Length converter

Meters to Kilometers

Meters and Kilometers measure the same quantity in different unit systems. The relationship is 1 m = 0.001 km, which gives 0.001 km per m. Below you can convert any value, check a worked example and read the full chart.

Formula 1 m = 0.001 km

Need the other direction? Kilometers to Meters.

How to convert Meters to Kilometers

The metre is the SI base unit of length, defined by the speed of light in vacuum. The kilometre is 1,000 metres and is the standard road-distance unit in most countries.

To convert Meters to Kilometers, multiply the value in m by 0.001. For example, 10 m × 0.001 = 0.01 km. This works because the ratio between the two units is constant for every value in length.

Worked examples

mkm
1 m0.001 km
2.5 m0.0025 km
5 m0.005 km
10 m0.01 km
25 m0.025 km
50 m0.05 km
100 m0.1 km

Reverse conversion

kmm
1 km1,000 m
5 km5,000 m
10 km10,000 m
25 km25,000 m
50 km50,000 m
100 km100,000 m

When this conversion is useful

This is the calculation you need when you are working across metric and imperial measurements, shopping abroad or reading a spec sheet. Because the factor is fixed, you can use the same number for a single measurement or for a batch: 1,000 m is 1 km.

Is the conversion exact?

Yes for practical use: the factors come from international definitions, with rounding applied only for display.

Reference: BIPM SI Brochure and NIST SP 811. Last reviewed: 2026-11-01.

m to km conversion chart

The chart lists the most requested values. For a value that is not here, use the converter at the top of the page.

Meters (m)Kilometers (km)
1 m0.001 km
2 m0.002 km
3 m0.003 km
4 m0.004 km
5 m0.005 km
6 m0.006 km
7 m0.007 km
8 m0.008 km
9 m0.009 km
10 m0.01 km
11 m0.011 km
12 m0.012 km
13 m0.013 km
14 m0.014 km
15 m0.015 km
16 m0.016 km
17 m0.017 km
18 m0.018 km
19 m0.019 km
20 m0.02 km
21 m0.021 km
22 m0.022 km
23 m0.023 km
24 m0.024 km
25 m0.025 km
26 m0.026 km
27 m0.027 km
28 m0.028 km
29 m0.029 km
30 m0.03 km
31 m0.031 km
32 m0.032 km
33 m0.033 km
34 m0.034 km
35 m0.035 km
36 m0.036 km
37 m0.037 km
38 m0.038 km
39 m0.039 km
40 m0.04 km
41 m0.041 km
42 m0.042 km
43 m0.043 km
44 m0.044 km
45 m0.045 km
46 m0.046 km
47 m0.047 km
48 m0.048 km
49 m0.049 km
50 m0.05 km
60 m0.06 km
70 m0.07 km
80 m0.08 km
90 m0.09 km
100 m0.1 km

Frequently asked questions

How many Kilometers are in 1 Meters?

1 m equals 0.001 km.

How do I convert Meters to Kilometers?

Multiply the m value by 0.001. Example: 25 m = 0.025 km.

What is 2.5 m in km?

2.5 m = 0.0025 km.

Is the m to km conversion exact?

Yes for practical use: the factors come from international definitions, with rounding applied only for display.

Does the calculator work offline?

Yes. The conversion runs in your browser with JavaScript, so it works after the page has loaded, even without a connection.

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