Meter to Kilometer Converter
Length · unit-converter
Convert Meter to Kilometer with a fixed input and output unit, step-by-step formula line, and reference tables. All calculations use SI-based definitions (international yard, nautical mile, etc.).
Calculator
From: Meter (m)
To: Kilometer (km)
About Meter
The meter is the SI base unit of length, defined using the speed of light. It is the foundation for centimeters, millimeters, and kilometers.
About Kilometer
The kilometer is an SI unit equal to 1,000 meters. It is the standard unit for longer distances in most countries that use the metric system.
How to convert meters to kilometers
1 meter is equal to 0.001 kilometer:
1 m = (1 m ÷ 1000 m) km = 0.001 km
Each meter is defined as 1 m and each kilometer as 1000 m, so one m equals 1 ÷ 1000 km = 0.001 km.
Let d(m) be the numeric value of the same length measured in Meter (m), and d(km) the value in Kilometer (km). Then:
d(km) = d(m) × (1 / 1000)
Equivalently, divide by how many m fit into one km (meters per km divided by meters per m):
d(km) = d(m) ÷ 1000
Or: kilometer = meter ÷ 1000
Examples
Example #1: Convert 20 m to kilometer
20 m = 20 m × (1/1000) km = 0.02 km
20 m = 20 m ÷ 1000 = 0.02 km
Example #2: Convert 50 m to kilometer
50 m = 50 m × (1/1000) km = 0.05 km
50 m = 50 m ÷ 1000 = 0.05 km
Summary
To convert Meter to Kilometer, multiply the value in m by the ratio of meters per m divided by meters per km. Equivalently: value_km = value_m × (1 / 1000). Numerically, 1 m equals 0.001 km.
Relationship context
Both units are metric (SI) and tied to the meter. Converting between them uses powers of ten (or simple rational factors), so the relationship is exact in decimal arithmetic. The factor from Meter to Kilometer is 1.000000e-3 (1 m = 0.001 km).
Conversion tables
| Meter (m) | Kilometer (km) |
|---|---|
| 0.1 | 0.0001 |
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 4 | 0.004 |
| 5 | 0.005 |
| 6 | 0.006 |
| 7 | 0.007 |
| 8 | 0.008 |
| 9 | 0.009 |
| Meter (m) | Kilometer (km) |
|---|---|
| 10 | 0.01 |
| 20 | 0.02 |
| 30 | 0.03 |
| 40 | 0.04 |
| 50 | 0.05 |
| 60 | 0.06 |
| 70 | 0.07 |
| 80 | 0.08 |
| 90 | 0.09 |
| 100 | 0.1 |
Conversions outside the hub list
The grid on the category page lists hub units only. These pairs include at least one unit outside that hub set (same tools: formulas and tables on each page).
- m to nmiMeter to Nautical Mile
- m to chainMeter to Chain
- m to fathomMeter to Fathom
- m to umMeter to Micrometer
- m to nmMeter to Nanometer
- m to angstromMeter to Angstrom
- m to pmMeter to Picometer
- nmi to kmNautical Mile to Kilometer
- chain to kmChain to Kilometer
- fathom to kmFathom to Kilometer
- um to kmMicrometer to Kilometer
- nm to kmNanometer to Kilometer