Length Converter
Convert between meters, feet, inches, kilometers, miles and more.
How to Use Length Converter
Enter a Value
Type the number you want to convert into the input field.
Choose Source Unit
Select the unit you are converting FROM using the dropdown menu.
Choose Target Unit
Select the unit you want to convert TO from the second dropdown.
Copy Your Result
The converted value appears instantly. All equivalent values are also shown below.
Key Features
High Precision
Uses scientifically accurate conversion factors for reliable results.
Real-Time Conversion
Values convert instantly as you type — no waiting.
Bidirectional
Easily swap between source and target units with one click.
All Units Shown
See conversions to all supported units simultaneously.
Works Offline
Once loaded, works without internet. All math is done locally.
Free Forever
No cost, no limits. Convert as many values as you need.
Common Use Cases
- Converting between metric and imperial units for international travel
- Home renovation measurements between feet/inches and meters
- Converting athletic distances (miles to kilometers for running)
- Engineering and construction unit conversions
- Converting screen sizes and dimensions for design work
Frequently Asked Questions
How many centimeters are in an inch?
1 inch = 2.54 centimeters exactly. This is a defined conversion, not an approximation. To convert inches to cm, multiply by 2.54.
How many feet in a meter?
1 meter = 3.28084 feet, or approximately 3 feet 3.37 inches. To convert meters to feet, multiply by 3.281.
How many kilometers in a mile?
1 mile = 1.60934 kilometers. A quick approximation: multiply miles by 1.6 to get kilometers. 5 miles ≈ 8 km.
What is a nautical mile?
A nautical mile equals 1,852 meters or about 1.151 regular miles. It is defined as one minute of arc of latitude and is used in aviation and maritime navigation.
What is the difference between metric and imperial?
Metric uses meters, centimeters, kilometers (base 10). Imperial uses inches, feet, yards, miles. Most countries use metric; the US primarily uses imperial for everyday measurements.