How to convert Millimeters come Inches

The fastest and also easiest method to convert mm (millimeters) come inches is use this basic formula:

Since there room 25.4 millimeters in one inch<1>, the size in inch is same to millimeters split by 25.4.Thus, the formula to convert millimeters come inches is the length divided by 25.4.

You are watching: How many inches is 9.5 mm


How to transform mm come Fractional Inches

You"ve learned how to convert millimeters come inches, yet you could be wondering how to convert mm to fractional inches.

Start through the mm come inches conversion over to acquire the result in decimal kind first, then round to the nearest fountain inch.

Take the section of the decimal result to the right of the decimal suggest and multiply it through the level the precision friend want.You can choose to ring to the nearest 1/16, 1/32, or 1/64 of an inch.

To ring to the nearest 1/16, for example, take it the decimal section and main point it through 16.Then, round that result to acquire the molecule of the fractional customs measurement.

For example, transform 100 mm come fractional inches come 1/16" precision adhering to these steps.

Divide 100 through 25.4 to transform mm to inches.

100 mm ÷ 25.4 = 3.937 in

Then, multiply the decimal remainder through 16.

0.937 × 16 = 14.992

Round this to the nearest totality number; in this case, 14.992 have the right to be rounded to 15.Place this value in a portion over 16, therefore 15/16 is the remaining fraction.

Put that all together by put the entirety number in the decimal in front of the fraction.

100 mm ≈ 3 15/16"

Our inch fraction calculator can include millimeters and also inches together, and also it additionally automatically switch the outcomes to us customary, imperial, and also SI metric values.

Millimeters and also inches space both units supplied to measure length. Keep analysis to learn much more about every unit that measure.


What is a Millimeter?

One millimeter is same to one-thousandth (1/1,000) of a meter, i m sorry is characterized as the distance light travels in a vacuum in a 1/299,792,458 second time interval.

The millimeter, or millimetre, is a lot of of the meter, i beg your pardon is the SI base unit because that length. In the metric system, "milli" is the prefix because that 10-3. Millimeters deserve to be abbreviated together mm; because that example, 1 millimeter have the right to be composed as 1 mm.

Millimeters are frequently represented through the the smallest ticks on most metric rulers.To obtain a reference point of the size, the thickness that a united state dime is 1.35mm.<2>

What is an Inch?

An customs is a unit that linear length measure equal to 1/12 of a foot or 1/36 of a yard.Because the worldwide yard is legally identified to be equal to specifically 0.9144 meters, one customs is equal to 2.54 centimeters.<3>

The inch is a united state customary and also imperial unit of length. Inches have the right to be abbreviated as in; for example, 1 inch deserve to be written as 1 in.

Inches can additionally be denoted using the symbol, otherwise well-known as a double-prime.Often a double-quote (") is used instead of a double-prime for convenience.A double-prime is commonly used come express 1 in as 1″.


The standard ruler has 12", and is a typical measuring tool for measuring inches.They are additionally often measured using tape measures, which commonly come in lengths from 6" - 35".Other species of measuring gadgets include scales, calipers, measure up wheels, micrometers, yardsticks, and even lasers.

We recommend making use of a ruler or tape measure up for measure up length, which can be found at a local retailer or residence center.Rulers are accessible in imperial, metric, or mix with both values, for this reason make certain you acquire the correct kind for her needs.

See more: Paypal Shipping Address Different From Billing Address, Shopperplus

Need a ruler? try our cost-free downloadable and printable rulers, which include both imperial and metric measurements.

mm come Inches switch Chart

Chart that millimeter dimensions converted to inches and also fractional inch rounded come the nearest 1/64"MillimetersInches (decimal)Inches (fraction)
1 mm0.03937"3/64"
2 mm0.07874"5/64"
3 mm0.11811"1/8"
4 mm0.15748"5/32"
5 mm0.19685"13/64"
6 mm0.23622"15/64"
7 mm0.275591"9/32"
8 mm0.314961"5/16"
9 mm0.354331"23/64"
10 mm0.393701"25/64"
11 mm0.433071"7/16"
12 mm0.472441"15/32"
13 mm0.511811"33/64"
14 mm0.551181"35/64"
15 mm0.590551"19/32"
16 mm0.629921"5/8"
17 mm0.669291"43/64"
18 mm0.708661"45/64"
19 mm0.748031"3/4"
20 mm0.787402"25/32"
21 mm0.826772"53/64"
22 mm0.866142"55/64"
23 mm0.905512"29/32"
24 mm0.944882" 15/16"
25 mm0.984252"63/64"
26 mm1.0236"1 1/32"
27 mm1.063"1 1/16"
28 mm1.1024"1 7/64"
29 mm1.1417"1 9/64"
30 mm1.1811"1 3/16"
31 mm1.2205"1 7/32"
32 mm1.2598"1 17/64"
33 mm1.2992"1 19/64"
34 mm1.3386"1 11/32"
35 mm1.378"1 3/8"
36 mm1.4173"1 27/64"
37 mm1.4567"1 29/64"
38 mm1.4961"1 1/2"
39 mm1.5354"1 17/32"
40 mm1.5748"1 37/64"


National institute of Standards and Technology, SI devices - Length, claims Mint, Coin Specifications, academy of Standards and also Technology, check the Net contents of Packaged Goods, Handbook 133 - 2019 Edition,