How to Convert Millimeters to Inches Formula and Examples
MM abbreviated as Millimeter is a unit of length in the metric system, equal to 0.001 metre or 0.03937 inch. On the other hand, inch is a unit of length in the British Imperial and United States Customary Measure, equal to 0.0254 metre or 25.4 mm. MM to inches conversion refers to the conversion of unit mm to the unit inches. It is quite easy to convert mm to inches and vice-versa with the help of a simple mathematical formula. In this article, we will learn the methods and formulas to convert mm to inches and vice versa.
How To Convert MM To Inches?
There are two ways to convert mm to inches. The two ways are:
Divide the value of millimeter by 25.4, or
Multiply the value of millimeter by 0.03937
MM To Inches Formula
The two formulas to convert mm to inches are given below:
Inches = Millimeters ፥ 25.4 Inches = Millimeters X 0.03937 |
MM To Inches Example
1. Convert 5 MM to Inches
Solution:
As we know:
1 MM = 0.03937 inches
Using the mm to inches formula:
Inches = Millimeters X 0.03937
Substituting the values, we get:
Inches = 5 X 0.03937
Inches = 0.19685
Hence, 5 mm is equals to 0.19685 inch
How To Convert Inches To MM?
To convert a given value in inch to mm, simply multiply the inch value by 25.4 or you can also use the inch to mm formula given below.
Inch To MM Formula
The formula to convert inch to mm is given below:
Millimeters = Inches X 25.4 |
Inch To MM Example
2. Convert 5 inches to mm
Solution:
As we know:
1 IN = 25.4 MM
Using the inches to mm formula:
Millimeters = Inches X 25.4
Substituting the values, we get:
MM = 5 X 25.4
MM = 127
Hence, 5 inches is equals to 127 mm
MM to Inches Calculator
The MM to inches calculator is an online tool that represents the conversion of units from the meter to inches. The mm to inches online calculator given below performs the speedy calculation and represents the conversion value in a fraction of seconds.
Millimetre(MM):
Inches (In):
Solve |
How To Use MM To Inches Calculator?
The procedure to use mm to inches calculator is given below:
Step 1: Enter the mm value in the given input field.
Step 2: Now click the button “Solve” to instantly get the conversion value.
Finally the result of mm to inches will be displayed in the output field.
Inches To MM Calculator
The inches to MM calculator is an online tool that converts the given inches value into mm. The inches to mm online calculator given below represents the inches to mm conversion value in a fraction of seconds.
Inches(In):
Millimeter (MM):
Solve |
How To Use Inches To MM Calculator?
The procedure to use inches to mm calculator is given below:
Step 1: Enter the inches value in the given input field.
Step 2: Now click the button “Solve” to instantly get the conversion value.
Finally the result of inches to mm will be displayed in the output field.
MM To Inches Fraction Chart
The following MM To Inches charts represents mm to inches values in fractional form:
MM | Inches |
1 mm | 3/64" |
2 mm | 5/64" |
3 mm | 1/8" |
4 mm | 5/32" |
5 mm | 13/64" |
6 mm | 15/64" |
7 mm | 9/32" |
8 mm | 5/16 " |
9 mm | 23/64" |
10 mm | 25/64" |
11 mm | 7/16" |
12 mm | 15/32" |
13 mm | 33/64" |
14 mm | 35/64" |
15 mm | 19/32" |
16 mm | 5/8" |
17 mm | 43/64" |
18 mm | 45/64" |
19 mm | 3/4" |
20 mm | 25/32" |
MM To Inches Chart PDF
The following MM to inches chart represents the mm to inches values in decimal form.
Inches | MM |
1 mm | O.O3937 |
2 mm | 0.07874 |
3 mm | 0.11811 |
4 mm | 0.15748 |
5 mm | 0.19685 |
6 mm | 0.23622 |
7 mm | 0.275591 |
8 mm | 0.31496 |
9 mm | 0.35433 |
10 mm | 0.39370 |
11 mm | 0.43307 |
12 mm | 0.47244 |
13 mm | 0.511811 |
14 mm | 0.551181 |
15 mm | 0.59055 |
16 mm | 0.62992 |
17 mm | 0.66929 |
18 mm | 0.70866 |
19 mm | 0.74803 |
20 mm | 0.78740 |
Uses of MM and Inches
Let us know the usage of mm and inches in different fields.
MM Uses
MM is the widely used measurement tool for length of engineering tools like screw gauge, vernier caliper, etc.
From those manufacturing scales to cutting tools, everything is designed based on the unit of length mm.
In the designing and engineering industry, we use the smallest unit of measurement known as mm for getting the best and most accurate solution
Inches Uses
During the period of King Edward II, in the early 14th century, the inch was defined as three grains of barley, dry and round, placed end to end lengthwise.
In 1933, American Standard Association adopted the inch in their standard unit of measurement of length.
People of Scotland in the 12th century used inches as a unit of measurement. They defined inches as equivalent to the width of an average man’s thumb at the base of the nail.
The US and British in 1959 signed a treaty to accept and fix a common definition of inch for the commonwealth countries.
All the road signs including the quantities related to speed and distance in the US are being measured using the inches as a unit of length.
FAQs on Mm to Inches Conversion Explained Simply
1. How do you convert mm to inches?
To convert millimeters to inches, divide the number of millimeters by 25.4. The formula is: Inches = Millimeters ÷ 25.4.
- Step 1: Take the value in mm.
- Step 2: Divide it by 25.4.
- Step 3: The result is the length in inches.
2. What is 1 mm in inches?
One millimeter is equal to 0.03937 inches. This value comes from the exact relationship that 1 inch = 25.4 mm.
- Formula used: 1 ÷ 25.4 = 0.03937
- This is commonly used in unit conversion problems.
3. What is the formula for converting mm to inches?
The formula to convert millimeters to inches is Inches = Millimeters ÷ 25.4. This works because one inch is exactly 25.4 millimeters.
- Divide the given mm value by 25.4.
- The answer will be in inches.
4. Why do we divide by 25.4 to convert mm to inches?
We divide by 25.4 because 1 inch equals exactly 25.4 millimeters. Since millimeters are smaller units, dividing converts them into the larger inch unit.
- Given: 1 inch = 25.4 mm
- So, mm ÷ 25.4 = inches
5. How many millimeters are in 1 inch?
There are 25.4 millimeters in 1 inch. This is an exact conversion value used worldwide.
- 1 inch = 25.4 mm
- To convert inches to mm, multiply by 25.4.
6. What is 10 mm in inches?
10 millimeters is equal to 0.3937 inches (approximately).
- Use the formula: Inches = 10 ÷ 25.4
- 10 ÷ 25.4 = 0.3937
7. How do you convert inches to mm?
To convert inches to millimeters, multiply the number of inches by 25.4. The formula is: Millimeters = Inches × 25.4.
- Step 1: Take the inch value.
- Step 2: Multiply it by 25.4.
- Step 3: The result is in millimeters.
8. Is mm bigger than inches?
No, a millimeter is smaller than an inch because 1 inch = 25.4 mm. This means it takes 25.4 millimeters to make one inch.
- Millimeter (mm) is a metric unit.
- Inch is an imperial unit.
- 1 mm = 0.03937 inches.
9. Can you give an example of converting mm to inches?
Yes, to convert 100 mm to inches, divide by 25.4, which gives 3.94 inches (approximately).
- Step 1: Write the formula: Inches = mm ÷ 25.4
- Step 2: 100 ÷ 25.4 = 3.937
- Step 3: Round to 3.94 inches
10. What is the easiest way to convert mm to inches without a calculator?
The easiest way to convert mm to inches without a calculator is to remember that 25 mm is about 1 inch. Since 1 inch equals 25.4 mm, 25 mm is a close estimate.
- Use 25 mm ≈ 1 inch for rough calculations.
- For more accuracy, divide by 25.4.
