km to cm converter
1 kilometer equals 100,000 centimeters. Conversions use cm = km × 100000
km → 100,000 cm
cm = km × 100000
Converter
Worked examples
- 1 km = 100,000 cm
- 2 km = 200,000 cm
- 5 km = 500,000 cm
- 10 km = 1,000,000 cm
- 100 km = 10,000,000 cm
kilometers to centimeters conversion table
| km | cm | Arithmetic |
|---|---|---|
| 1 km | 100,000 cm | × 100000 |
| 2 km | 200,000 cm | × 100000 |
| 3 km | 300,000 cm | × 100000 |
| 4 km | 400,000 cm | × 100000 |
| 5 km | 500,000 cm | × 100000 |
| 6 km | 600,000 cm | × 100000 |
| 8 km | 800,000 cm | × 100000 |
| 10 km | 1,000,000 cm | × 100000 |
| 12 km | 1,200,000 cm | × 100000 |
| 15 km | 1,500,000 cm | × 100000 |
| 20 km | 2,000,000 cm | × 100000 |
| 25 km | 2,500,000 cm | × 100000 |
| 30 km | 3,000,000 cm | × 100000 |
| 40 km | 4,000,000 cm | × 100000 |
| 50 km | 5,000,000 cm | × 100000 |
| 60 km | 6,000,000 cm | × 100000 |
| 70 km | 7,000,000 cm | × 100000 |
| 80 km | 8,000,000 cm | × 100000 |
| 90 km | 9,000,000 cm | × 100000 |
| 100 km | 10,000,000 cm | × 100000 |
How to convert km to cm
- Take your value in kilometers.
- Multiply by 100000
- That is your answer in centimeters — no rounding needed until you choose a display precision.
Related conversions
cm to kmmm to cmcm to mmcm to mcm to incm to ftcm to ydcm to micm to nmiall length units
Questions
How many centimeters in 1 kilometer?
Exactly 100,000 cm. The factor follows from the definitions of both units, not from a measurement, so it is exact.
How do I convert km to cm?
Multiply the kilometers figure by 100000 — or use the converter above, which updates as you type.
Is km to cm the same as cm to km?
No — they are inverses. One km is 100,000 cm, while one cm is 0.00001 km.
What is 1 km in cm?
1 km = 100,000 cm (see the value page for the full arithmetic).