Inches to mm Conversion | inches to mm Table chart

The inches to mm Conversion and from mm to inch can be derived from a simple formula, which we will learn below.

Inches to mm Conversion Calculator

inches to mm Conversion Calculator

Type a value in the Inches field to convert the value to mm:

mm:

What is an Inch?

Inch is a unit of measurement to measure the length of any object. The United States (U.S.) uses the imperial measurement system which includes inch. But the rest of the world uses the metric systems most of the time. So, we need conversion from inches to mm sometimes. There are 12 inches in one foot and 36 inches in one yard. Sometimes, an inch can be written as inches, in or inverted commas above a number (e.g. 4″), where ‘ ‘ denotes the inches.

Inches to mm Conversion Formula

One inch is equal to 25.4mm. Mathematically, it can be written as:

1 inch = 25.4 mm

Inches to mm Conversion
Inches to mm Conversion

Inches to mm Conversion Examples

Question 1: How many mm are there in 1 inch?

Answer: We have to calculate mm in one inch.

So we know by a formula that

1 inch = 25.4 mm

Question 2: Convert 12 inches to mm?

Answer: We have to calculate mm in 12 inches.

We know the formula that

1 inch = 25.4 mm

Hence 12 inches to mm = 25.4 *12

= 304.8 mm

Question 2: Convert 3 inches to mm?

Answer: We have to calculate mm in 3 inches.

We know the formula that

1 inch = 25.4 mm

Hence 3 inches to mm = 25.4 *3

= 76.2 mm

Check more examples at Google

What is an mm?

mm is a unit of measurement to measure the length of any object. The mm is a part of the metric system. Sometimes, we need conversion from mm to inches. Sometimes, mm can be written as millimeters.

mm to Inches Conversion Formula

One mm is equal to 0.0393701 inches. Mathematically, it can be written as:

1mm = inches x 25.4

1 mm = 0.0393701 inches

mm to inches Conversion Examples

Question 1: How many inches are there in 1mm?

Answer: We have to calculate inches in one mm.

So we know by a formula that

1 mm = 0.0393701 inches

Question 2: Convert 30 mm to inches?

Answer: We have to calculate inches in 30 mm.

We know the formula that

1 mm = 0.0393701 inches

Hence 30 mm to inches = 30*0.0393701

= 1.181103 inches

Question 3: Convert 8 mm to inches?

Answer: We have to calculate inches in 30 mm.

We know the formula that

1 mm = 0.0393701 inches

Hence 8 mm to inches = 8*0.0393701

= .3149608 inches

Inches to mm Conversion Table Chart

InchesInchesMetric
FractionalDecimalmm
1/640.01560.3969
1/320.03130.7938
3/640.04691.1906
1/160.06251.5875
5/640.07811.9844
3/320.09382.3813
7/640.10942.7781
1/80.12503.1750
9/640.14063.5719
5/320.15633.9688
11/640.17194.3656
3/160.18754.7625
13/640.20315.1594
7/320.21885.5563
15/640.23445.9531
1/40.25006.3500
17/640.26566.7469
9/320.28137.1438
19/640.29697.5406
5/160.31257.9375
21/640.32818.3344
11/320.34388.7313
23/640.35949.1281
3/80.37509.5250
25/640.39069.9219
13/320.406310.3188
27/640.421910.7156
7/160.437511.1125
29/640.453111.5094
15/320.468811.9063
31/640.484412.3031
1/20.500012.7000
33/640.515613.0969
17/320.531313.4938
35/640.546913.8906
9/160.562514.2875
37/640.578114.6844
19/320.593815.0813
39/640.609415.4781
5/80.625015.8750
41/640.640616.2719
21/320.656316.6688
43/640.671917.0656
11/160.687517.4625
45/640.703117.8594
23/320.718818.2563
47/640.734418.6531
3/40.750019.0500
49/640.765619.4469
25/320.781319.8438
51/640.796920.2406
13/160.812520.6375
53/640.828121.0344
27/320.843821.4313
55/640.859421.8281
7/80.875022.2250
57/640.8906322.6219
29/320.9062523.0188
59/640.9218823.4156
15/160.9375023.8125
61/640.9531324.2094
31/320.9687524.6063
63/640.9843825.0031
11.00025.40
1 1/41.250031.7500
1 1/21.500038.1000
1 3/41.750044.4500
22.000050.8000
2 1/42.250057.1500
2 1/22.500063.5000
2 3/42.750069.8500
33.000076.2000
3 1/23.500088.9000
44.0000101.6000
4 1/24.5000114.3000
55.0000127.0000
66.0000152.4000
88.0000203.2000
1010.0000254.0000
2020.0000508.0000
3030.0000762.0000
4040.00001016.000
6060.00001524.000
8080.00002032.000
100100.00002540.000

Some Other inches to mm Conversions

1 inch0.083 feet
1 inch2.54 cm
1 inch0.0254 m
1 inch0.028 yard
1 inch6.45 sq. cm

Frequently Asked Questions

1.) 1 inch to mm?

One inch is equal to 25.4mm. Mathematically, it can be written as:
1 inch = 25.4 mm

2.) How many inches to mm?

One inch is equal to 25.4mm. Mathematically, it can be written as:
1 inch = 25.4 mm

3.) What size is 3/4 inch in mm?

As we know, 1 inch is equal to 25.4 mm. So,
3/4 inches = 25.4 x 3/4
=19.05 mm

4.) How many mm is 3/8 inch?

As we know, 1 inch is equal to 25.4 mm. So,
3/8 inches = 25.4 x 3/8
=9.525 mm

Also, Read What is MTTR Formula, Calculation Significance