Online Length Calculators

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Length Calculators

Here we discuss list of online weight Conversion calculators that help us for doing calculation easily.

1. Centimeters to Feet

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.

The centimeter, like the meter, is used in all sorts of applications worldwide (in countries that have undergone metrication) in instances where a smaller denomination of the meter is required. Height is commonly measured in centimeters outside of countries like the United States.

foot (symbol: ft) is a unit of length in the imperial and US customary systems of measurement. A foot was defined as exactly 0.3048 meters in 1959. One foot contains The foot is primarily used in the United States, Canada, and the United Kingdom for many everyday applications. In the US, feet and inches are commonly used to measure height, shorter distances, field length (sometimes in the form of yards), etc. Feet are also commonly used to measure altitude (aviation) as well as elevation (such as that of a mountain). The international foot corresponds to human feet with shoe size 13 (UK), 14 (US male), 15.5 (US female), or 46 (EU).

How to convert centimeters to feet

1 centimeter is equal to 0.0328084 feet:

1 cm = (1/30.48) ft = 0.0328084 ft

The distance d in feet (ft) is equal to the distance d in centimeters (cm) divided by 30.48:

d_(ft) = d_(cm) / 30.48

Example

Convert 20 centimeters to feet:

d_(ft) = 20cm / 30.48 = 0.65617ft

Centimeters to feet conversion table

Centimeters (cm)	Feet (ft)
0.01 cm	0.000328 ft
0.1 cm	0.003281 ft
1 cm	0.032808 ft
2 cm	0.065617 ft
3 cm	0.098425 ft
4 cm	0.131234 ft
5 cm	0.164042 ft
6 cm	0.196850 ft
7 cm	0.229659 ft
8 cm	0.262467 ft
9 cm	0.295276 ft
10 cm	0.328084 ft
20 cm	0.656168 ft
30 cm	0.984252 ft
40 cm	1.312336 ft
50 cm	1.640420 ft
60 cm	1.968504 ft
70 cm	2.296588 ft
80 cm	2.624672 ft
90 cm	2.952756 ft
100 cm	3.280840 ft

2. Centimeters to Inches

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.

The inch is mostly used in the United States, Canada, and the United Kingdom. It is also sometimes used in Japan (as well as other countries) in relation to electronic parts, like the size of display screens.

How to convert centimeters to inches

1 centimeter is equal to 0.3937007874 inches:

1cm = (1/2.54)″ = 0.3937007874″

The distance d in inches (″) is equal to the distance d in centimeters (cm) divided by 2.54:

d_(″) = d(cm) / 2.54

Example

Convert 20 cm to inches:

d_(″) = 20cm / 2.54 = 7.874″

Centimeters to inches conversion table

The fraction inches are rounded to 1/64 resolution.

Centimeters (cm)	Inches (")(decimal)	Inches (")(fraction)
0.01 cm	0.0039 in	0 in
0.1 cm	0.0394 in	3/64 in
1 cm	0.3937 in	25/64 in
2 cm	0.7874 in	25/32 in
3 cm	1.1811 in	1 3/16 in
4 cm	1.5748 in	1 37/64 in
5 cm	1.9685 in	1 31/32 in
6 cm	2.3622 in	2 23/64 in
7 cm	2.7559 in	2 3/4 in
8 cm	3.1496 in	3 5/32 in
9 cm	3.5433 in	3 35/64 in
10 cm	3.9370 in	3 15/16 in
20 cm	7.8740 in	7 7/8 in
30 cm	11.8110 in	11 13/16 in
40 cm	15.7840 in	15 3/4 in
50 cm	19.6850 in	19 11/16 in
60 cm	23.6220 in	23 5/8 in
70 cm	27.5591 in	27 9/16 in
80 cm	31.4961 in	31 1/2 in
90 cm	35.4331 in	35 7/16 in
100 cm	39.3701 in	39 3/8 in

3. Centimeters to Millimeters

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. The centimeter, like the meter, is used in all sorts of applications worldwide (in countries that have undergone metrication) in instances where a smaller denomination of the meter is required. Height is commonly measured in centimeters outside of countries like the United States.

A millimeter (symbol: mm) is a unit of length in the International System of Units (SI). One millimeter is equal to one-thousandth (1/1,000) of a meter, which is defined as the distance light travels in a vacuum in a 1/299,792,458 second time interval.

The millimeter, or millimetre, is a multiple of the meter, which is the SI base unit for length. In the metric system, "milli" is the prefix for 10^-3. Millimeters can be abbreviated as mm; for example, 1 millimeter can be written as 1 mm.

How to convert centimetes to millimeters

1 centimeter is equal to 10 millimeters:

1 cm = 10 mm

The distance d in millimeters (mm) is equal to the distance d in centimeters (cm) times 10:

d_(mm) = d_(cm) × 10

Example

Convert 20 cm to millimeters:

d_(mm) = 20cm × 10 = 200mm

Centimeters to millimeters conversion table

Centimeters (cm)	Millimeters (")
0.01 cm	0.1 mm
0.1 cm	1 mm
1 cm	10 mm
2 cm	20 mm
3 cm	30 mm
4 cm	40 mm
5 cm	50 mm
6 cm	60 mm
7 cm	70 mm
8 cm	80 mm
9 cm	90 mm
10 cm	100 mm
20 cm	200 mm
30 cm	300 mm
40 cm	400 mm
50 cm	500 mm
60 cm	600 mm
70 cm	700 mm
80 cm	800 mm
90 cm	900 mm
100 cm	1000 mm

4. Feet to cm

The foot is a unit of linear length measure equal to 12 inches or 1/3 of a yard. Because the international yard is legally defined to be equal to exactly 0.9144 meters, one foot is equal to 0.3048 meters. The foot is a US customary and imperial unit of length. Feet can be abbreviated as ft; for example, 1 foot can be written as 1 ft.

Feet can also be denoted using the ′ symbol, otherwise known as a prime, though a single-quote (') is often used instead of the prime symbol for convenience. Using the prime symbol, 1 ft can be written as 1′.

The foot is most commonly measured using either a standard 12" ruler or a tape measure, though there are many other measuring devices available. Feet are sometimes referred to as linear feet, which are simply the measurement of length in feet.

How to convert feet to centimeters

1 foot is equal to 30.48 centimeters:

1 ft = 30.48 cm

The distance d in centimeters (cm) is equal to the distance d in feet (ft) times 30.48:

d_(cm) = d_(ft) × 30.48

Example

Convert 2 feet to centimeters:

d_(cm) = 2ft × 30.48 = 60.96cm

Feet to centimeters conversion table

Feet (ft)	Centimeters (cm)
0.01 ft	0.305 cm
0.1 ft	3.05 cm
1 ft	30.48 cm
2 ft	60.96 cm
3 ft	91.44 cm
4 ft	121.92 cm
5 ft	152.40 cm
6 ft	182.88 cm
7 ft	213.36 cm
8 ft	243.84 cm
9 ft	274.32 cm
10 ft	304.80 cm
20 ft	609.60 cm
30 ft	914.40 cm
40 ft	1219.20 cm
50 ft	1524.00 cm
60 ft	1828.80 cm
70 ft	2133.60 cm
80 ft	2438.40 cm
90 ft	2743.20 cm
100 ft	3048.00 cm

5. Feet to Inches

An inch (symbol: in) is a unit of length in the imperial and US customary systems of measurement. 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.The inch is mostly used in the United States, Canada, and the United Kingdom. It is also sometimes used in Japan (as well as other countries) in relation to electronic parts, like the size of display screens.

How to convert feet to inches

1 foot is equal to 12 inches:

1ft = 12″

The distance d in inches (″) is equal to the distance d in feet (ft) times 12:

d_(″) = d_(ft) × 12

Example

Convert 2 feet to inches:

d_(″) = 2ft × 12 = 24″

Feet to inches conversion table

Feet (ft)	Inches (")
0.01 ft	0.12 ″
0.1 ft	1.2 ″
0.2 ft	2.4 ″
0.3 ft	3.6 ″
0.4 ft	4.8 ″
0.5 ft	6.0 ″
0.6 ft	7.2 ″
0.7 ft	8.4 ″
0.8 ft	9.6 ″
0.9 ft	10.8 ″
1 ft	12 ″
2 ft	24 ″
3 ft	36 ″
4 ft	48 ″
5 ft	60 ″
6 ft	72 ″
7 ft	84 ″
8 ft	96 ″
9 ft	108 ″
10 ft	120 ″
100 ft	1200 ″

6. Feet to Meters

A foot (symbol: ft) is a unit of length in the imperial and US customary systems of measurement. A foot was defined as exactly 0.3048 meters in 1959. One foot contains 12 inches, and one yard is comprised of three feet.The foot is primarily used in the United States, Canada, and the United Kingdom for many everyday applications. In the US, feet and inches are commonly used to measure height, shorter distances, field length (sometimes in the form of yards), etc. Feet are also commonly used to measure altitude (aviation) as well as elevation (such as that of a mountain). The international foot corresponds to human feet with shoe size 13 (UK), 14 (US male), 15.5 (US female), or 46 (EU).

A meter, or metre (symbol: m), is the base unit of length and distance in the International System of Units (SI). The meter is defined as the distance traveled by light in 1/299 792 458 of a second. This definition was slightly modified in 2019 to reflect changes in the definition of the second.Being the SI unit of length, the meter is used worldwide in many applications such as measuring distance, height, length, width, etc. The United States is one notable exception in that it largely uses US customary units such as yards, inches, feet, and miles instead of meters in everyday use.

How to convert feet to meters

1 foot is equal to 0.3048 meters:

1 ft = 0.3048 m

The distance d in meters (m) is equal to the distance d in feet (ft) times 0.3048:

d_(m) = d_(ft) × 0.3048

Example

Convert 2 feet to meters:

d_(m) = 2ft × 0.3048 = 0.6096m

Feet to meters conversion table

Feet (ft)	Meters (m)
0.01 ft	0.0030 m
0.1 ft	0.0305 m
1 ft	0.3048 m
2 ft	0.6096 m
3 ft	0.9144 m
4 ft	1.2192 m
5 ft	1.5240 m
6 ft	1.8288 m
7 ft	2.1336 m
8 ft	2.4384 m
9 ft	2.7432 m
10 ft	3.0480 m
20 ft	6.0960 m
30 ft	9.1440 m
40 ft	12.1920 m
50 ft	15.2400 m
60 ft	18.2880 m
70 ft	21.3360 m
80 ft	24.3840 m
90 ft	27.4320 m
100 ft	30.4800 m

7. Feet to Millimeters

How to convert feet to millimeters

1 foot is equal to 304.8 millimeters:

1 ft = 304.8 mm

The distance d in millimeters (mm) is equal to the distance d in feet (ft) times 304.8:

d_(mm) = d_(ft) × 304.8

Example

Convert 2 feet to millimeters:

d_(mm) = 2ft × 304.8 = 609.6mm

Feet to millimeters conversion table

Feet (ft)	Millimeters (mm)
0.01 ft	3.05 mm
0.1 ft	30.5 mm
1 ft	304.8 mm
2 ft	609.6 mm
3 ft	914.4 mm
4 ft	1219.2 mm
5 ft	1524.0 mm
6 ft	1828.8 mm
7 ft	2133.6 mm
8 ft	2438.4 mm
9 ft	2743.2 mm
10 ft	3048.0 mm
20 ft	6096.0 mm
30 ft	9144.0 mm
40 ft	12192.0 mm
50 ft	15240.0 mm
60 ft	18288.0 mm
70 ft	21336.0 mm
80 ft	24384.0 mm
90 ft	27432.0 mm
100 ft	30480.0 mm

8. Height Converter

This conversion tool helps you convert height measurements between US units and metric units and convert heights between Imperial and metric units, convert feet and inches to centimeters or centimeters to feet and inches.

Height conversion formula

We use the following conversion identities to convert height between metric and imperial units:

1 meter = 100 centimeters

1 foot = 12 inches

1 meter = 3.28084 feet

and,

1 ft = 30.48 cm

1 in = 2.54 cm

Height conversion

Feet to Inches conversion

One feet is equal to 12 inches:

1ft = 12″

Inches to centimeters conversion

One inch is equal to 2.54 centimeters:

1″ = 2.54cm

Centimeters to meters conversion

One centimeter is equal to 0.01 meter:

1cm = 0.01m

One meter is equal to 100 centimeters:

1m = 100cm

9. Inches to Centimeters

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.

How to convert inches to centimeters

1 inch is equal to 2.54 centimeters:

1″ = 2.54cm

The distance d in centimeters (cm) is equal to the distance d in inches (″) times 2.54:

d_(cm) = d_(inch) × 2.54

Example

Convert 20 inches to centimeters:

d_{(cm) = 20″ × 2.54 = 50.8cm}

Inches to centimeters conversion table

Inches (")	Centimeters (cm)
0.01 in	0.0254000 cm
1/64 in	0.0396875 cm
1/32 in	0.0793750 cm
1/16 in	0.15875 cm
0.1 in	0.2540 cm
1/8 in	0.3175 cm
1/4 in	0.635 cm
1/2 in	1.27 cm
1 in	2.54 cm
2 in	5.08 cm
3 in	7.62 cm
4 in	10.16 cm
5 in	12.70 cm
6 in	15.24 cm
7 in	17.78 cm
8 in	20.32 cm
9 in	22.86 cm
10 in	25.40 cm
20 in	50.80 cm
30 in	76.20 cm
40 in	101.60 cm
50 in	127.00 cm
60 in	152.40 cm
70 in	177.80 cm
80 in	203.20 cm
90 in	228.60 cm
100 in	254.00 cm

10. Inches to Meters

An inch (symbol: in) is a unit of length in the imperial and US customary systems of measurement. 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. The inch is mostly used in the United States, Canada, and the United Kingdom. It is also sometimes used in Japan (as well as other countries) in relation to electronic parts, like the size of display screens.

How to convert inches to meters

1 inch is equal to 0.0254 meters:

1″ = 0.0254m

The distance d in meters (m) is equal to the distance d in inches (″) times 0.0254:

d_(m) = d_(″) × 0.0254

Example

Convert 20 inches to meters:

d_(m) = 20″ × 0.0254 = 0.508m

Inches to meters conversion table

Inches (")	Meters (m)
0.01 ″	0.000254000 m
1/64 ″	0.000396875 m
1/32 ″	0.000793750 m
1/16 ″	0.001587500 m
0.1 ″	0.002540000 m
1/8 ″	0.003175 m
1/4 ″	0.00635 m
1/2 ″	0.0127 m
1 ″	0.0254 m
2 ″	0.0508 m
3 ″	0.0762 m
4 ″	0.1016 m
5 ″	0.1270 m
6 ″	0.1524 m
7 ″	0.1778 m
8 ″	0.2032 m
9 ″	0.2286 m
10 ″	0.2540 m
20 ″	0.5080 m
30 ″	0.7620 m
40 ″	1.0160 m
50 ″	1.2700 m
60 ″	1.5240 m
70 ″	1.7780 m
80 ″	2.0320 m
90 ″	2.2860 m
100 ″	2.5400 m

11. Inches to Millimeters

How to convert inches to millimeters

1 inch is equal to 25.4 millimeters:

1″ = 25.4mm

The distance d in millimeters (mm) is equal to the distance d in inches (″) times 25.4:

d_(mm) = d_(″) × 25.4

Example

Convert 20 inches to millimeters:

d_(mm) = 20″ × 25.4 = 508mm

Inches to millimeters conversion table

Inches (")	Millimeters (mm)
0.01 ″	0.254000 mm
1/64 ″	0.396875 mm
1/32 ″	0.793750 mm
1/16 ″	1.587500 mm
0.1 ″	2.540000 mm
1/8 ″	3.175 mm
1/4 ″	6.35 mm
1/2 ″	12.7 mm
1 ″	25.4 mm
2 ″	50.8 mm
3 ″	76.2 mm
4 ″	101.6 mm
5 ″	127.0 mm
6 ″	152.4 mm
7 ″	177.8 mm
8 ″	203.2 mm
9 ″	228.6 mm
10 ″	254.0 mm
20 ″	508.0 mm
30 ″	762.0 mm
40 ″	1016.0 mm
50 ″	1270.0 mm
60 ″	1524.0 mm
70 ″	1778.0 mm
80 ″	2032.0 mm
90 ″	2286.0 mm
100 ″	2540.0 mm

12. Kilometers to Miles

A kilometer (symbol: km) is a unit of length in the International System of Units (SI). One kilometer is equivalent to 0.6214 miles.

It is currently the official unit of measurement for expressing distances between geographical places on land in most of the world. However, there still remain a number of countries that primarily use the mile instead of the kilometer including the United States and the United Kingdom (UK). Unlike the United States, the UK has adopted the metric system; while the metric system is widely used in government, commerce, and industry, remnants of the imperial system can still be seen in the UK's use of miles in its road systems.

A mile (symbol: mi or m) is a unit of length in the imperial and US customary systems of measurement. It is currently defined as 5,280 feet, 1,760 yards, or exactly 1,609.344 meters.

Although most countries have adopted the metric system and use kilometers, rather than miles, to express land distance, the mile is still prevalently used in countries such as the United States (US), United Kingdom (UK), Myanmar, and Liberia, as well as some other countries which are either US or UK territories, or have historical ties with either country.

How to convert kilometers to miles

1 kilometer is equal to 0.62137119 miles:

1 km = (1/1.609344) mi = 0.62137119 mi

The distance d in miles (mi) is equal to the distance d in kilometers (km) divided by 1.609344:

d_(mi) = d_(km) / 1.609344

Example

Convert 20 kilometers to miles:

d_(mi) = 20km / 1.609344 = 12.4274mi

Kilometers to miles conversion table

Kilometers (km)	Miles (mi)
0.01 km	0.0062 mi
0.1 km	0.0621 mi
1 km	0.6214 mi
2 km	1.2427 mi
3 km	1.8641 mi
4 km	2.4855 mi
5 km	3.1069 mi
6 km	3.7282 mi
7 km	4.3496 mi
8 km	4.9710 mi
9 km	5.5923 mi
10 km	6.2137 mi
20 km	12.4274 mi
30 km	18.6411 mi
40 km	24.8548 mi
50 km	31.0686 mi
60 km	37.2823 mi
70 km	43.4960 mi
80 km	49.7097 mi
90 km	55.9234 mi
100 km	62.1371 mi

13. Meters to Feets

How to convert meters to feet

1 meter is equal to 3.28084 feet:

1 m = (1/0.3048) ft = 3.28084 ft

The distance d in feet (ft) is equal to the distance d in meters (m) divided by 0.3048:

d_(ft) = d_(m) / 0.3048

Example

Convert 2 meters to feet:

d_(ft) = 2m / 0.3048 = 6.5617ft

Meters to feet conversion table

Meters (m)	Feet (ft)
0.01 m	0.0328 ft
0.1 m	0.3281 ft
1 m	3.2808 ft
2 m	6.5617 ft
3 m	9.8425 ft
4 m	13.1234 ft
5 m	16.4042 ft
6 m	19.6850 ft
7 m	22.9659 ft
8 m	26.2467 ft
9 m	29.5276 ft
10 m	32.8084 ft
20 m	65.6168 ft
30 m	98.4252 ft
40 m	131.2336 ft
50 m	164.0420 ft
60 m	196.8504 ft
70 m	229.6588 ft
80 m	262.4672 ft
90 m	295.2756 ft
100 m	328.0840 ft

14. Meters to Inches

An inch (symbol: in) is a unit of length in the imperial and US customary systems of measurement. 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. The inch is mostly used in the United States, Canada, and the United Kingdom. It is also sometimes used in Japan (as well as other countries) in relation to electronic parts, like the size of display screens.

How to convert meters to inches

1 meter is equal to 39.37007874 inches:

1m = (1/0.0254)″ = 39.37007874″

The distance d in inches (″) is equal to the distance d in meters (m) divided by 0.0254:

d_(″) = d_(m) / 0.0254

Example

Convert 0.2 meters to inches:

d_(″) = 0.2m / 0.0254 = 7.874″

Meters to inches conversion table

Meters (m)	Inches (")
0.01 m	0.39 ″
0.1 m	3.94 ″
1 m	39.37 ″
2 m	78.74 ″
3 m	118.11 ″
4 m	157.48 ″
5 m	196.85 ″
6 m	236.22 ″
7 m	275.59 ″
8 m	314.96 ″
9 m	354.33 ″
10 m	393.70 ″
20 m	787.40 ″
30 m	1181.10 ″
40 m	1578.40 ″
50 m	1968.50 ″
60 m	2362.20 ″
70 m	2755.91 ″
80 m	3149.61 ″
90 m	3543.31 ″
100 m	3937.01 ″

15. Miles to Kilometers

A mile (symbol: mi or m) is a unit of length in the imperial and US customary systems of measurement. It is currently defined as 5,280 feet, 1,760 yards, or exactly 1,609.344 meters.

A kilometer (symbol: km) is a unit of length in the International System of Units (SI). One kilometer is equivalent to 0.6214 miles.

How to convert miles to kilometers

1 mile is equal to 1.609344 kilometers:

1 mi = 1.609344 km

The distance d in kilometers (km) is equal to the distance d in miles (mi) times 1.609344:

d_(km) = d_(mi) × 1.609344

Example

Convert 20 miles to kilometers:

d_(km) = 20mi × 1.609344 = 32.18688km

Miles to kilometers conversion table

Miles (mi)	Kilometers (km)
0.01 mi	0.016093 km
0.1 mi	0.16093 km
1 mi	1.6093 km
2 mi	3.2187 km
3 mi	4.8280 km
4 mi	6.4374 km
5 mi	8.0467 km
6 mi	9.6561 km
7 mi	11.2654 km
8 mi	12.8748 km
9 mi	14.4841 km
10 mi	16.0934 km
20 mi	32.1869 km
30 mi	48.2803 km
40 mi	64.3738 km
50 mi	80.4672 km
60 mi	96.5606 km
70 mi	112.6541 km
80 mi	128.7475 km
90 mi	144.8410 km
100 mi	160.9344 km

16. Millimeters to Centimeters

How to convert millimeters to centimetes

1 mm is equal to 0.1 centimeters:

1 mm = 0.1 cm

The distance d in centimeters (cm) is equal to the distance d in millimeters (mm) divided by 10:

d_(cm) = d_(mm) / 10

Example

Convert 20 millimeters to centimeters:

d_(cm) = 20mm / 10 = 2cm

Millimeters to centimeters conversion table

Millimeters (mm)	Centimeters (cm)
0.01 mm	0.001 cm
0.1 mm	0.01 cm
1 mm	0.1 cm
2 mm	0.2 cm
3 mm	0.3 cm
4 mm	0.4 cm
5 mm	0.5 cm
6 mm	0.6 cm
7 mm	0.7 cm
8 mm	0.8 cm
9 mm	0.9 cm
10 mm	1 cm
20 mm	2 cm
30 mm	3 cm
40 mm	4 cm
50 mm	5 cm
60 mm	6 cm
70 mm	7 cm
80 mm	8 cm
90 mm	9 cm
100 mm	10 cm

17. Millimeters to Feet

How to convert millimeters to feet

1 millimeter is equal to 0.00328084 feet:

1 mm = (1/304.8) ft = 0.00328084 ft

The distance d in feet (ft) is equal to the distance d in millimeters (mm) divided by 304.8:

d(ft) = d(mm) / 304.8

Example

Convert 20 millimeters to feet:

d(ft) = 20mm / 304.8 = 0.065617ft

Millimeters to feet conversion table

Millimeters (mm)	Feet (ft)
0.01 mm	0.0000328 ft
0.1 mm	0.0003281 ft
1 mm	0.0032808 ft
2 mm	0.0065617 ft
3 mm	0.0098425 ft
4 mm	0.0131234 ft
5 mm	0.0164042 ft
6 mm	0.0196850 ft
7 mm	0.0229659 ft
8 mm	0.0262467 ft
9 mm	0.0295276 ft
10 mm	0.0328084 ft
20 mm	0.0656168 ft
30 mm	0.0984252 ft
40 mm	0.1312336 ft
50 mm	0.1640420 ft
60 mm	0.1968504 ft
70 mm	0.2296588 ft
80 mm	0.2624672 ft
90 mm	0.2952756 ft
100 mm	0.3280840 ft

18. Millimeters to Inches

How to convert millimeters to inches

1 millimeter is equal to 0.03937007874 inches:

1mm = (1/25.4)″ = 0.03937007874″

The distance d in inches (″) is equal to the distance d in millimeters (mm) divided by 25.4:

.d(″) = d(mm) / 25.4

Example

Convert 20 mm to inches:

d(″) = 20mm / 25.4 = 0.7874″

Millimeters to inches conversion table

The fraction inches are rounded to 1/64 resolution.

Millimeters (mm)	Inches (")(decimal)	Inches (")(fraction)
0.01 mm	0.0004 ″	0 ″
0.1 mm	0.0039 ″	0 ″
1 mm	0.0394 ″	3/64 ″
2 mm	0.0787 ″	5/64 ″
3 mm	0.1181 ″	1/8 ″
4 mm	0.1575 ″	5/32 ″
5 mm	0.1969 ″	13/64 ″
6 mm	0.2362 ″	15/64 ″
7 mm	0.2756 ″	9/32 ″
8 mm	0.3150 ″	5/16 ″
9 mm	0.3543 ″	23/64 ″
10 mm	0.3937 ″	25/64 ″
20 mm	0.7874 ″	25/32 ″
30 mm	1.1811 ″	1 3/16 ″
40 mm	1.5784 ″	1 37/64 ″
50 mm	1.9685 ″	1 31/32 ″
60 mm	2.3622 ″	2 23/64 ″
70 mm	2.7559 ″	2 3/4 ″
80 mm	3.1496 ″	3 5/32 ″
90 mm	3.5433 ″	3 35/64 ″
100 mm	3.9370 ″	3 15/16 ″