20 km2 to sqmi

Updated July 2026

20 km2 equals 7.722 mi²

20 square kilometers = 7.722 mi². That is how many square miles there are in 20 square kilometers. Enter any value in the free area converter to convert square kilometers to square miles (and every other unit) instantly — it runs privately in your browser.

Formula: Multiply by 0.386102 — 1 square kilometer = 0.386102 square miles. So 20 × 0.386102 = 7.722 mi².

km2 to sqmi conversion table

square kilometer (km²)square miles (mi²)
5 km²1.9305 mi²
10 km²3.861 mi²
15 km²5.7915 mi²
20 km²7.722 mi²
25 km²9.6526 mi²
30 km²11.5831 mi²
35 km²13.5136 mi²

Frequently asked questions

How many square miles is 20 square kilometers?
20 square kilometers is 7.722 square miles. Multiply km2 by 0.386102 to get sqmi.
What is 20 km2 to sqmi?
20 square kilometers = 7.722 mi².
How do you convert km2 to sqmi?
Multiply by 0.386102 — 1 square kilometer = 0.386102 square miles. So 20 × 0.386102 = 7.722 mi².

Other km2 to sqmi conversions

Convert 20 km2 to other units