1:20: Kilometers (km) to Centimeters (cm)

Convert kilometers (km) to centimeters (cm) at 1:20 scale. Commonly used in engineering drawings.

On drawing

5000cm

At 1:20 scale, 1 km in reality becomes 5000 cm on paper.

1:20 Scale: km to cm Reference Table

Quick reference for converting kilometers (km) to centimeters (cm) at 1:20 scale.

Real World (km)On Drawing (cm)
0.1 km500 cm
0.5 km2500 cm
1 km5000 cm
2 km10000 cm
5 km25000 cm
10 km50000 cm
25 km125000 cm
50 km250000 cm
100 km500000 cm

How to Convert Kilometers (km) to Centimeters (cm) at 1:20

To convert a real-world measurement in kilometers (km) to centimeters (cm) on a 1:20 scale drawing, first convert your measurement to millimeters, then divide by the scale ratio (20), and finally convert to your desired output unit (cm).

Formula: Result (cm) = Input (km) × (1000000 / 20 / 10)

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