Length Unit Converter

By Anowar

Reviewed by Jasmine

Use this converter to convert between units of length. For example, you can use centimeters, inches, meters, kilometers, feet, yards, miles, etc.

Result will appear here

Conversion Formula

1 Meter to Centimeters

1 m = 100 cm

Multiply by 100
1 Kilometer to Meters

1 km = 1000 m

Multiply by 1000
1 Inch to Centimeter

1 inch = 2.54 cm

Multiply by 2.54
1 Centimeter to Inch

1 cm = 0.393701 in

Multiply by 0.393701
1 Kilometer to Miles

1 km = 1.242745 mi

Multiply by 1.242745
1 Mile to Feet

1 mi = 5279.986877 ft

Multiply by 5279.986877
1 Kilometer to Yard

1 km = 1093.613298 yd

Multiply by 1.093613
1 Mile to Yard

1 mi = 1759.995626 yd

Multiply by 1759.995626
1 Mile to Inches

1 mi = 63359.842520 in

Multiply by 63359.842520
1 Micrometer to Nanometer

1 micro = 1000.000000 nm

Multiply by 1000.000000
1 Kilometer to Inches

1 km = 39370.078740 in

Multiply by 39370.078740
1 Inch to Millimeter

1 inch = 25.400000 mm

Multiply by 25.400000

About Length Units

We have mention about all length units in the section below:

  • Millimeter (mm): A millimeter is a metric unit of length equal to one-thousandth of a meter (0.001 m). It is used in engineering, machining, and everyday measurements, such as screws, bolts, or machine parts. There are 10 millimeters in a centimeter.
  • Centimeter (cm): The centimeter is a metric unit of length equal to one-hundredth of a meter (0.01 m). It is also used to measure everyday objects, such as furniture, books, or short distances.
  • Meter (m): The meter is the base unit of length in the International System of Units (SI). It is equal to 100 centimeters or 1,000 millimeters. It is used in science, engineering, and daily life to measure distances, heights, and lengths, such as rooms, streets, and many others.
  • Kilometer (km): A kilometer is equal to 1,000 meters and is used to measure long distances, such as roads, geographic areas, and travel routes. It is the preferred unit for distance in most countries that use the metric system. One kilometer is equal to about 0.621 miles.
  • Micrometer (µm): The micrometer is one-millionth of a meter (0.000001 meter) and is used in scientific and many industrial instruments such as engineering, chemicals and many other industries. It is an important measurement in biology, physics and technical fields.
  • Nanometer (nm): A nanometer is one billionth of a meter (0.000000001 meter). It is used to measure the wavelength of light, molecular structure, and nanoscale materials. It is essential in physics, chemistry, and electronics, where accuracy at the atomic level is required.
  • Inch (in): The inch is an imperial unit of length that is equal to 1/12 foot or 2.54 centimeters. It is used in the United States and some other countries to measure screens, furniture, and tools.
  • Foot (ft): One foot is equal to 12 inches or 0.3048 meters. It is used in the United States to measure height, length and short distances. For example, room dimensions, human height and building materials are measured in feet.
  • Yard (yd): A yard is an imperial unit of length that is equal to 3 feet or 36 inches (0.9144 meters). It is used in sports (e.g., football fields), fabric measurement, and landscaping. In our everyday use, the yard is used to measure medium distances and large objects.
  • Mile (mi): A mile is equal to 5,280 feet or approximately 1.609 kilometers. It is used to measure distances on roads in the United States and Britain.
  • Nautical Mile (nmi): The nautical mile is a unit of measurement used in maritime and aviation contexts and is equal to 1.852 kilometers or 1.1508 miles. This unit is important in navigation, because of their connection to the Earth's geography.
  • Light Year (ly): A light year measures the distance traveled by light in one year, which is about 9.46 trillion kilometers (5.88 trillion miles). It is a unit used in astronomy to describe the vast distances between celestial objects, such as stars, galaxies, and other astronomical phenomena.

FAQs

Our conversions are accurate to 10 decimal places, using standard international conversion factors.
Unit converters are essential for scientific calculations, international trade, and everyday tasks where different measurement systems are used.
Yes, you can convert between any of the length units provided in the dropdown menus.
Metric units are based on powers of 10, while imperial units have varying conversion factors. Metric is used worldwide, while imperial is mainly used in the US.
Yes, we have included astronomical units like light years, astronomical units (AU) and parsecs for space-related calculations.
Anowar Hossain

Anowar Hossain

Web Developer

Hi, I am Anowar, with over 10 years of experience and good knowledge of mathematical applications. We create user-friendly tools that are useful in our everyday calculations.