Unit Converter

Convert length, weight, temperature, and all physical units

How to Convert Meters to Kilometers

Divide meters by 1,000 to get kilometers. This is useful for converting running, walking, or hiking distances measured in meters into the more commonly used kilometer unit. A full marathon is 42,195 meters or 42.195 kilometers.

Conversion Formula

km = m ÷ 1,000

Quick Reference Table

Meter	Kilometer
100	0.1
500	0.5
1000	1
1500	1.5
5000	5
10000	10
42195	42.195

How to Use the Unit Converter

The Internet Octopus Unit Converter supports 14 categories and over 100 units. Enter a value and select units to see instant conversion results.

Supported Unit Categories

Length — Millimeter, centimeter, meter, kilometer, inch, foot, yard, mile, nautical mile, and more
Weight / Mass — Milligram, gram, kilogram, ton, pound, ounce, stone, grain, and more
Volume — Milliliter, liter, gallon, quart, pint, cup, fluid ounce, tablespoon, teaspoon, and more
Area — Square meter, square kilometer, acre, hectare, pyeong, and more
Temperature — Convert between Celsius, Fahrenheit, and Kelvin
Speed — Meter/second, kilometer/hour, mile/hour, knot, foot/second, and more
Time — Millisecond, second, minute, hour, day, week, year, and more
Digital Storage — Bit, byte, KB, MB, GB, TB, PB, and KiB, MiB, GiB, TiB, and more
Pressure — Pascal, kilopascal, bar, atmosphere, PSI, mmHg, and more
Energy — Joule, kilojoule, calorie, kilocalorie, watt-hour, kilowatt-hour, BTU, electronvolt, and more
Power — Watt, kilowatt, megawatt, horsepower, and more
Angle — Degree, radian, gradian, turn, and more
Force — Newton, kilonewton, pound-force, kilogram-force, and more
Frequency — Hertz, kilohertz, megahertz, gigahertz, and more

How to Use

Enter a number in the left input field.
Select the source unit from the left dropdown.
Select the target unit from the right dropdown — only compatible units are shown.
The result appears instantly. Use the swap button to reverse the conversion.