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

Table of Contents

## mm to Inches Conversion Calculator

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

Inches:

**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 / 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 10 mm to inches?**

**Answer:** We have to calculate inches in 10 mm.

We know the formula that

**1 mm = 0.0393701 inches**

Hence 10 mm to inches = 10*0.0393701

= .393701 inches

**Question 3: Convert 100 mm to inches?**

**Answer:** We have to calculate inches in 100 mm.

We know the formula that

**1 mm = 0.0393701 inches**

Hence 100 mm to inches = 100*0.0393701

= 3.93701 inches

**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 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 10 inches to mm?**

**Answer:** We have to calculate mm in 12 inches.

We know the formula that

1 inch = 25.4 mm

Hence 10 inches to mm = 25.4 *10

= 254 mm

**Question 2: Convert 9 inches to mm?**

**Answer:** We have to calculate mm in 9 inches.

We know the formula that

1 inch = 25.4 mm

Hence 9 inches to mm = 25.4 *9

= 228.6 mm

Check more examples at Google

**mm to Inches Conversion Table Chart**

Inches | Inches | Metric |
---|---|---|

Fractional | Decimal | mm |

1/64″ | 0.0156 | 0.3969 |

1/32″ | 0.0313 | 0.7938 |

3/64″ | 0.0469 | 1.1906 |

1/16″ | 0.0625 | 1.5875 |

5/64″ | 0.0781 | 1.9844 |

3/32″ | 0.0938 | 2.3813 |

7/64″ | 0.1094 | 2.7781 |

1/8″ | 0.1250 | 3.1750 |

9/64″ | 0.1406 | 3.5719 |

5/32″ | 0.1563 | 3.9688 |

11/64″ | 0.1719 | 4.3656 |

3/16″ | 0.1875 | 4.7625 |

13/64″ | 0.2031 | 5.1594 |

7/32″ | 0.2188 | 5.5563 |

15/64″ | 0.2344 | 5.9531 |

1/4″ | 0.2500 | 6.3500 |

17/64″ | 0.2656 | 6.7469 |

9/32″ | 0.2813 | 7.1438 |

19/64″ | 0.2969 | 7.5406 |

5/16″ | 0.3125 | 7.9375 |

21/64″ | 0.3281 | 8.3344 |

11/32″ | 0.3438 | 8.7313 |

23/64″ | 0.3594 | 9.1281 |

3/8″ | 0.3750 | 9.5250 |

25/64″ | 0.3906 | 9.9219 |

13/32″ | 0.4063 | 10.3188 |

27/64″ | 0.4219 | 10.7156 |

7/16″ | 0.4375 | 11.1125 |

29/64″ | 0.4531 | 11.5094 |

15/32″ | 0.4688 | 11.9063 |

31/64″ | 0.4844 | 12.3031 |

1/2″ | 0.5000 | 12.7000 |

33/64″ | 0.5156 | 13.0969 |

17/32″ | 0.5313 | 13.4938 |

35/64″ | 0.5469 | 13.8906 |

9/16″ | 0.5625 | 14.2875 |

37/64″ | 0.5781 | 14.6844 |

19/32″ | 0.5938 | 15.0813 |

39/64″ | 0.6094 | 15.4781 |

5/8″ | 0.6250 | 15.8750 |

41/64″ | 0.6406 | 16.2719 |

21/32″ | 0.6563 | 16.6688 |

43/64″ | 0.6719 | 17.0656 |

11/16″ | 0.6875 | 17.4625 |

45/64″ | 0.7031 | 17.8594 |

23/32″ | 0.7188 | 18.2563 |

47/64″ | 0.7344 | 18.6531 |

3/4″ | 0.7500 | 19.0500 |

49/64″ | 0.7656 | 19.4469 |

25/32″ | 0.7813 | 19.8438 |

51/64″ | 0.7969 | 20.2406 |

13/16″ | 0.8125 | 20.6375 |

53/64″ | 0.8281 | 21.0344 |

27/32″ | 0.8438 | 21.4313 |

55/64″ | 0.8594 | 21.8281 |

7/8″ | 0.8750 | 22.2250 |

57/64″ | 0.89063 | 22.6219 |

29/32″ | 0.90625 | 23.0188 |

59/64″ | 0.92188 | 23.4156 |

15/16″ | 0.93750 | 23.8125 |

61/64″ | 0.95313 | 24.2094 |

31/32″ | 0.96875 | 24.6063 |

63/64″ | 0.98438 | 25.0031 |

1″ | 1.000 | 25.40 |

1 1/4″ | 1.2500 | 31.7500 |

1 1/2″ | 1.5000 | 38.1000 |

1 3/4″ | 1.7500 | 44.4500 |

2″ | 2.0000 | 50.8000 |

2 1/4″ | 2.2500 | 57.1500 |

2 1/2″ | 2.5000 | 63.5000 |

2 3/4″ | 2.7500 | 69.8500 |

3″ | 3.0000 | 76.2000 |

3 1/2″ | 3.5000 | 88.9000 |

4″ | 4.0000 | 101.6000 |

4 1/2″ | 4.5000 | 114.3000 |

5″ | 5.0000 | 127.0000 |

6″ | 6.0000 | 152.4000 |

8″ | 8.0000 | 203.2000 |

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 Conversion Table Chart**

**Some Other mm to inches Conversions**

1 mm | 1000 micrometer |

1 mm | 0.1 cm |

1 mm | 0.001 m |

1 mm | 0.00109 yard |

1 mm | 0.0032 foot |

**mm to inches Conversions**

**Frequently Asked Questions**

### 1.) **1 mm to inch?**

One mm is equal to 0.0393701 inches. Mathematically, it can be written as:**1mm = inches / 25.4****1 mm = 0.0393701 inches**

**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 300mm to inches?**

One mm is equal to 0.0393701 inches. Mathematically, it can be written as:**1mm = inches / 25.4****300 mm =300* 0.0393701 inches**

=**11.81**

**4.) How many ****600mm to inches**?

**600mm to inches**?

One mm is equal to 0.0393701 inches. Mathematically, it can be written as:**1mm = inches / 25.4****600 mm =600* 0.0393701 inches**

=**23.62**

**Also, Read Inches to mm Conversion | inches to mm Table chart**