Learn how to convert 3 8 inches to millimeters using a simple formula and a converter tool. Find out the conversion factor, the facts about inches and millimeters, and other length …If we want to calculate how many Inches are 3.8 Millimeters we have to multiply 3.8 by 5 and divide the product by 127. So for 3.8 we have: (3.8 × 5) ÷ 127 = 19 ÷ 127 = 0.1496062992126 Inches. So finally 3.8 mm = 0.1496062992126 in.How to convert 3.8 inches to mm? The conversion factor from inches to mm is 25.4. To convert any value of inches to mm, multiply the inch value by the conversion factor. To …1 ″ = 25,4 mm. Jarak d dalam milimeter (mm) sama dengan jarak d dalam inci (″) kali 25,4: d (mm) = d (″) × 25,4.939.8 Millimeters. exact result. Decimal places. Feet and Inches. 37 inches = 3 feet and 1 inch. Result in Plain English. 37 inches is equal to about 940 millimeters. Result as a Fraction. 37 inches4″ sch 80 pipe schedule. You can easily convert inch dimension to mm by multiplying it by 25.4 and rounding as follow; Outside diameter above 16 inches rounded to nearest 1 mm. Outside diameter 16 inches and below rounded to nearest 0.1 mm. Pipe wall thickness is rounded to the nearest 0.01 mm.The Roman numeral MM is 2,000. M is the Roman numeral for 1,000. Roman numerals are read using the additive principle, which simply means that they are added together. So two Ms wo...What's 3 3/8 inches in millimeters? To convert from inches to millimeters, multiply the value in inches by 25.4. So, 3 3/8 in = (3 3/8) × 25.4 = 85.7 mm (this result may be approximate). How to convert 3.8 inches to mm? The conversion factor from inches to mm is 25.4. To convert any value of inches to mm, multiply the inch value by the conversion factor. To convert 3.8 inches to mm, multiply 3.8 by 25.4, that makes 3.8 inches equal to 96.52 mm. 3.8 inches to mm formula. mm = inch value * 25.4. mm = 3.8 * 25.4.Step 1: Enter the number of feet in the first input box. Step 2: Enter the number of inches in the second input box. Step 3: Click “Convert”. Step 4: The equivalent in millimeters will be displayed on the right-hand side. Also, the process used to convert from feet+inches to millimeters will be shown at the bottom.One foot contains 12 inches, and one yard is comprised of three feet. History/origin: ... in the measurement of a foot varying between 250 mm and 335 mm in the past compared to the current definition of 304.8 mm. While the United States is one of the few, if not only, countries in which the foot is still widely used, many countries used their ...The answer to this question is 8 3/8 of an inch equals 212.725 millimeters. How to convert from 8 3/8 inches to mm? Converting 8 3/8 inches to millimeters can be done in three …Convert MM/CM to Inches: convert mm to inches, cm to inches, inches to cm/mm, include convert decimal inch to fractional inch (e.g. 1.45" = 1 7/16"). Where is 1.8" in on a 12" ruler ? Where is the 3.2 cm in the 12 inches ruler ? Try this cm inch converter. Converter Meters to Feet: convert meters, feet and inches (m, ft and in), convert each other.Ensuring you have the right size gutter guard is important. We break down the best 6-inch gutter guards on the market. Expert Advice On Improving Your Home Videos Latest View All G...Inches : An inch (symbol: in) is a unit of length. It is defined as 1⁄12 of a foot, also is 1⁄36 of a yard. Though traditional standards for the exact length of an inch have varied, it is equal to exactly 25.4 mm. The inch is a popularly used customary unit of length in the United States, Canada, and the United Kingdom.Usage of fractions is recommended when more precision is needed. If we want to calculate how many Millimeters are 3.8 Inches we have to multiply 3.8 by 127 and divide the product by 5. So for 3.8 we have: (3.8 × 127) ÷ 5 = 482.6 ÷ 5 = 96.52 Millimeters. So finally 3.8 in = 96.52 mm. An inch was defined to be equivalent to exactly 25.4 millimeters in 1959. There are 12 inches in a foot and 36 inches in a yard. History/origin: The term "inch" was derived from the Latin unit "uncia" which equated to "one-twelfth" of a Roman foot. Nov 15, 2020 ... Corel Draw Tips & Tricks INCH to MM and the other way. 15K views · 3 years ago ... ... 8:08. Go to channel · Swirl Ribbon Designing in Coreldraw | ...31 Dec 2019 ... December 31, 2019, 8:52pm 1. I just installed light burn, watched 8 ... 3. There is the “quick change” button as @htrowrod identifies, though ...21 Oct 2018 ... Metric Conversion Trick!! Part 1. BrainSTEM•2.2M views · 3:13. Go to channel · How To Convert mm to Inches. The Organic Chemistry Tutor•26K ...385.83. 9,900. 389.76. 10,000. 393.70. Use this easy and mobile-friendly calculator to convert between millimeters and inches. Just type the number of millimeters into the box and hit the Calculate button.Quick conversion chart of inches to mm. 1 inches to mm = 25.4 mm. 2 inches to mm = 50.8 mm. 3 inches to mm = 76.2 mm. 4 inches to mm = 101.6 mm. 5 inches to mm = 127 mm. 6 inches to mm = 152.4 mm. 7 inches to mm = 177.8 mm. 8 inches to mm = 203.2 mm. 9 inches to mm = 228.6 mm. 10 inches to mm = 254 mmQuick conversion chart of inches to mm. 1 inches to mm = 25.4 mm. 2 inches to mm = 50.8 mm. 3 inches to mm = 76.2 mm. 4 inches to mm = 101.6 mm. 5 inches to mm = 127 mm. 6 inches to mm = 152.4 mm. 7 inches to mm = 177.8 mm. 8 inches to mm = 203.2 mm. 9 inches to mm = 228.6 mm. 10 inches to mm = 254 mm Convert MM/CM to Inches: convert mm to inches, cm to inches, inches to cm/mm, include convert decimal inch to fractional inch (e.g. 1.45" = 1 7/16"). Where is 1.8" in on a 12" ruler ? Where is the 3.2 cm in the 12 inches ruler ? Try this cm inch converter. Converter Meters to Feet: convert meters, feet and inches (m, ft and in), convert each other.3 mm: 0.3 cm: 5 mm: 0.5 cm: 10 mm: 1 cm: 20 mm: 2 cm: 50 mm: 5 cm: 100 mm: 10 cm: 1000 mm: 100 cm: How to Convert Millimeter to Centimeter. 1 mm = 0.1 cm ... Popular Length Unit Conversions. cm to inches. inches to cm. mm to inches. inches to mm. meters to feet. feet to meters. km to miles. miles to km. cm to feet. feet to cm. inches to …If we want to calculate how many Inches are 3.8 Millimeters we have to multiply 3.8 by 5 and divide the product by 127. So for 3.8 we have: (3.8 × 5) ÷ 127 = 19 ÷ 127 = 0.1496062992126 Inches. So finally 3.8 mm = 0.1496062992126 in.The relationship between inch and mm is: 1 inch = 25.4 mm. So, in order to convert X inches into millimeters. You will have to multiply X with 25.4 mm. Hence, it can also represent: X inch = X * 25.4 mm. Let’s look at some examples. Example 1: Convert 96 inches to mm. 96 inches = 96 x 25.4 mm Or, 96 inches = 2438.4 mm. Example 2: Convert 0. ... Even if you don’t want to lug around the world’s bulkiest laptop (or at least, one slightly bulkier than an already-bulky 15-inch laptop), the 16-inch MacBook Pro’s single redeemin...Inches and millimeters both are units that measure length. The symbols used for them are respectively in (or “), and mm. The International System of Units (SI) has established with a treaty in 1959 that 1” is equal to 25.4 mm, or conversely – 1 mm is equal to approximately 0.03937 in. Difference between Millimeters and InchesInches to mm converter. A quick online length calculator to convert Inches (in) to Millimeters (mm). Plus learn how to convert in to mm. 1 foot, 12 inches. 1 metre, 39.37008 inches. 45 RPM vinyl singles – the popular way to buy music from the 1960s to 1990s – Normally had a diameter of 7 inches. Long players (LPs) normally had a diameter of 12 inches. Rulers normally come marked for 30cm and 12 inches, since 12 inches = 30.048 cm. A can of Coke is 4.83 inches high. The answer to this question is 3 3/8 of an inch equals 85.725 millimeters. How to convert from 3 3/8 inches to mm? Converting 3 3/8 inches to millimeters can be done in three steps. First, we need to convert the fraction part 3/8 inches to decimal inches, then add the integer part 3, and finally convert the decimal inches to decimal millimeters.How to Convert Meter to Millimeter. 1 m = 1000 mm. 1 mm = 0.001 m. Example: convert 15 m to mm: 15 m = 15 × 1000 mm = 15000 mm.Advertisement You will find views of the planets through a telescope quite satisfying, and they will keep you coming back for more. You can also observe planets from urban areas, w...One foot contains 12 inches, and one yard is comprised of three feet. History/origin: ... in the measurement of a foot varying between 250 mm and 335 mm in the past compared to the current definition of 304.8 mm. While the United States is one of the few, if not only, countries in which the foot is still widely used, many countries used their ...How far is 8 inches in millimeters? 8 in to mm conversion. Amount. From. To. Calculate. swap units ↺. 8 Inches = 203.2 Millimeters. exact result. Decimal places. Result in Plain English. 8 inches is equal to about 203 millimeters. Result as a Fraction. 8 inches = 1,016 ⁄ 5 millimeters = 203 and 1 ⁄ 5 millimeters. In Scientific Notation. 8 inches ...How to convert from 2 3/8 inches to mm? Converting 2 3/8 inches to millimeters can be done in three steps. First, we need to convert the fraction part 3/8 inches to decimal inches, then add the integer part 2, and finally convert the decimal inches to decimal millimeters. To convert 3/8 inches from a fraction to a decimal, we simply divide the ... What's 3/8 inch in millimeters? To convert from inches to millimeters, multiply the value in inches by 25.4. So, 3/8 in = (3/8) × 25.4 = 9.52 mm (this result may be approximate). Even if you don’t want to lug around the world’s bulkiest laptop (or at least, one slightly bulkier than an already-bulky 15-inch laptop), the 16-inch MacBook Pro’s single redeemin...Inches to mm Conversion Inches Metric Inches Metric Inches Metric Inches Metric Fractional Decimal mm Fractional Decimal mm Fractional Decimal mm Fractional Decimal mm. 0.0039 0.1000 3/8 0.3750 9.5250 59/64 0.9219 23.4156 . 2.6378 67.0000. 0.0079 0.2000 25/64 0.3906 9.9219 . 0.9252 23.5000 . 2.6772 68.0000 That is often found when trying to match a screw size using Digital Calipers (Inch Decimal to Screw Size) or drill a hole (Screw size to Nearest Fraction) for your project. The second chart below is a US fraction to metric mm for the more c. Skip to content. 10% Off For Subscribers. New 10% off sale each month for our newsletter subscribers. ... 47.63 mm. …Jan 18, 2016 ... ✓ Convert Milimeter to Inch (mm to in) - Formula, Example, Convertion Factor. 111K views · 8 years ago #NEW ...more. How Convert. 79.8K.Calculatrice de conversion pouces en millimètres (pouces en mm) et comment convertir. RT. Accueil / Conversion / Conversion de longueur / pouces à mm ... 50,8 millimètre: 3 pouces: 76,2 millimètre: 4 pouces: 101,6 millimètre: 5 pouces: 127,0 millimètre: 6 pouces: 152,4 millimètre: sept "177,8 millimètre: 8 pouces: 203,2 millimètre:So, in order to find the answer simply multiply 3.8 inches by 25.4 and it will be converted into millimeters. How many millimeters are there in 3.8 inches? As we know 1 in = 25.4 mm, therefore, simply multiply 3.8 IN (inches) by 2.54 to convert it into millimeters. 3.8 in= 3.8 * 25.4 = 96.52 mm. So, there are 96.52 millimeters in 3.8 inches.Feb 16, 2021 ... 26K views · 8:57. Go to channel · Decimal inches, fractional inches ... Convert 3/4 of an Inch to Millimeters. MagnetsAndMotors (Dr. B's ...Quick conversion chart of inches to mm. 1 inches to mm = 25.4 mm. 2 inches to mm = 50.8 mm. 3 inches to mm = 76.2 mm. 4 inches to mm = 101.6 mm. 5 inches to mm = 127 mm. 6 inches to mm = 152.4 mm. 7 inches to mm …17 Apr 2015 ... Hi CommaToast, did you got any logic for conversion?. Please share it to me. – Harsha. Dec 3, 2019 at 6:28.To convert 3/8 inches from a fraction to a decimal, we simply divide the numerator 3 by the denominator 8 to get a decimal inch of 0.375 inches. Then, we need to understand that one inch is equal to 25.4 millimeters, so 0.375 inch multiply by 25.4, we can get the answer of decimal inch to millimeters. Example 3: Find the number of millimeters that are equal to 5 feet + 3 inches. Let’s find the number of inches by multiplying the number of feet by 12. Therefore, we have: 5×12=60. Adding the number of inches, we have: 60+3=63. Multiplying the number of inches by 25.4, we have: d (mm) = 63×25.4. d (mm) = 1600.2 mm. Feet+Inches to ... 3 inch to mm = 76.2 mm. 4 inch to mm = 101.6 mm. 5 inch to mm = 127 mm. 6 inch to mm = 152.4 mm. 7 inch to mm = 177.8 mm. 8 inch to mm = 203.2 mm. 9 inch to mm = 228.6 mm. 10 inch to mm = 254 mm. Want other units? You can do the reverse unit conversion from mm to inch, or enter any two units below: Enter two units to convert.Thread sizes for coarse and fine pitch thread were created using the standard sizes from ASME B1.13M. Coarse pitch threads are preferred and should be used whenever possible, as stated in ASME B1.13M. Use our bolt size chart to learn how to measure bolt size and the different dimensions of a bolt. Imperial and metric measurements included.Millimeter [mm] Inch [in] 0.01 mm: 0.0003937008 in: 0.1 mm: 0.0039370079 in: 1 mm: 0.0393700787 in: 2 mm: 0.0787401575 in: 3 mm: 0.1181102362 in: 5 mm: …SMS stands for Short Message Service and has a limit of 160 characters, while MMS stands for Multimedia Messaging Service and has no limit. MMS texts can also send media, such as p...Quick conversion chart of in to mm. 1 in to mm = 25.4 mm. 2 in to mm = 50.8 mm. 3 in to mm = 76.2 mm. 4 in to mm = 101.6 mm. 5 in to mm = 127 mm. 6 in to mm = 152.4 mm. …Jun 27, 2018 ... Number of Millimeters in an Inch. Part of the series: Number Help. Millimeters and inches are two similar but different methods of ...Convert 1 1/32" to mm: Find 1 1/32 and read to the right under mm column! You will find 26.1938. Example 2. Convert 0.875 decimal inches to inches (fraction form). Look down the decimal column until you find 0.875, then read to the left to find 7/8 inches or move to the right column to find the mm value! Practical fraction to decimal inches and ...Quick conversion chart of inches to mm. 1 inches to mm = 25.4 mm. 2 inches to mm = 50.8 mm. 3 inches to mm = 76.2 mm. 4 inches to mm = 101.6 mm. 5 inches to mm = 127 mm. 6 inches to mm = 152.4 mm. 7 inches to mm …Ensuring you have the right size gutter guard is important. We break down the best 6-inch gutter guards on the market. Expert Advice On Improving Your Home Videos Latest View All G...To convert 3/8 inches from a fraction to a decimal, we simply divide the numerator 3 by the denominator 8 to get a decimal inch of 0.375 inches. Then, we need to understand that one inch is equal to 25.4 millimeters, so 0.375 inch multiply by 25.4, we can get the answer of decimal inch to millimeters. Result as a Fraction. 3 inches. = 381⁄5 millimeters. = 76 and 1⁄5 millimeters. Usage of fractions is recommended when more precision is needed. If we want to calculate how many Millimeters are 3.8 Inches we have to multiply 3.8 by 127 and divide the product by 5. So for 3.8 we have: (3.8 × 127) ÷ 5 = 482.6 ÷ 5 = 96.52 Millimeters. So finally 3.8 in = 96.52 mm. Centimeter. Definition: A centimeter (symbol: cm) is a unit of length in the International System of Units (SI), the current form of the metric system. It is defined as 1/100 meters. History/origin: A centimeter is based on the SI unit meter, and as the prefix "centi" indicates, is equal to one hundredth of a meter. Metric prefixes range from factors of 10-18 to 10 18 …What's 3 3/8 inches in millimeters? To convert from inches to millimeters, multiply the value in inches by 25.4. So, 3 3/8 in = (3 3/8) × 25.4 = 85.7 mm (this result may be approximate).Convert 3/8 inch to mm using a simple calculator or a formula. Find the accuracy, starting value, and conversion table for different values of 3/8 inch to millimeters.Millimeters : The millimeter (SI symbol mm) is a unit of length in the metric system, equal to 1/1000 meter (or 1E-3 meter), which is also an engineering standard unit. 1 inch=25.4 mm. Distance and Length Conversion Calculator Inch to Millimeter Conversion Charts. Inch to Millimeter. Conversion Charts. Need to know what inch sizes your metric sockets or wrenches match up with? Or which metric sizes correspond with your standard inch tools?Borrowers applying for a 30-year fixed-rate mortgage can expect an average rate of 5.85% today. By clicking "TRY IT", I agree to receive newsletters and promotions from Money and i...Thread sizes for coarse and fine pitch thread were created using the standard sizes from ASME B1.13M. Coarse pitch threads are preferred and should be used whenever possible, as stated in ASME B1.13M. Use our bolt size chart to learn how to measure bolt size and the different dimensions of a bolt. Imperial and metric measurements included.Quick conversion chart of inches to mm. 1 inches to mm = 25.4 mm. 2 inches to mm = 50.8 mm. 3 inches to mm = 76.2 mm. 4 inches to mm = 101.6 mm. 5 inches to mm = 127 mm. 6 inches to mm = 152.4 mm. 7 inches to mm = 177.8 mm. 8 inches to mm = 203.2 mm. 9 inches to mm = 228.6 mm. 10 inches to mm = 254 mm How many millimeters in an inch? 1 inch (in) = 25.4 millimeter (mm) 1 millimeter (mm) = 0.0393700787 inch (in) mm in . Lengths Units Converter; Fractional Inches to Decimal Inches and Metric Millimeters. The table below can be used to convert between fractional and/or decimal inches and metric millimeters. Inches to mm Conversion table in pdf ... How to convert 3.8 inches to mm? The conversion factor from inches to mm is 25.4. To convert any value of inches to mm, multiply the inch value by the conversion factor. To convert 3.8 inches to mm, multiply 3.8 by 25.4, that makes 3.8 inches equal to 96.52 mm. 3.8 inches to mm formula. mm = inch value * 25.4. mm = 3.8 * 25.4. mm = 96.52 convert to mm. inches to mm conversion chart. inches (in) millimeters (mm) 22.9 in. 581.66 mm. 23.9 in. 607.06 mm. 24.9 in.Inch [in] is a unit of length in the Imperial and US customary system of units. It was historically conceived as the length of 3 barley-corns. Today, it is defined through the meter SI unit as: 1 in = 0.0254 m (= 2.54 cm = 25.4 mm). Multiple units of the inch are defined as shown in the table: Unit.That is often found when trying to match a screw size using Digital Calipers (Inch Decimal to Screw Size) or drill a hole (Screw size to Nearest Fraction) for your project. The second chart below is a US fraction to metric mm for the more c. ... 1.59 mm 1-3/8" 34.93 mm. 1/8"Don't think of it as a laptop replacement. I’m trying to write this review of the new 10.5-inch iPad Pro using only the iPad itself and Amtrak wifi. It’s a struggle, to say the lea...Then, we need to understand that one inch is equal to 25.4 millimeters, so 2.375 inch multiply by 25.4, we can get the answer of decimal inch to millimeters. The answer and the calculation process will be listed below to clearly show you how to convert 2 3/8 inch to mm. 2 3/8 in = 2 + 0.375 in = 2.375 in.What's 7 3/8 inches in millimeters? To convert from inches to millimeters, multiply the value in inches by 25.4. So, 7 3/8 in = (7 3/8) × 25.4 = 187 mm (this result may be approximate).Reading a ruler starts with understanding what all the ticks mean. The largest ticks on a ruler represent a full inch, and the distance between each large tick is 1″. The large ticks in between the inch markings are half-inch markings, and the distance between an inch tick and a half-inch tick is 1 ⁄ 2 “. The mid-sized ticks between the ...MM, CM & Inch. 1 centimeter (cm) = 10 millimeters (mm). ( convert cm to mm) 1 meter = 100 centimeters = 1,000 millimeters. ( convert meter to cm) 1 inch equals 2.54 centimeters (cm), 1 cm approximately equivalent to 3/8 inch or equals 0.393700787 inch.
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How to convert 3.8 inches to mm? The conversion factor from inches to mm is 25.4. To convert any value of inches to mm, multiply the inch value by the conversion factor. To convert 3.8 inches to mm, multiply 3.8 by 25.4, that makes 3.8 inches equal to 96.52 mm. 3.8 inches to mm formula. mm = inch value * 25.4. mm = 3.8 * 25.4.Whether you’re an architect, engineer, or simply someone who frequently works with measurements, having a reliable convert mm into inches chart can save you time and effort. Conver...Inches : An inch (symbol: in) is a unit of length. It is defined as 1⁄12 of a foot, also is 1⁄36 of a yard. Though traditional standards for the exact length of an inch have varied, it is equal to exactly 25.4 mm. The inch is a popularly used customary unit of length in the United States, Canada, and the United Kingdom.At its first virtual World Wide Developers Conference back in June, Apple unveiled a huge piece of news about the future of the Mac. After years of rumors, the company finally conf...Inches : An inch (symbol: in) is a unit of length. It is defined as 1⁄12 of a foot, also is 1⁄36 of a yard. Though traditional standards for the exact length of an inch have varied, it is equal to exactly 25.4 mm. The inch is a popularly used customary unit of length in the United States, Canada, and the United Kingdom.MM to inches converter. Easily convert millimeters to inches, with formula, conversion chart, auto conversion to common lengths, more. Like Us On Google+ Convert Inches to MM. Find additional conversions: MM to inches converter. millimeters (mm) inches (in) Swap == > 1 mm = 0.03937008 in ...Result as a Fraction. 3 inches. = 381⁄5 millimeters. = 76 and 1⁄5 millimeters.100 Inches to Millimeters = 2540: 5 Inches to Millimeters = 127: 200 Inches to Millimeters = 5080: 6 Inches to Millimeters = 152.4: 300 Inches to Millimeters = 7620: 7 Inches to Millimeters = 177.8: 400 Inches to Millimeters = 10160: 8 Inches to Millimeters = 203.2: 500 Inches to Millimeters = 12700: 9 Inches to Millimeters = 228.6: 600 Inches ...A measurement of 7 mm (millimeters) is about 0.27559 inches. This value is equal to 9/32 of an inch. If you have a ruler on hand, 7 mm is close to (but not exactly) 1/4 of an inch....To convert millimeters to inches, simply divide the length in millimeters by 25.4, as there are 25.4 millimeters in one inch. For example, let's say you have a length of 100 millimeters that you want to convert to inches. You would divide 100 by 25.4, which equals approximately 3.937 inches. Similarly, if you have a length of 50 millimeters ...For example, to convert 3 inches to mm, you can use the following formula: mm = in * 25.4. Simply multiply 3 by 25.4: mm = 3 * 25.4 = 76.2 mm. Therefore, 3 inches equal to 76.2 mm. Using this simple formula, you can easily convert inches to mm. inches to mm conversion formula: mm = in * 25.4.Task: Convert 24 inches to millimeters (show work) Formula: in x 25.4 = mm Calculations: 24 in x 25.4 = 609.6 mm Result: 24 inches is equal to 609.6 mm Conversion Table For quick reference purposes, below is a conversion table that you can use to convert from inches to mm. MM to inches converter. Easily convert millimeters to inches, with formula, conversion chart, auto conversion to common lengths, more Easily convert Inches to Centimeters, with formula, conversion chart, auto conversion to common lengths, more. Convert CM to Inches. Find additional conversions: Inches to cm (centimeters) converter. inches (in) centimeters (cm) Swap == > 1 in = 2.54 cm : 1 cm = 0.39370079 in: Algebraic Steps / Dimensional Analysis Formula. in * 2.54 cm 1 in = cm: …Our metric to inches calculator is pretty easy to use. Type the value in the metric unit of your preference. Our tool will indicate the inch value. Also, you can start typing the inch value. Metric values magically will appear. Lets see some examples: Convert in to mm: 1 / 4 i n c h = 0.25 i n. \footnotesize \rm {1/4 \ inch = 0.25 \ in} 1/4 ...MM to inches converter. Easily convert millimeters to inches, with formula, conversion chart, auto conversion to common lengths, more 0.8 inches is equal to about 20.3 millimeters. From a Percentage. 80% of a inch ≈ 20.3 millimeters. Result as a Fraction. 0.8 inches = 508 ... Inches : An inch (symbol: in) is a unit of length. It is defined as 1⁄12 of a foot, also is 1⁄36 of a yard. Though traditional standards for the exact length of an inch have varied, it is equal to exactly 25.4 mm. The inch is a popularly used customary unit of length in the United States, Canada, and the United Kingdom.What's 3/8 inch in millimeters? To convert from inches to millimeters, multiply the value in inches by 25.4. So, 3/8 in = (3/8) × 25.4 = 9.52 mm (this result may be approximate)..