Milimeter to inches conversion chart
Refer to this chart when the measurements are noted in milimeters. Smaller items are usually measured in milimeters as it is a more accurate measurement.
MM | Approximate Size In Inches | Exact Size In Inches |
1mm | 1/25 Inch | 0.03937 Inches |
2mm | 1/16 Inch | 0.07874 Inches |
3mm | 3/32 Inch | 0.11811 Inches |
4mm | 1/8 Inch | 0.15748 Inches |
5mm | 3/16 Inch | 0.19685 Inches |
6mm | Just short of 1/4 Inch | 0.23622 Inches |
7mm | Little over 1/4 Inch | 0.27559 Inches |
8mm | 5/16 Inch | 0.31496 Inches |
9mm | Just short of 3/8 Inch | 0.35433 Inches |
10mm | Little over 3/8 Inch | 0.39370 Inches |
11mm | 7/16 Inch | 0.43307 Inches |
12mm | Just short of 1/2 Inch | 0.47244 Inches |
13mm | Little over 1/2 Inch | 0.51181 Inches |
14mm | 9/16 Inch | 0.55118 Inches |
15mm | Just short of 5/8 Inch | 0.59055 Inches |
16mm | 5/8 Inch | 0.62992 Inches |
17mm | Just short of 11/16 Inch | 0.66929 Inches |
18mm | Just short of 3/4 Inch | 0.70866 Inches |
19mm | Little under 3/4 Inch | 0.74803 Inches |
20mm | Just short of 13/16 Inch | 0.78740 Inches |
21mm | Little over 13/16 Inch | 0.82677 Inches |
22mm | Just short of 7/8 Inch | 0.86614 Inches |
23mm | Little over 7/8 Inch | 0.90551 Inches |
24mm | 15/16 Inch | 0.94488 Inches |
25mm | 1 Inch | 0.98425 Inches |
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This is an online length converter, convert millimeters(mm) to inches, centimeters(cm) to inches, inches to cm, inches to mm, include fraction and decimal inches, with a ruler to show the corresponding of units, understand your question with the best visualization.
How to use this tool
- To convert MM to fractional inch, fill number into the blank MM, e.g. 16 mm ≈ 5/8 inch
- To convert CM to fractional inch, fill number into the blank CM, e.g. 8 cm ≈ 3 1/8", use smaller scale(1/32"), 8 cm ≈ 3 5/32"
- Use 1/8" graduations, 10cm ≈ 4" ; Use 1/16" graduations, 10cm = 3 15/16" ;
- To convert fractional inch to mm or cm, fill fraction into the blank Fractional inch, e.g. 2 1/2" = 2.5"
- To convert decimal inch to fractional inch, fill decimal inch into the blank Decimal inch. e.g. 3.25" = 3 1/4"
Adjusting this virtual ruler to actual size
The diagonal screen is 15.6"(inches) of my laptop computer, resolution is 1366x768 pixels. I google the PPI reference and found 100 PPI to my screen, after i measure the size of virtual ruler by a actual ruler, i found the markings are not very accurate at 30cm, so i set the default pixels per inch(PPI) is 100.7 for myself.
If you would like measure the length of something, we have an online actual size ruler, welcom to try it.
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
Fractional inches to cm & mm conversion table
Inches | CM | MM |
1/2" | 1.27 | 12.7 |
1/4" | 0.64 | 6.4 |
3/4" | 1.91 | 19 |
1/8" | 0.32 | 3.2 |
3/8" | 0.95 | 9.5 |
5/8" | 1.59 | 15.9 |
7/8" | 2.22 | 22.2 |
1/16" | 0.16 | 1.6 |
3/16" | 0.48 | 4.8 |
5/16" | 0.79 | 7.9 |
7/16" | 1.11 | 11.1 |
Inches | CM | MM |
9/16" | 1.43 | 14.3 |
11/16" | 1.75 | 17.5 |
13/16" | 2.06 | 20.6 |
15/16" | 2.38 | 23.8 |
1/32" | 0.08 | 0.8 |
3/32" | 0.24 | 2.4 |
5/32" | 0.4 | 4 |
7/32" | 0.56 | 5.6 |
9/32" | 0.71 | 7.1 |
11/32" | 0.87 | 8.7 |
13/32" | 1.03 | 10.3 |
Inches | CM | MM |
15/32" | 1.19 | 11.9 |
17/32" | 1.35 | 13.5 |
19/32" | 1.51 | 15.1 |
21/32" | 1.67 | 16.7 |
23/32" | 1.83 | 18.3 |
25/32" | 1.98 | 19.8 |
27/32" | 2.14 | 21.4 |
29/32" | 2.3 | 23 |
31/32" | 2.46 | 24.6 |
Fractional Ruler
There are two types of scales commonly used on rulers; Fractional and Decimal. Fractional Rulers have graduations or marks based on fractions, for example 1/2", 1/4" 1/8", 1/16", etc.. Decimal Rulers have graduations or marks which are based on the decimal system such as 0.5, 0.25, 0.1, 0.05, etc.. Most Fractional Rulers are based on the English measuring system where scales are graduated in units of one inch and fractions of an inch.
Fraction To Decimal
If you would like convert fraction to decimal, or convert decimal to fracion, try this fraction/decimal converter
Length Unit Converters
- Height conversion
Find out your body height in centimetres, or in feet/inches, what is 5'7" inches in cm ?
- Convert meters to feet
If you would like convert between meters, feet and inches (m, ft and in), eg. 2.5 meters is how many feet ? 6' 2" is how tall in meter ? try this meters and feet converter, with our fantastic virtual scale ruler, you will find the answer soon.
- Convert feet to cm
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Convert mm to feet - Convert yards to meters
How long is 100 yards in meters ? How long is 3 meters in yards ? If you got confused with meters and yards, try the yards & meter converter, the virtual scale ruler can help us understanding this easily.
- Convert cm to mm
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Convert meters to cm
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- Convert inches to feet
convert inches to feet (in = ft), or feet to inches, imperial units conversion.
Convert feet to millimeters or millimeters to feet. 8 3/4 feet is how many mm ? 1200 mm is how many feet ?
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MM, CM to inches conversion table
MM | CM | Approximate Fractional Inches | Decimal Inches |
1 mm | 0.1 cm | 1/25 Inch | 0.03937 Inches |
2 mm | 0.2 cm | 1/16 Inch | 0.07874 Inches |
3 mm | 0.3 cm | 3/32 Inch | 0.11811 Inches |
4 mm | 0.4 cm | 1/8 Inch | 0.15748 Inches |
5 mm | 0.5 cm | 3/16 Inch | 0.19685 Inches |
6 mm | 0.6 cm | Just short of 1/4 Inch | 0.23622 Inches |
7 mm | 0.7 cm | Little over 1/4 Inch | 0.27559 Inches |
8 mm | 0.8 cm | 5/16 Inch | 0.31496 Inches |
9 mm | 0.9 cm | Just short of 3/8 Inch | 0.35433 Inches |
10 mm | 1.0 cm | Little over 3/8 Inch | 0.39370 Inches |
11 mm | 1.1 cm | 7/16 Inch | 0.43307 Inches |
12 mm | 1.2 cm | Just short of 1/2 Inch | 0.47244 Inches |
13 mm | 1.3 cm | Little over 1/2 Inch | 0.51181 Inches |
14 mm | 1.4 cm | 9/16 Inch | 0.55118 Inches |
15 mm | 1.5 cm | Just short of 5/8 Inch | 0.59055 Inches |
16 mm | 1.6 cm | 5/8 Inch | 0.62992 Inches |
17 mm | 1.7 cm | Just short of 11/16 Inch | 0.66929 Inches |
18 mm | 1.8 cm | Just short of 3/4 Inch | 0.70866 Inches |
19 mm | 1.9 cm | Little under 3/4 Inch | 0.74803 Inches |
20 mm | 2.0 cm | Just short of 13/16 Inch | 0.78740 Inches |
21 mm | 2.1 cm | Little over 13/16 Inch | 0.82677 Inches |
22 mm | 2.2 cm | Just short of 7/8 Inch | 0.86614 Inches |
23 mm | 2.3 cm | Little over 7/8 Inch | 0.90551 Inches |
24 mm | 2.4 cm | 15/16 Inch | 0.94488 Inches |
25 mm | 2.5 cm | 1 Inch | 0.98425 Inches |
Area Converter
- Square feet(ft²) to square meters(m²)
- Square meters(m²) to square yards(yd²)
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Is 5mm and 3/16 the same?
How many mm means 1/2 inch?
How many inches are there in 5mm?
MM | Approximate Size In Inches | Exact Size In Inches |
5mm | 3/16 Inch | 0.19685 Inches |
6mm | Just short of 1/4 Inch | 0.23622 Inches |
7mm | Little over 1/4 Inch | 0.27559 Inches |
8mm | 5/16 Inch | 0.31496 Inches |