Length Units Calculator

Universal Length Converter

Value:

From Unit: Kilometers (km) Meters (m) Centimeters (cm) Millimeters (mm) Micrometers (μm) Nanometers (nm) Miles (mi) Yards (yd) Feet (ft) Inches (in) Nautical Miles (nmi) Light Years (ly) Astronomical Units (AU) Parsecs (pc)

To Unit: Kilometers (km) Meters (m) Centimeters (cm) Millimeters (mm) Micrometers (μm) Nanometers (nm) Miles (mi) Yards (yd) Feet (ft) Inches (in) Nautical Miles (nmi) Light Years (ly) Astronomical Units (AU) Parsecs (pc)

Conversion Result

Result: 1 meter

A Length Units Calculator is a tool that converts measurements of distance or length from one unit to another. Length is a fundamental physical quantity used in science, engineering, construction, and everyday life. Different systems (Metric, Imperial, US Customary) use various units, making conversion tools essential for accuracy and convenience.

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Common Length Units

Metric System Units

1. Millimeter (mm)

   • 1 mm = 0.001 m

   • Used for small measurements (e.g., paper thickness, small screws).

2. Centimeter (cm)

   • 1 cm = 10 mm = 0.01 m

   • Common in everyday measurements (e.g., ruler markings).

3. Meter (m)

   • The SI base unit for length.

   • Used in construction, sports (e.g., track lengths).

4. Kilometer (km)

   • 1 km = 1,000 m

   • Used for long distances (e.g., road distances).

Imperial / US Customary Units

5. Inch (in)

   • 1 in = 2.54 cm

   • Used in electronics (screen sizes), construction (pipe diameters).

6. Foot (ft)

   • 1 ft = 12 in = 0.3048 m

   • Common in real estate (room dimensions), aviation (altitude).

7. Yard (yd)

   • 1 yd = 3 ft = 0.9144 m

   • Used in fabric measurements, sports (football fields).

8. Mile (mi)

   • 1 mi = 5,280 ft ≈ 1.609 km

   • Used for road distances (e.g., speed limits in the US).

Other Specialized Units

9. Nautical Mile (nmi)

   • 1 nmi = 1,852 m ≈ 1.1508 mi

   • Used in marine and aviation navigation.

10. Micrometer (µm) / Micron

• 1 µm = 0.001 mm

• Used in microscopy, engineering tolerances.

11. Light-Year (ly)

• Distance light travels in a year (~9.461 × 10¹² km)

• Used in astronomy.

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Conversion Formulas

From	To	Formula
mm	cm	$\text{cm}=\text{mm}÷10$
cm	m	$\text{m}=\text{cm}÷100$
m	km	$\text{km}=\text{m}÷1000$
in	cm	$\text{cm}=\text{in}\times 2.54$
ft	m	$\text{m}=\text{ft}\times 0.3048$
mi	km	$\text{km}=\text{mi}\times 1.60934$
yd	m	$\text{m}=\text{yd}\times 0.9144$
nmi	km	$\text{km}=\text{nmi}\times 1.852$

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Applications of Length Conversion

1. Construction & Engineering

   • Converting blueprints between metric and imperial units.

   • Measuring materials (e.g., wood in inches vs. centimeters).

2. Travel & Navigation

   • Switching between miles and kilometers for road trips.

   • Nautical miles for boating and flight distances.

3. Science & Manufacturing

   • Precision measurements in micrometers or nanometers.

   • Converting PCB dimensions (mm to mils).

4. Everyday Use

   • Height conversions (feet to meters).

   • Clothing sizes (inches to centimeters).