How Many Mm Is 1/8 Inch

In the United States, the most common way of measuring length is in inches. There are 12 inches in a foot, and 36 inches in a yard. One inch is equal to 2.54 centimeters.

In other words, 1/8 inch is equal to 3.175 millimeters.

There are a lot of things that we use in our everyday lives that we don’t think about the measurements of. We just know that they are the right size for what we need them for. Things like screws, nails, and even the little things like buttons on our clothes.

But have you ever wondered how big or small something actually is? For example, how many mm is 1/8 inch? It’s actually quite simple to convert mm to inches or vice versa.

For this example, we’ll use the metric to imperial conversion. There are 25.4mm in an inch, so to find out how many mm there are in 1/8 inch, we just need to divide 25.4 by 8. This gives us 3.175mm.

So, the next time you’re looking at something small and wondering how big or small it actually is, remember that you can easily convert mm to inches or inches to mm.

1 3/8 inch to mm

The metric system is an international system of units that is used extensively in the sciences. The most common unit of length in the metric system is the meter (m), which is equal to around 3.3 feet or 1.1 yards. One meter is equal to 1,000 millimeters (mm), so to convert from meters to millimeters, one simply multiplies by 1,000.

For example, 3 meters would be 3,000 millimeters. To convert a length in inches to millimeters, one must first convert inches to centimeters. There are 2.54 centimeters in an inch, so to convert from inches to centimeters, one multiplies by 2.54.

For example, 12 inches would be 12 x 2.54 = 30.48 centimeters. To convert from centimeters to millimeters, one simply multiplies by 10. Therefore, 30.48 centimeters would be 30.48 x 10 = 304.8 millimeters.

Now that we know how to convert from inches to millimeters, we can answer the original question of how many millimeters are in 1 3/8 inches. 1 3/8 inches is equal to 1.375 inches. To convert from inches to centimeters, we multiply by 2.54, so 1.375 inches is equal to 1.375 x 2.54 = 3.175 centimeters.

How Many Mm is 1/8 Inch


What is the equivalent of 1/8 inch in millimeters mm?

There are a variety of ways to answer this question, but the most accurate way is to use a conversion chart. According to the chart, 1/8 inch is equivalent to 3.175 millimeters.

Is 5mm the same as 1/8 inch?

No, they are not the same. 5mm is metric and 1/8 inch is imperial.

How many mm is an 8th inch?

There are exactly 25.4 mm in an 8th inch.

How do you measure 1/4 inch in mm?

If you need to measure something in millimeters that is a quarter of an inch, you can use a simple conversion method to change inches into millimeters. In order to convert 1/4 inch into millimeters, you need to know that there are 25.4 millimeters in an inch. To convert 1/4 inch into millimeters, you need to multiply 1/4 by 25.4.

This will give you the answer of 6.35 mm for 1/4 inch.

Measuring to the Nearest 1/8 Inch


In the United States, fractions are commonly used when referring to inches. The fractions are in even increments starting at 1/16th of an inch and going up to 1/2 of an inch. A lot of people don’t know how to convert these fractions into the metric system, which uses millimeters.

So, how many mm is 1/8 inch? 1/8 inch is equal to 3.175 mm. This is a pretty easy conversion, and there are a few different ways that you can do it.

The easiest way is to just remember that 1/8 inch is a little less than 1/4 inch, so it’s about 3 mm. Another way to do the conversion is to use a ruler. If you have a ruler that is marked in inches and millimeters, you can just line up the 1/8 inch mark with the 3 mm mark and see that they are indeed equal.

So there you have it, now you know how to convert 1/8 inch into millimeters. This can be a handy conversion to know, especially if you’re working with metric measurements.

About Matt Bolton

Matt Bolton is the dedicated and passionate Editor of, a website that specializes in providing a wide range of information, tips, and reviews on gadgets, electronics, and all things inch-related.

View all posts by Matt Bolton →

Leave a Reply

Your email address will not be published. Required fields are marked *