KM to CM Converter (All Length Units)

Kilometers to Centimeters Conversion Table

Kilometers (km)	Centimeters (cm)
1	100000
0.5	50000
2	200000
5	500000
10	1000000

Kilometers to Centimeters – Power of 100,000

Core idea: Metric is base‑10. Going from kilometers → centimeters jumps 5 decimal steps: km → m (×1000) then m → cm (×100). Combined: 1 km = 100,000 cm. Reverse by dividing by 100,000.

Formulas

cm = km × 100,000
km = cm ÷ 100,000
Factor decomposition: cm = km × 1000 × 100
Scientific notation: 1 km = 1 × 10⁵ cm

Quick Values

Kilometers	Centimeters	Meters
0.01	1,000	10
0.1	10,000	100
0.5	50,000	500
1	100,000	1,000
2	200,000	2,000

Worked Example

Example: 3.27 km → cm = 3.27 × 100,000 = 327,000 cm. Reverse check: 327,000 ÷ 100,000 = 3.27 km.

Where Used

Science education (teaching metric place value jumps).
Converting road distances (km) to smaller-scale blueprint (cm) contexts.
Data normalization for mixed-unit datasets.

Accuracy & Tips

Only powers of 10 involved—no rounding needed unless input is decimal.
To shift km → cm, move decimal 5 places right; reverse move 5 left.
Use scientific notation for very large values to avoid digit mistakes.

More Examples

Kilometers	Centimeters	Scientific
0.003	300	3.0×10²
4.8	480,000	4.8×10⁵
12.75	1,275,000	1.275×10⁶

FAQ

Why 100,000 exactly? 1 km = 1000 m and 1 m = 100 cm → multiply 1000 × 100.
How to avoid counting zeros? Use scientific notation (e.g., 7 km = 7×10⁵ cm).
Is any rounding ever needed? Only if the km value itself is a repeating or rounded decimal.

Metric relationships exact; only input rounding propagates.