Kilometer to Centimeter Converter
Length · unit-converter
Convert Kilometer to Centimeter 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: Kilometer (km)
To: Centimeter (cm)
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.
About Centimeter
The centimeter is a metric unit equal to one hundredth of a meter (0.01 m). It is convenient for everyday objects, paper sizes, and body measurements.
How to convert kilometers to centimeters
1 kilometer is equal to 100000 centimeter:
1 km = (1000 m ÷ 0.01 m) cm = 100000 cm
Each kilometer is defined as 1000 m and each centimeter as 0.01 m, so one km equals 1000 ÷ 0.01 cm = 100000 cm.
Let d(km) be the numeric value of the same length measured in Kilometer (km), and d(cm) the value in Centimeter (cm). Then:
d(cm) = d(km) × (1000 / 0.01)
Equivalently, divide by how many km fit into one cm (meters per cm divided by meters per km):
d(cm) = d(km) ÷ 0.00001
Or: centimeter = kilometer ÷ 0.00001
Examples
Example #1: Convert 20 km to centimeter
20 km = 20 km × (1000/0.01) cm = 2000000 cm
20 km = 20 km ÷ 0.00001 = 2000000 cm
Example #2: Convert 50 km to centimeter
50 km = 50 km × (1000/0.01) cm = 5000000 cm
50 km = 50 km ÷ 0.00001 = 5000000 cm
Summary
To convert Kilometer to Centimeter, multiply the value in km by the ratio of meters per km divided by meters per cm. Equivalently: value_cm = value_km × (1000 / 0.01). Numerically, 1 km equals 100000 cm.
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 Kilometer to Centimeter is 1.000000e+5 (1 km = 100000 cm).
Conversion tables
| Kilometer (km) | Centimeter (cm) |
|---|---|
| 0.1 | 10,000 |
| 1 | 100,000 |
| 2 | 200,000 |
| 3 | 300,000 |
| 4 | 400,000 |
| 5 | 500,000 |
| 6 | 600,000 |
| 7 | 700,000 |
| 8 | 800,000 |
| 9 | 900,000 |
| Kilometer (km) | Centimeter (cm) |
|---|---|
| 10 | 1,000,000 |
| 20 | 2,000,000 |
| 30 | 3,000,000 |
| 40 | 4,000,000 |
| 50 | 5,000,000 |
| 60 | 6,000,000 |
| 70 | 7,000,000 |
| 80 | 8,000,000 |
| 90 | 9,000,000 |
| 100 | 10,000,000 |
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).
- km to nmiKilometer to Nautical Mile
- km to chainKilometer to Chain
- km to fathomKilometer to Fathom
- km to umKilometer to Micrometer
- km to nmKilometer to Nanometer
- km to angstromKilometer to Angstrom
- km to pmKilometer to Picometer
- nmi to cmNautical Mile to Centimeter
- chain to cmChain to Centimeter
- fathom to cmFathom to Centimeter
- um to cmMicrometer to Centimeter
- nm to cmNanometer to Centimeter