Kilometers to Meters Converter (km to m)
1 km = 1,000 m exactly. Convert kilometers to meters for race legs, map distances, ocean depths and orbits, with km to m and m to km charts.
Meter (m) = Kilometer (km) × 1000
Kilometer (km): The kilometre is 1,000 metres. One international mile is exactly 1.609344 km; to convert kilometres to miles, divide by 1.609344.
Meter (m): The metre is the SI base unit of length. Since 1983 it has been defined as the distance light travels in a vacuum in 1/299 792 458 of a second.
| Kilometer (km) | Meter (m) |
|---|---|
| 1 | 1000 |
| 5 | 5000 |
| 10 | 10000 |
| 25 | 25000 |
| 50 | 50000 |
| 100 | 100000 |
Road signs, maps and race names count in kilometers, but tracks, pools, runways and course markings work in meters. Converting is a multiplication by 1,000, because kilo- means a thousand: a 1.5 km swim is 1,500 m, or 30 lengths of a 50 m pool, and a 0.4 km stretch equals one lap of a standard running track.
Science writing often quotes large heights and depths in kilometers, such as the 100 km Kármán line or an ocean trench nearly 11 km deep, while summit and runway figures stay in meters; multiplying by 1,000 puts both on the same footing. The charts start with fractions of a kilometer, where a misplaced decimal point is the usual mistake, and run up to 100 km.
How to use this tool
- Type a value in the Kilometer box to see it in meters, or type in the Meter box to convert the other way.
- Press ⇄ to swap the two units, or Load example for a typical value.
- Check the charts below for common values; for other units, open the Length converter.
Formula
Meter (m) = Kilometer (km) × 1000
Kilometer (km) = Meter (m) × 0.001
Both factors come from exact definitions: 1 meter = 0.001 kilometers and 1 kilometer = 1000 meters (shown to 12 significant digits).
Example
Two conversions worked with the same factors the converter uses:
1.5 km × 1000 = 1500 m
400 m × 0.001 = 0.4 km
Kilometer to Meter chart
Common values from kilometers to meters, rounded to four decimal places.
| Kilometer (km) | Meter (m) |
|---|---|
| 0.1 | 100 |
| 0.2 | 200 |
| 0.25 | 250 |
| 0.4 | 400 |
| 0.5 | 500 |
| 0.75 | 750 |
| 0.8 | 800 |
| 1 | 1,000 |
| 1.2 | 1,200 |
| 1.5 | 1,500 |
| 2 | 2,000 |
| 2.5 | 2,500 |
| 3 | 3,000 |
| 4 | 4,000 |
| 5 | 5,000 |
| 7.5 | 7,500 |
| 10 | 10,000 |
| 15 | 15,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 40 | 40,000 |
| 50 | 50,000 |
| 100 | 100,000 |
Meter to Kilometer chart
The reverse direction for values people often look up.
| Meter (m) | Kilometer (km) |
|---|---|
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 400 | 0.4 |
| 750 | 0.75 |
| 1,000 | 1 |
| 1,600 | 1.6 |
| 2,000 | 2 |
| 3,500 | 3.5 |
| 5,000 | 5 |
| 8,000 | 8 |
| 12,000 | 12 |
Distances and depths given in kilometers
| Distance | Kilometer (km) | Meter (m) |
|---|---|---|
| Olympic-distance triathlon, swim leg | 1.5 | 1,500 |
| Olympic-distance triathlon, bike leg | 40 | 40,000 |
| Olympic-distance triathlon, run leg | 10 | 10,000 |
| Channel Tunnel, total length | 50.45 | 50,450 |
| Challenger Deep in the Mariana Trench, about | 10.9 | 10,900 |
| Kármán line, a widely used edge of space | 100 | 100,000 |
| International Space Station orbit, about | 400 | 400,000 |
Quick mental estimate
Move the decimal point three places to the right: 2.5 km → 2,500 m and 0.75 km → 750 m. A half kilometer is 500 m and a quarter is 250 m. Every kilometer is exactly 1,000 m, so the answer is exact.
Use the converter or the charts when the exact figure matters.
The two units
Kilometer (km): The kilometre is 1,000 metres. One international mile is exactly 1.609344 km; to convert kilometres to miles, divide by 1.609344.
Meter (m): The metre is the SI base unit of length. Since 1983 it has been defined as the distance light travels in a vacuum in 1/299 792 458 of a second.
Frequently asked questions
How many meters is a 5 km race?
Exactly 5,000 m, which is 12½ laps of a 400 m track. That is why the 5000 m on the track starts on the far side from the finish line.
Where does space begin, in meters?
There is no single legal boundary. The Kármán line at 100 km (100,000 m) is widely used, including by the World Air Sports Federation (FAI), while the US Air Force and NASA have awarded astronaut wings for flights above 50 miles, about 80 km.
How long does a kilometer take on foot?
At an easy walking speed of 5 km/h, about 12 minutes. For an adult whose step is about 75 cm, that is roughly 1,300 steps.
How precise is the result?
The converter uses the exact definitions above with browser floating-point arithmetic and shows up to 12 significant digits. The charts round to four decimal places for reading.
Sources
Last updated:
Page address with these inputs: https://kakao.mobile/tools/kilometer-to-meter-converter/
Cite or embed this tool
kakaoCalc. (2026, November 8). Kilometers to Meters Converter (km to m). https://kakao.mobile/tools/kilometer-to-meter-converter/
“Kilometers to Meters Converter (km to m).” kakaoCalc, 8 Nov. 2026, kakao.mobile/tools/kilometer-to-meter-converter/.
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