Length Converters
Browse our comprehensive collection of length converters for meters, feet, inches, kilometers, miles, nautical miles, light years, and more. Free online tools for construction, engineering, science, and everyday use.
Meters to Kilometers
Convert meters to kilometers and vice versa with step-by-step division by 1000.
metricCentimeters to Meters
Convert centimeters to meters and back with detailed conversion factor.
metricMillimeters to Meters
Convert millimeters to meters with step-by-step division by 1000.
metricMicrometers to Millimeters
Convert micrometers (µm) to millimeters (mm) and vice versa.
metricNanometers to Micrometers
Convert nanometers (nm) to micrometers (µm) for scientific measurements.
metricDecimeters to Meters
Convert decimeters to meters and back with simple formula.
metricHectometers to Kilometers
Convert hectometers to kilometers for land measurement.
metricKilometers to Hectometers
Convert kilometers to hectometers with step-by-step multiplication.
metricFeet to Inches
Convert feet to inches (1 ft = 12 in) and vice versa.
imperialYards to Feet
Convert yards to feet (1 yd = 3 ft) and back.
imperialMiles to Yards
Convert miles to yards (1 mi = 1760 yd) with detailed steps.
imperialFurlongs to Miles
Convert furlongs to miles (1 furlong = 1/8 mile).
imperialLeagues to Miles
Convert leagues to miles (1 league ≈ 3 miles) with explanation.
imperialInches to Feet (with decimal)
Convert inches to feet with decimal or fraction results.
imperialFeet to Yards
Convert feet to yards and back with division/multiplication by 3.
imperialMiles to Furlongs
Convert miles to furlongs (1 mile = 8 furlongs).
imperialNautical Miles to Kilometers
Convert nautical miles to kilometers (1 nmi = 1.852 km).
marineKilometers to Nautical Miles
Convert kilometers to nautical miles with division by 1.852.
marineNautical Miles to Miles
Convert nautical miles to statute miles (1 nmi = 1.15078 mi).
marineMiles to Nautical Miles
Convert statute miles to nautical miles.
marineFathoms to Meters
Convert fathoms (1 fathom = 1.8288 m) for marine depth.
marineMeters to Fathoms
Convert meters to fathoms for marine navigation.
marineCables to Meters
Convert cables (1 cable = 185.2 m) for marine distance.
marineMeters to Cables
Convert meters to cables for nautical applications.
marineAngstroms to Nanometers
Convert angstroms (Å) to nanometers (1 Å = 0.1 nm).
scientificNanometers to Angstroms
Convert nanometers to angstroms (1 nm = 10 Å).
scientificPicometers to Nanometers
Convert picometers (pm) to nanometers (1 pm = 0.001 nm).
scientificNanometers to Picometers
Convert nanometers to picometers.
scientificMils (Thousandths of Inch) to mm
Convert mils (thousandths of an inch) to millimeters.
scientificMillimeters to Mils
Convert millimeters to mils for engineering.
scientificMicroinches to Micrometers
Convert microinches (µin) to micrometers (µm).
scientificFemtometers to Picometers
Convert femtometers (fm) to picometers (pm).
scientificLight Years to Kilometers
Convert light years to kilometers (1 ly ≈ 9.461e12 km).
astronomicalKilometers to Light Years
Convert kilometers to light years with division by light speed.
astronomicalParsecs to Light Years
Convert parsecs (pc) to light years (1 pc = 3.26156 ly).
astronomicalLight Years to Parsecs
Convert light years to parsecs.
astronomicalAstronomical Units (AU) to km
Convert AU to kilometers (1 AU ≈ 149.6 million km).
astronomicalKilometers to Astronomical Units
Convert kilometers to AU.
astronomicalParsecs to Kilometers
Convert parsecs to kilometers (1 pc ≈ 3.0857e13 km).
astronomicalLight Years to AU
Convert light years to Astronomical Units (1 ly ≈ 63241 AU).
astronomicalChains to Meters
Convert chains (surveyor's) to meters (1 chain = 20.1168 m).
surveyingMeters to Chains
Convert meters to chains for land surveying.
surveyingRods to Feet
Convert rods (perches) to feet (1 rod = 16.5 ft).
surveyingFeet to Rods
Convert feet to rods for land measurement.
surveyingLinks to Meters
Convert links (surveyor's) to meters (1 link = 0.201168 m).
surveyingMeters to Links
Convert meters to links.
surveyingPerches to Yards
Convert perches to yards (1 perch = 5.5 yards).
surveyingYards to Perches
Convert yards to perches.
surveyingHands to Inches
Convert hands (horse height) to inches (1 hand = 4 in).
otherInches to Hands
Convert inches to hands.
otherCubits to Meters
Convert cubits to meters (1 cubit ≈ 0.4572 m).
otherPaces to Meters
Convert paces (average step) to meters (≈0.762 m).
otherFurlongs to Yards
Convert furlongs to yards (1 furlong = 220 yd).
otherYards to Furlongs
Convert yards to furlongs.
otherMicromicrons to Angstroms
Convert micromicrons to angstroms (1 µmicron = 0.01 Å).
otherAngstroms to Micromicrons
Convert angstroms to micromicrons.
otherWhat Are Length Converters?
Our Length Converters collection provides a comprehensive suite of tools for converting between different length and distance units. Whether you're working in construction, engineering, science, navigation, or everyday life, these converters deliver accurate results with clear step-by-step explanations.
From metric units (meters, kilometers, centimeters) and imperial units (feet, inches, miles) to nautical units, scientific measurements, astronomical distances, and surveying units, our tools cover the full spectrum of length measurements.
How to Use This Directory
- Search: Type a keyword into the search bar to find specific converters by name or description.
- Filter by Category: Use the dropdown to narrow down to a specific length unit type — each option shows the number of tools available.
- Click to Use: Each card links directly to the converter. Click on any card to start your conversion instantly.
- Explore Category Pages: Use the "Explore More Conversion Calculators" section to access dedicated pages for other unit types.
Why Use Our Length Converters?
- Comprehensive Coverage: Covers metric, imperial, nautical, scientific, astronomical, surveying, and other units.
- Accurate & Reliable: Uses exact conversion factors based on international standards.
- Free & Accessible: No registration, no fees — use any tool instantly on any device.
- Educational: Many tools show the conversion formula, helping you understand the relationships.
- Professional & Personal Use: Designed for engineers, surveyors, scientists, students, and anyone needing length conversions.
❓ Length Converters FAQ
What types of length conversions can I perform?
You can convert between metric units (m, km, cm, mm, µm, nm), imperial/US units (ft, in, yd, mi), nautical units (nmi, fathom, cable), scientific units (Å, pm, fm, mil), astronomical units (ly, pc, AU), surveying units (chain, rod, link), and other units (hand, cubit, pace).
How do I convert meters to feet?
Use our Meters to Feet converter (found in the Imperial category). Enter the value in meters and the tool will multiply by 3.28084 to give feet, with step-by-step work.
How do I convert kilometers to miles?
Use our Kilometers to Miles converter. Multiply km by 0.621371 to get miles, with detailed formula explanation.
What is a nautical mile and how is it different from a statute mile?
A nautical mile is based on the Earth's circumference and is used in maritime and aviation. It equals 1.852 km or about 1.15078 statute miles. Our converters handle both.
How do I convert light years to kilometers?
Use our Light Years to Kilometers converter. Multiply by 9.4607e12 to get kilometers, with scientific notation explanation.
What is a chain in surveying?
A chain is a unit of length used in land surveying, equal to 66 feet or 20.1168 meters. Our converters handle chain conversions.
How do I convert inches to centimeters?
Use our Inches to Centimeters converter. Multiply inches by 2.54 to get centimeters, with step-by-step formula.
Are these converters accurate for engineering and construction?
Yes, our converters use exact conversion factors and are suitable for professional applications including engineering, construction, and surveying.
How often are new length converters added?
We regularly add new converters based on user requests. If you have a suggestion, please contact us.
Can I convert between any two length units?
Yes, you can use the individual converters for specific pairs, or use the universal length converter if available (some tools may be combined). Each card links to a dedicated tool for that conversion pair.