Kilometers to meters

Type a value in kilometers to see it in meters straight away, or type in the second box to convert back.

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

  1. Type the value in the kilometers box.
  2. Read the result in meters as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

m = km × 1,000

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

Example

To convert 25 km to meters: 25 × 1,000 = 25,000 m.

Conversion table

Kilometers (km)Meters (m)
11,000
22,000
33,000
55,000
1010,000
2020,000
2525,000
5050,000
100100,000
250250,000
500500,000
1,0001,000,000

About the units

Kilometer
A kilometer is exactly 1000 meters and is the usual unit for road and travel distances.
Meter
The SI base unit of length, defined as the distance light travels in a vacuum in 1/299792458 of a second.

Limits and caveats

  • Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
  • Both unit factors are exact by their official definitions.

Questions about this tool

How many meters are in one kilometer?

1 km = 1,000 m exactly.

How do I convert kilometers to meters?

Use m = km × 1,000. For example, 25 km = 25,000 m.

How many kilometers are in one meter?

1 m = 0.001 km.

Are the inch, foot and mile factors exact or rounded?

They are exact by definition. Since the 1959 agreement one inch is exactly 2.54 cm, one foot 0.3048 m and one mile 1609.344 m.

What is the difference between a mile and a nautical mile?

A statute mile is 1609.344 meters and is used on roads. A nautical mile is 1852 meters and is used at sea and in aviation.