Resources

Measurement Conversion Table

To convert between inches and millimeters, consult the table below.

Or, for an exact calculation, enter the known value in the input field and click to convert.

1 inch = 25.40 millimeters.
1 millimeter = 0.03937 inches.

____ Inches		= ____ Millimetres
	"	= mm
.	0.0039"	0.1000 mm
.	0.0079"	0.2000 mm
.	0.0118"	0.3000 mm
1/64"	0.0156"	0.3969 mm
.	0.0157"	0.4000 mm
.	0.0197"	0.5000 mm
.	0.0236"	0.6000 mm
.	0.0276"	0.7000 mm
1/32"	0.0313"	0.7938 mm
.	0.0315"	0.8000 mm
.	0.0354"	0.9000 mm
.	0.0394"	1.0000 mm
.	0.0433"	1.1000 mm
3/64"	0.0469"	1.1906 mm
.	0.0472"	1.2000 mm
.	0.0512"	1.3000 mm
.	0.0551"	1.4000 mm
.	0.0591"	1.5000 mm
1/16"	0.0625"	1.5875 mm
.	0.0630"	1.6000 mm
.	0.0669"	1.7000 mm
.	0.0709"	1.8000 mm
.	0.0748"	1.9000 mm
5/64"	0.0781"	1.9844 mm
.	0.0787"	2.0000 mm
.	0.0827"	2.1000 mm
.	0.0866"	2.2000 mm
.	0.0906"	2.3000 mm
3/32"	0.0938"	2.3813 mm
.	0.0945"	2.4000 mm
.	0.0984"	2.5000 mm
7/64"	0.1094"	2.7781 mm
.	0.1181"	3.0000 mm
1/8"	0.1250"	3.1750 mm
.	0.1378"	3.5000 mm
9/64"	0.1406"	3.5719 mm
5/32"	0.1563"	3.9688 mm
.	0.1575"	4.0000 mm
11/64"	0.1719"	4.3656 mm
.	0.1772"	4.5000 mm
3/16"	0.1875"	4.7625 mm
.	0.1969"	5.0000 mm
13/64"	0.2031"	5.1594 mm
.	0.2165"	5.5000 mm
7/32"	0.2188"	5.5563 mm
15/64"	0.2344"	5.9531 mm
.	0.2362"	6.0000 mm
1/4"	0.2500"	6.3500 mm
.	0.2559"	6.5000 mm
17/64"	0.2656"	6.7469 mm
.	0.2756"	7.0000 mm
9/32"	0.2813"	7.1438 mm
.	0.2953"	7.5000 mm
19/64"	0.2969"	7.5406 mm
5/16"	0.3125"	7.9375 mm
.	0.3150"	8.0000 mm
21/64"	0.3281"	8.3344 mm
.	0.3346"	8.5000 mm
11/32"	0.3438"	8.7313 mm
.	0.3543"	9.0000 mm
23/64"	0.3594"	9.1281 mm
.	0.3740"	9.5000 mm
3/8"	0.3750"	9.5250 mm
25/64"	0.3906"	9.9219 mm
.	0.3937"	10.0000 mm
13/32"	0.4063"	10.3188 mm
.	0.4134"	10.5000 mm
27/64"	0.4219"	10.7156 mm
.	0.4331"	11.0000 mm
7/16"	0.4375"	11.1125 mm
.	0.4528"	11.5000 mm
29/64"	0.4531"	11.5094 mm
15/32"	0.4688"	11.9063 mm
.	0.4724"	12.0000 mm
31/64"	0.4844"	12.3031 mm
.	0.4921"	12.5000 mm
1/2"	0.5000"	12.7000 mm
.	0.5118"	13.0000 mm
33/64"	0.5156"	13.0969 mm
17/32"	0.5313"	13.4938 mm
.	0.5315"	13.5000 mm
35/64"	0.5469"	13.8906 mm
.	0.5512"	14.0000 mm
9/16"	0.5625"	14.2875 mm
.	0.5709"	14.5000 mm
37/64"	0.5781"	14.6844 mm
.	0.5906"	15.0000 mm
19/32"	0.5938"	15.0813 mm
39/64"	0.6094"	15.4781 mm
.	0.6102"	15.5000 mm
5/8"	0.6250"	15.8750 mm
.	0.6299"	16.0000 mm
41/64"	0.6406"	16.2719 mm
.	0.6496"	16.5000 mm
21/32"	0.6563"	16.6688 mm
.	0.6693"	17.0000 mm
43/64"	0.6719"	17.0656 mm
11/16"	0.6875"	17.4625 mm
.	0.6890"	17.5000 mm
45/64"	0.7031"	17.8594 mm
.	0.7087"	18.0000 mm
23/32"	0.7188"	18.2563 mm
.	0.7283"	18.5000 mm
47/64"	0.7344"	18.6531 mm
.	0.7480"	19.0000 mm
3/4"	0.7500"	19.0500 mm
49/64"	0.7656"	19.4469 mm
.	0.7677"	19.5000 mm
25/32"	0.7813"	19.8438 mm
.	0.7874"	20.0000 mm
51/64"	0.7969"	20.2406 mm
.	0.8071"	20.5000 mm
13/16"	0.8125"	20.6375 mm
.	0.8268"	21.0000 mm
53/64"	0.8281"	21.0344 mm
27/32"	0.8438"	21.4313 mm
.	0.8465"	21.5000 mm
55/64"	0.8594"	21.8281 mm
.	0.8661"	22.0000 mm
7/8"	0.8750"	22.2250 mm
.	.8858"	22.5000 mm
57/64"	.89063"	22.6219 mm
.	.9055"	23.0000 mm
29/32"	.90625"	23.0188 mm
59/64"	.92188"	23.4156 mm
.	.9252"	23.5000 mm
15/16"	.93750"	23.8125 mm
.	.9449"	24.0000 mm
61/64"	.95313"	24.2094 mm
.	.9646"	24.5000 mm
31/32"	.96875"	24.6063 mm
.	.9843"	25.0000 mm
63/64"	.98438"	25.0031 mm
1"	1.000"	25.40 mm
.	1.0039"	25.5000 mm
.	1.0236"	26.0000 mm
.	1.0433"	26.5000 mm
.	1.0630"	27.0000 mm
.	1.0827"	27.5000 mm
.	1.1024"	28.0000 mm
.	1.1220"	28.5000 mm
.	1.1417"	29.0000 mm
.	1.1614"	29.5000 mm
.	1.1811"	30.0000 mm
.	1.2205"	31.0000 mm
1 1/4"	1.2500"	31.7500 mm
.	1.2598"	32.0000 mm
.	1.2992"	33.0000 mm
.	1.3386"	34.0000 mm
.	1.3780"	35.0000 mm
.	1.4173"	36.0000 mm
.	1.4567"	37.0000 mm
.	1.4961"	38.0000 mm
1 1/2"	1.5000"	38.1000 mm
.	1.5354"	39.0000 mm
.	1.5748"	40.0000 mm
.	1.6142"	41.0000 mm
.	1.6535"	42.0000 mm
.	1.6929"	43.0000 mm
.	1.7323"	44.0000 mm
1 3/4"	1.7500"	44.4500 mm
.	1.7717"	45.0000 mm
.	1.8110"	46.0000 mm
.	1.8504"	47.0000 mm
.	1.8898"	48.0000 mm
.	1.9291"	49.0000 mm
.	1.9685"	50.0000 mm
2"	2.0000"	50.8000 mm
.	2.0079"	51.0000 mm
.	2.0472"	52.0000 mm
.	2.0866"	53.0000 mm
.	2.1260"	54.0000 mm
.	2.1654"	55.0000 mm
.	2.2047"	56.0000 mm
.	2.2441"	57.0000 mm
2 1/4"	2.2500"	57.1500 mm
.	2.2835"	58.0000 mm
.	2.3228"	59.0000 mm
.	2.3622"	60.0000 mm
.	2.4016"	61.0000 mm
.	2.4409"	62.0000 mm
.	2.4803"	63.0000 mm
2 1/2"	2.5000"	63.5000 mm
.	2.5197"	64.0000 mm
.	2.5591"	65.0000 mm
.	2.5984"	66.0000 mm
.	2.6378"	67.0000 mm
.	2.6772"	68.0000 mm
.	2.7165"	69.0000 mm
2 3/4"	2.7500"	69.8500 mm
.	2.7559"	70.0000 mm
.	2.7953"	71.0000 mm
.	2.8346"	72.0000 mm
.	2.8740"	73.0000 mm
.	2.9134"	74.0000 mm
.	2.9528"	75.0000 mm
.	2.9921"	76.0000 mm
3"	3.0000"	76.2000 mm
.	3.0315"	77.0000 mm
.	3.0709"	78.0000 mm
.	3.1102"	79.0000 mm
.	3.1496"	80.0000 mm
.	3.1890"	81.0000 mm
.	3.2283"	82.0000 mm
.	3.2677"	83.0000 mm
.	3.3071"	84.0000 mm
.	3.3465"	85.0000 mm
.	3.3858"	86.0000 mm
.	3.4252"	87.0000 mm
.	3.4646"	88.0000 mm
3 1/2"	3.5000"	88.9000 mm
.	3.5039"	89.0000 mm
.	3.5433"	90.0000 mm
.	3.5827"	91.0000 mm
.	3.6220"	92.0000 mm
.	3.6614"	93.0000 mm
.	3.7008"	94.0000 mm
.	3.7402"	95.0000 mm
.	3.7795"	96.0000 mm
.	3.8189"	97.0000 mm
.	3.8583"	98.0000 mm
.	3.8976"	99.0000 mm
.	3.9370"	100.0000 mm
4"	4.0000"	101.6000 mm
.	4.3307"	110.0000 mm
4 1/2"	4.5000"	114.3000 mm
.	4.7244"	120.0000 mm
5"	5.0000"	127.0000 mm
.	5.1181"	130.0000 mm
.	5.5118"	140.0000 mm
.	5.9055"	150.0000 mm
6"	6.0000"	152.4000 mm
.	6.2992"	160.0000 mm
.	6.6929"	170.0000 mm
.	7.0866"	180.0000 mm
.	7.4803"	190.0000 mm
.	7.8740"	200.0000 mm
8"	8.0000"	203.2000 mm
.	9.8425"	250.0000 mm
10"	10.0000"	254.0000 mm
20"	20.0000"	508.0000 mm
30"	30.0000"	762.0000 mm
40"	40.0000"	1016.000 mm
60"	60.0000"	1524.000 mm
80"	80.0000"	2032.000 mm
100"	100.0000"	2540.000 mm