8438
.	0,7874	20.0000
51/64	0,7969	20.2406
.	0,8071	20.5000
13/16	0,8125	20.6375
.	0,8268	21.0000
53/64	0,8281	21.0344
27/32	0,8438	21.4313
.	0,8465	21.5000
55/64	0,8594	21.8281
.	0,8661	22.0000
7/8	0,8750	22.2250
.	0,8858	22.5000
57/64	0,89063	22.6219
.	0,9055	23.0000
29/32	0,90625	23.0188
59/64	0,92188	23.4156
.	0,9252	23.5000
15/16	0,93750	23.8125
.	0,9449	24.0000
61/64	0,95313	24.2094
.	0,9646	24.5000
31/32	0,96875	24.6063
.	0,9843	25.0000
63/64	0,98438	25.0031
1	1.000	25.40
.	1.0039	25.5000
.	1.0236	26.0000
.	1.0433	26.5000
.	1,0630	27.0000
.	1,0827	27.5000
.	1.1024	28.0000
.	1.1220	28.5000
.	1.1417	29.0000
.	1.1614	29.5000
.	1.1811	30.0000
.	1.2205	31.0000
1 1/4	1,2500	31.7500
.	1,2598	32.0000
.	1.2992	33.0000
.	1.3386	34.0000
.	1,3780	35.0000
.	1.4173	36.0000
.	1.4567	37.0000
.	1.4961	38.0000
1 1/2	1,5000	38.1000
.	1,5354	39.0000
.	1,5748	40.0000
.	1.6142	41.0000
.	1,6535	42.0000
.	1,6929	43.0000
.	1,7323	44.0000
1 3/4	1,7500	44.4500
.	1,7717	45.0000
.	1,8110	46.0000
.	1.8504	47.0000
.	1,8898	48.0000
.	1,9291	49.0000
.	1,9685	50.0000
2	2.0000	50.8000
.	2.0079	51.0000
.	2.0472	52.0000
.	2,0866	53.0000
.	2.1260	54.0000
.	2.1654	55.0000
.	2.2047	56.0000
.	2.2441	57.0000
2 1/4	2.2500	57.1500
.	2,2835	58.0000
.	2.3228	59.0000
.	2,3622	60.0000
.	2.4016	61.0000
.	2.4409	62.0000
.	2.4803	63.0000
2 1/2	2.5000	63.5000
.	2,5197	64.0000
.	2,5591	65.0000
.	2,5984	66.0000
.	2,6378	67.0000
.	2,6772	68.0000
.	2,7165	69.0000
2 3/4	2,7500	69,8500
.	2,7559	70.0000
.	2,7953	71.0000
.	2,8346	72.0000
.	2,8740	73.0000
.	2,9134	74.0000
.	2,9528	75.0000
.	2,9921	76.0000
3	3.0000	76.2000
.	3.0315	77.0000
.	3.0709	78.0000
.	3.1102	79.0000
.	3.1496	80.0000
.	3.1890	81.0000
.	3.2283	82.0000
.	3.2677	83.0000
.	3.3071	84.0000
.	3.3465	85.0000
.	3,3858	86.0000
.	3.4252	87.0000
.	3.4646	88.0000
3 1/2	3.5000	88,9000
.	3.5039	89.0000
.	3,5433	90.0000
.	3,5827	91.0000
.	3,6220	92.0000
.	3,6614	93.0000
.	3.7008	94.0000
.	3.7402	95.0000
.	3,7795	96.0000
.	3,8189	97.0000
.	3,8583	98.0000
.	3,8976	99.0000
.	3,9370	100.0000
4	4.0000	101.6000
.	4.3307	110.0000
4 1/2	4.5000	114.3000
.	4.7244	120.0000
5	5.0000	127.0000
.	5.1181	130.0000
.	5.5118	140.0000
.	5.9055	150.0000
6	6.0000	152.4000
.	6.2992	160.0000
.	6,6929	170.0000
.	7.0866	180.0000
.	7.4803	190.0000
.	7,8740	200.0000
8	8.0000	203.2000
.	9,8425	250.0000
10	10.0000	254.0000
20	20.0000	508.0000
30	30.0000	762.0000
40	40.0000	1016.000
60	60.0000	1524.000
80	80.0000	2032.000
100	100.0000	2540.000

mm to inches chart

See Also

Ansi B16.5 Class 150 Flange Dimensions in mm, 150 Lb Flange Dimensions

(Video) Conversion Chart Soot Decimal and mm

• Download mm to inch chart

Inch to mm converter

(Video) Conversion table SWG to mm/inch

Download and print the inch mm chart

(Video) 15/16 inches =23.81mm inches to mm conversion SPANNER

Decimal inches in mm

Convert decimal inches to mm:

(Video) Metric vs Standard, Imperial or SAE - Wrenches, Sockets, Bolt Size Chart + Mechanic Math

mm
Customs	0.00	0,01	0,02	0,03	0,04	0,05	0,06	0,07	0,08	0,09
0.00	0.00	0,25	0,51	0,76	1.02	1.27	1.52	1,78	2.03	2.29
0,10	2.54	2,79	3.05	3.30	3.56	3.81	4.06	4.32	4.57	4.83
0,20	5.08	5.33	5.59	5.84	6.10	6.35	6.60	6.86	7.11	7.37
0,30	7.62	7.87	8.13	8.38	8.64	8.89	9.14	9.40	9.65	9.91
0,40	10.16	10.41	10.67	10.92	11.18	11.43	11.68	11.94	12.19	12.45
0,50	12.70	12.95	13.21	13.46	13.72	13.97	14.22	14.48	14.73	14,99
0,60	15.24	15.49	15.75	16.00	16.26	16.51	16.76	17.02	17.27	17.53
0,70	17.78	18.03	18.29	18.54	18.80	19.05	19.30	19.56	19.81	20.07
0,80	20.32	20.57	20.83	21.08	21.34	21.59	21.84	22.10	22.35	22.61
0,90

mm to decimal inches

Convert mm to decimal inches:

(Video) How to Convert Inch to MM & CM to inch | CM to Inch | Inch to MM | MM to Inch | Inch to CM

Iniches
mm	0	1	2	3	4	5	6	7	8	9
0	0.0000	0,0394	0,0787	0,118	0,157	0,197	0,236	0,276	0,315	0,354
10	0,394	0,433	0,472	0,512	0,551	0,591	0,630	0,669	0,709	0,748
20	0,787	0,827	0,866	0,906	0,945	0,984	1.02	1.06	1.10	1.14
30	1.18	1.22	1.26	1.30	1.34	1.38	1.42	1.46	1,50	1.54
40	1.57	1.61	1,65	1,69	1.73	1,77	1.81	1,85	1,89	1,93
50	1,97	2.01	2.05	2.09	2.13	2.17	2.20	2.24	2.28	2.32
60	2.36	2.40	2.44	2.48	2.52	2.56	2.60	2.64	2.68	2.72
70	2.76	2,80	2.83	2,87	2.91	2,95	2,99	3.03	3.07	3.11
80	3.15	3.19	3.23	3.27	3.31	3.35	3.39	3.43	3.46	3,50
90	3.54	3.58	3.62	3.66	3,70	3.74	3.78	3.82	3.86	3,90
100	3,94	3,98	4.02	4.06	4.09	4.13	4.17	4.21	4.25	4.29
110	4.33	4.37	4.41	4.45	4.49	4.53	4.57	4.61	4.65	4.69
120	4.72	4.76	4,80	4.84	4,88	4.92	4,96	5.00	5.04	5.08
130	5.12	5.16	5.20	5.24	5.28	5.31	5.35	5.39	5.43	5.47
140	5.51	5.55	5.59	5.63	5.67	5.71	5.75	5.79	5.83	5.87
150	5.91	5,94	5,98	6.02	6.06	6.10	6.14	6.18	6.22	6.26
160	6.30	6.34	6.38	6.42	6.46	6.50	6.54	6.57	6.61	6.65
170	6.69	6.73	6.77	6.81	6,85	6,89	6.93	6,97	7.01	7.05
180	7.09	7.13	7.17	7.20	7.24	7.28	7.32	7.36	7.40	7.44
190	7.48	7.52	7.56	7.60	7.64	7.68	7.72	7.76	7,80	7.83
200	7.87	7.91	7,95	7,99	8.03	8.07	8.11	8.15	8.19	8.23
210	8.27	8.31	8.35	8.39	8.43	8.46	8.50	8.54	8.58	8.62
220	8.66	8.70	8.74	8.78	8.82	8.86	8,90	8,94	8,98	9.02
230	9.06	9.09	9.13	9.17	9.21	9.25	9.29	9.33	9.37	9.41
240	9.45	9.49	9.53	9.57	9.61	9.65	9.69	9.72	9.76	9.80
250	9.84	9.88	9.92	9,96	10.0	10.0	10.1	10.1	10.2	10.2
260	10.2	10.3	10.3	10.4	10.4	10.4	10.5	10.5	10.6	10.6
270	10.6	10.7	10.7	10.7	10.8	10.8	10.9	10.9	10.9	11.0
280	11.0	11.1	11.1	11.1	11.2	11.2	11.3	11.3	11.3	11.4
290	11.4	11.5	11.5	11.5	11.6	11.6	11.7	11.7	11.7	11.8
300	11.8	11.9	11.9	11.9	12.0	12.0	12.0	12.1	12.1	12.2
310	12.2	12.2	12.3	12.3	12.4	12.4	12.4	12.5	12.5	12.6
320	12.6	12.6	12.7	12.7	12.8	12.8	12.8	12.9	12.9	13.0
330	13.0	13.0	13.1	13.1	13.1	13.2	13.2	13.3	13.3	13.3
340	13.4	13.4	13.5	13.5	13.5	13.6	13.6	13.7	13.7	13.7
350	13.8	13.8	13.9	13.9	13.9	14.0	14.0	14.1	14.1	14.1
360	14.2	14.2	14.3	14.3	14.3	14.4	14.4	14.4	14.5	14.5
370	14.6	14.6	14.6	14.7	14.7	14.8	14.8	14.8	14.9	14.9
380	15.0	15.0	15.0	15.1	15.1	15.2	15.2	15.2	15.3	15.3
390	15.4	15.4	15.4	15.5	15.5	15.6	15.6	15.6	15.7	15.7
400	15.7	15.8	15.8	15.9	15.9	15.9	16.0	16.0	16.1	16.1
410	16.1	16.2	16.2	16.3	16.3	16.3	16.4	16.4	16.5	16.5
420	16.5	16.6	16.6	16.7	16.7	16.7	16.8	16.8	16.9	16.9
430	16.9	17.0	17.0	17.0	17.1	17.1	17.2	17.2	17.2	17.3
440	17.3	17.4	17.4	17.4	17.5	17.5	17.6	17.6	17.6	17.7
450	17.7	17.8	17.8	17.8	17.9	17.9	18.0	18.0	18.0	18.1
460	18.1	18.1	18.2	18.2	18.3	18.3	18.3	18.4	18.4	18.5
470	18.5	18.5	18.6	18.6	18.7	18.7	18.7	18.8	18.8	18.9
480	18.9	18.9	19.0	19.0	19.1	19.1	19.1	19.2	19.2	19.3
490	19.3	19.3	19.4	19.4	19.4	19.5	19.5	19.6	19.6	19.6
500	19.7	19.7	19.8	19.8	19.8	19.9	19.9	20.0	20.0	20.0
510	20.1	20.1	20.2	20.2	20.2	20.3	20.3	20.4	20.4	20.4
520	20.5	20.5	20.6	20.6	20.6	20.7	20.7	20.7	20.8	20.8
530	20.9	20.9	20.9	21.0	21.0	21.1	21.1	21.1	21.2	21.2
540	21.3	21.3	21.3	21.4	21.4	21.5	21.5	21.5	21.6	21.6
550	21.7	21.7	21.7	21.8	21.8	21.9	21.9	21.9	22.0	22.0
560	22.0	22.1	22.1	22.2	22.2	22.2	22.3	22.3	22.4	22.4
570	22.4	22.5	22.5	22.6	22.6	22.6	22.7	22.7	22.8	22.8
580	22.8	22.9	22.9	23.0	23.0	23.0	23.1	23.1	23.1	23.2
590	23.2	23.3	23.3	23.3	23.4	23.4	23.5	23.5	23.5	23.6
600	23.6	23.7	23.7	23.7	23.8	23.8	23.9	23.9	23.9	24.0
610	24.0	24.1	24.1	24.1	24.2	24.2	24.3	24.3	24.3	24.4
620	24.4	24.4	24.5	24.5	24.6	24.6	24.6	24.7	24.7	24.8
630	24.8	24.8	24.9	24.9	25.0	25.0	25.0	25.1	25.1	25.2
640	25.2	25.2	25.3	25.3	25.4	25.4	25.4	25.5	25.5	25.6
650	25.6	25.6	25.7	25.7	25.7	25.8	25.8	25.9	25.9	25.9
660	26.0	26.0	26.1	26.1	26.1	26.2	26.2	26.3	26.3	26.3
670	26.4	26.4	26.5	26.5	26.5	26.6	26.6	26.7	26.7	26.7
680	26.8	26.8	26.9	26.9	26.9	27.0	27.0	27.0	27.1	27.1
690	27.2	27.2	27.2	27.3	27.3	27.4	27.4	27.4	27.5	27.5
700	27.6	27.6	27.6	27.7	27.7	27.8	27.8	27.8	27.9	27.9
710	28.0	28.0	28.0	28.1	28.1	28.1	28.2	28.2	28.3	28.3
720	28.3	28.4	28.4	28.5	28.5	28.5	28.6	28.6	28.7	28.7
730	28.7	28.8	28.8	28.9	28.9	28.9	29.0	29.0	29.1	29.1
740	29.1	29.2	29.2	29.3	29.3	29.3	29.4	29.4	29.4	29.5
750	29.5	29.6	29.6	29.6	29.7	29.7	29.8	29.8	29.8	29.9
760	29.9	30.0	30.0	30.0	30.1	30.1	30.2	30.2	30.2	30.3
770	30.3	30.4	30.4	30.4	30.5	30.5	30.6	30.6	30.6	30.7
780	30.7	30.7	30.8	30.8	30.9	30.9	30.9	31.0	31.0	31.1
790	31.1	31.1	31.2	31.2	31.3	31.3	31.3	31.4	31.4	31.5
800	31.5	31.5	31.6	31.6	31.7	31.7	31.7	31.8	31.8	31.9
810	31.9	31.9	32.0	32.0	32.0	32.1	32.1	32.2	32.2	32.2
820	32.3	32.3	32.4	32.4	32.4	32.5	32.5	32.6	32.6	32.6
830	32.7	32.7	32.8	32.8	32.8	32.9	32.9	33.0	33.0	33.0
840	33.1	33.1	33.1	33.2	33.2	33.3	33.3	33.3	33.4	33.4
850	33.5	33.5	33.5	33.6	33.6	33.7	33.7	33.7	33.8	33.8
860	33.9	33.9	33.9	34.0	34.0	34.1	34.1	34.1	34.2	34.2
870	34.3	34.3	34.3	34.4	34.4	34.4	34.5	34.5	34.6	34.6
880	34.6	34.7	34.7	34.8	34.8	34.8	34.9	34.9	35.0	35.0
890	35.0	35.1	35.1	35.2	35.2	35.2	35.3	35.3	35.4	35.4
900	35.4	35.5	35.5	35.6	35.6	35.6	35.7	35.7	35.7	35.8
910	35.8	35.9	35.9	35.9	36.0	36.0	36.1	36.1	36.1	36.2
920	36.2	36.3	36.3	36.3	36.4	36.4	36.5	36.5	36.5	36.6
930	36.6	36.7	36.7	36.7	36.8	36.8	36.9	36.9	36.9	37.0
940	37.0	37.0	37.1	37.1	37.2	37.2	37.2	37.3	37.3	37.4
950	37.4	37.4	37.5	37.5	37.6	37.6	37.6	37.7	37.7	37.8
960	37.8	37.8	37.9	37.9	38.0	38.0	38.0	38.1	38.1	38.1
970	38.2	38.2	38.3	38.3	38.3	38.4	38.4	38.5	38.5	38.5
980	38.6	38.6	38.7	38.7	38.7	38.8	38.8	38.9	38.9	38.9
990	39.0	39.0	39.1	39.1	39.1	39.2	39.2	39.3	39.3	39.3
1000	39.4	39.4	39.4	39.5	39.5	39.6	39.6	39.6	39.7	39.7

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