Length Converter
Convert between 30+ length units instantly with support for metric and imperial systems
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Convert Length & Distance Instantly
The fastest, most accurate way to convert between 55+ length and distance units. From meters to feet, kilometers to miles, and everything in between.
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55+ Units
FEATURES
Everything You Need for Length Conversion
A powerful, feature-rich converter built for professionals, students, and anyone who works with length and distance measurements.
Highly Accurate
Precision conversions using official scientific conversion factors. Results you can trust for any application.
Instant Results
Get conversion results instantly as you type. No waiting, no loading - real-time conversions.
55+ Units
From metric to imperial, nautical to astronomical units - we support all major length and distance units.
100% Free
No registration, no limits, no hidden fees. Always free to use without any restrictions.
Bidirectional Conversion
Convert in any direction with a single click. Swap units instantly to reverse your conversion.
Conversion Formulas
See the exact formula used for each conversion. Learn how the math works behind the scenes.
Conversion Tables
Quick reference tables for common values. See multiple conversions at a glance.
Astronomical Units
Support for astronomical units like light-years, parsecs, and astronomical units for cosmic distances.
Easy Reference
Bookmark any conversion page for quick access. Share conversion links with others.
HOW IT WORKS
Convert Length in 3 Easy Steps
No complicated setup, no account required. Just enter, select, and get your result.
01
Enter Your Value
Simply type the value you want to convert. The converter accepts any positive number including decimals.
02
Select Units
Choose your source and target units from our comprehensive list of 55+ length and distance units.
03
Get Your Result
Instantly see your converted value with the exact formula used. Copy or share the result easily.
Results in milliseconds
Use Cases
See how professionals use our length converter in their daily work
Construction & Engineering
Calculate dimensions, building measurements, and structural specifications in any unit system.
Scientific Research
Precise conversions for laboratory work, physics experiments, and astronomical calculations.
Travel & Navigation
Convert distances for travel planning, route mapping, and navigation between different countries.
Sports & Athletics
Convert race distances, track measurements, and athletic performance metrics.
Textiles & Fashion
Convert fabric measurements, garment dimensions, and sizing specifications.
Manufacturing & CNC
Calculate precise measurements for machining, 3D printing, and manufacturing processes.
Converter Tool
Convert Length Units
Convert between 30+ length units instantly with support for metric and imperial systems
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Length Converter
v0.1.9Length Converter
Convert between 30+ length units instantly with support for metric and imperial systems
- Convert between 50+ length and distance units instantly
- Support for metric, imperial, nautical, and astronomical units
- See conversion formulas and reference tables
- Works offline - no data sent to servers
Popular Length Conversions
m → ft
1 m = 3.28084 ft
ft → m
1 ft = 0.3048 m
km → mi
1 km = 0.621371 mi
mi → km
1 mi = 1.609344 km
cm → in
1 cm = 0.393701 in
in → cm
1 in = 2.54 cm
m → km
1 m = 0.001 km
km → m
1 km = 1,000 m
m → cm
1 m = 100 cm
cm → m
1 cm = 0.01 m
m → mm
1 m = 1,000 mm
mm → m
1 mm = 0.001 m
cm → mm
1 cm = 10 mm
mm → cm
1 mm = 0.1 cm
mi → ft
1 mi = 5,280 ft
ft → mi
1 ft = 0.000189 mi
yd → ft
1 yd = 3 ft
ft → yd
1 ft = 0.333333 yd
ft → in
1 ft = 12 in
in → ft
1 in = 0.083333 ft
Frequently Asked Questions
Got questions about our length converter? We have answers.
Yes, absolutely! Our length converter is 100% free with no hidden costs, no premium tiers, and no limitations. You can perform as many conversions as you want without paying anything.
We use official scientific conversion factors with high precision. Our conversions are accurate to many decimal places, suitable for both everyday use and scientific applications.
We support 55+ length and distance units including metric (meter, kilometer, centimeter), imperial (mile, yard, foot, inch), nautical (nautical mile, fathom), astronomical (light-year, parsec), and historical units.
Yes! Every conversion page shows the exact formula used. We believe in transparency and helping you understand the math behind each conversion.
Yes, our converter handles astronomical distances including light-years, parsecs, and astronomical units. Perfect for astronomy and astrophysics calculations.
A nautical mile is a unit of distance used primarily in maritime and aviation navigation. One nautical mile equals 1,852 meters or approximately 1.151 regular miles.
A statute mile (land mile) equals 5,280 feet or 1,609.344 meters, while a nautical mile equals 1,852 meters. Nautical miles are used in navigation because they relate to the Earth's circumference.
Yes! Our converter is built as a Progressive Web App (PWA). You can install it on your device and use it completely offline.
We automatically adjust precision based on the conversion. Astronomical units show more decimal places while everyday units show practical precision levels.
Absolutely! Our converter is fully responsive and works great on smartphones, tablets, and desktop computers. The interface adapts to your screen size.
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