Length Converter

Convert between metric and imperial length units instantly.

1 nm = 0.001 µm
UnitValue
Micrometer (µm)0.001
Millimeter (mm)0.000001
Centimeter (cm)1.000000e-7
Meter (m)1.000000e-9
Kilometer (km)1.000000e-12
Inch (in)3.937008e-8

How many centimeters in an inch?

1 inch = 2.54 centimeters exactly.

How many feet in a meter?

1 meter = 3.28084 feet.

How many km in a mile?

1 mile = 1.60934 kilometers.

How many inches in a foot?

1 foot = 12 inches.

How to Use Length Converter?

  1. 1Enter your input values, numbers, or dates into the fields above.
  2. 2Adjust calculation parameters, units, or values to fit your specific needs.
  3. 3View the calculated result instantly. Many of our tools provide complete breakdowns, tables, or interactive details below.

Easy & Instant

Get results in real-time as you type or adjust your inputs for Length Converter.

High Accuracy

All mathematical calculations use industry-standard formulas to guarantee accurate outputs.

Free & Secure

Calculate with complete privacy. Your inputs are never sent to our servers — everything is computed locally.

Frequently Asked Questions

Is Length Converter free to use?
Yes, Length Converter is 100% free with no hidden charges, premium subscriptions, or limits. You can use it as much as you need.
How does the Length Converter tool work?
Convert between metric and imperial length units instantly. All operations are processed entirely inside your web browser using HTML5 features. Your files or input data are never uploaded to any server.
Is my data secure with Length Converter?
Absolutely. Since the processing runs client-side in your own browser, your data never leaves your device. This makes it completely secure and private.