Ares to Square Nanometers: the quick answer
1 a = 1 × 10²⁰ nm²
1 are equals 1 × 10²⁰ square nanometers
To convert ares to square nanometers, multiply the value by 1 × 10²⁰. To go the other way, multiply square nanometers by 1 × 10⁻²⁰ to get ares.