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Length Converter

Convert metric, imperial, navigation, and scientific length units with live results, accurate formulas, and reference tables.

Length conversion

Calculator

Results update instantly. Use Calculate to confirm the current conversion.

Decimals and negative values are supported.

Result

1,000 m

1 km ≈ 1,000 m

Live result is ready.

Open a focused converter for a commonly searched length conversion.

Centimeters to Inches1 cm = 0.39370079 inInches to Centimeters1 in = 2.54 cmMeters to Feet1 m = 3.2808399 ftFeet to Meters1 ft = 0.3048 mKilometers to Miles1 km = 0.62137119 miMiles to Kilometers1 mi = 1.609344 kmMillimeters to Inches1 mm = 0.03937008 inInches to Millimeters1 in = 25.4 mm

Conversion table

Common kilometers to meters values, generated from the selected units.

kilometers (km)meters (m)
1 kilometer1,000 meters
5 kilometers5,000 meters
10 kilometers10,000 meters
20 kilometers20,000 meters
50 kilometers50,000 meters
100 kilometers100,000 meters

Formula

Multiply the value in kilometers by 1,000 to get meters.

m = km × 1,000

Example

Convert 1 kilometer:

1 km ≈ 1,000 m

1 kilometer is approximately 1,000 meters.

Unit information

Concise reference information for the selected source and target units.

Kilometer (km)

Metric
1 km = 1,000 m
Definition
One kilometer equals exactly 1,000 meters.
Usage
Used for road distances, geography, travel, and outdoor sports.

Meter (m)

Metric
1 m = 1 m
Definition
The meter is the SI base unit of length.
Usage
Used worldwide for everyday, scientific, construction, and engineering measurements.
Kilometers to MilesConvert kilometers to miles.Feet to MetersConvert feet to meters.Centimeters to InchesConvert centimeters to inches.Inches to CentimetersConvert inches to centimeters.Meters to FeetConvert meters to feet.Miles to KilometersConvert miles to kilometers.Millimeters to InchesConvert millimeters to inches.Inches to MillimetersConvert inches to millimeters.

Frequently asked questions

Which length units does this converter support?

The converter supports 14 units: millimeters, centimeters, meters, kilometers, inches, feet, yards, miles, nautical miles, micrometers, nanometers, light years, astronomical units, and parsecs.

How does the length converter calculate results?

Each value is converted to meters as a shared base unit, then converted from meters to the selected target unit.

Can the converter handle decimals, negative values, and zero?

Yes. The input accepts integers, decimals, negative values, and zero, and updates the result immediately.