Inches to Millimeters (mm) Converter

Quick Lookup (Round: 2). in to mm

in	1/8	1/4	1/2	3/4	1	1.5	2	2.5	3	3.5	4	4.5	5	5.5	6	6.5	7	7.5	8	8.5	9	9.5	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40	41	42	43	44	45	46	47	48	49	50	60	70	80	90	100
mm	3.18	6.35	12.7	19.05	25.4	38.1	50.8	63.5	76.2	88.9	101.6	114.3	127	139.7	152.4	165.1	177.8	190.5	203.2	215.9	228.6	241.3	254	279.4	304.8	330.2	355.6	381	406.4	431.8	457.2	482.6	508	533.4	558.8	584.2	609.6	635	660.4	685.8	711.2	736.6	762	787.4	812.8	838.2	863.6	889	914.4	939.8	965.2	990.6	1016	1041.4	1066.8	1092.2	1117.6	1143	1168.4	1193.8	1219.2	1244.6	1270	1524	1778	2032	2286	2540

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How many millimeters in an inch?

There are 25.4 millimeters in an inch. To convert inches to millimeters, multiply the inch value by 25.4.

For example, to find out how many millimeters in an inch and a half, multiply 1.5 by 25.4, that makes 38.1 millimeters in an inch and a half.

1 Inch = 25.4 Millimeters

How to convert millimeters to inches?

As there are 25.4 millimeters in an inch, to convert millimeters to inches, divide the millimeter value by 25.4.

For example, to find out how many inches is 50 millimeters, divide 50 by 25.4, that makes 1.9685 inches equal to 50 millimeters.

1 Millimeter = 0.0393701 Inch

You may also use this length and distance units conversion calculator tool to convert between inches, millimeters and all other length and distance units.

What is an Inch?

Inch is an imperial and United States Customary length unit. 1 inch = 25.4mm. The symbol is "in".

What is a Millimeter?

Millimeter (millimetre) is a metric system length unit. 1 mm = 0.0393701 inch. The symbol is "mm".

Create Conversion Table

Click "Create Table". Enter a "Start" value (5, 100 etc). Select an "Increment" value (0.01, 5 etc) and select "Accuracy" to round the result.

How to create conversion table?

Start:

Increment:

Accuracy:

Inches to Millimeters Conversion Table

Inch	MM	Inch	MM	Inch	MM	Inch	MM
1	25.4	26	660.4	51	1295.4	76	1930.4
2	50.8	27	685.8	52	1320.8	77	1955.8
3	76.2	28	711.2	53	1346.2	78	1981.2
4	101.6	29	736.6	54	1371.6	79	2006.6
5	127	30	762	55	1397	80	2032
6	152.4	31	787.4	56	1422.4	81	2057.4
7	177.8	32	812.8	57	1447.8	82	2082.8
8	203.2	33	838.2	58	1473.2	83	2108.2
9	228.6	34	863.6	59	1498.6	84	2133.6
10	254	35	889	60	1524	85	2159
11	279.4	36	914.4	61	1549.4	86	2184.4
12	304.8	37	939.8	62	1574.8	87	2209.8
13	330.2	38	965.2	63	1600.2	88	2235.2
14	355.6	39	990.6	64	1625.6	89	2260.6
15	381	40	1016	65	1651	90	2286
16	406.4	41	1041.4	66	1676.4	100	254
17	431.8	42	1066.8	67	1701.8	125	3175
18	457.2	43	1092.2	68	1727.2	150	381
19	482.6	44	1117.6	69	1752.6	175	4445
20	508	45	1143	70	1778	200	508
21	533.4	46	1168.4	71	1803.4	250	635
22	558.8	47	1193.8	72	1828.8	300	762
23	584.2	48	1219.2	73	1854.2	500	1270
24	609.6	49	1244.6	74	1879.6	750	1905
25	635	50	127	75	1905	1000	2540

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