Ares to Square Mils: the quick answer
1 a = 155,000,000,000 mil²
1 are equals 155,000,000,000 square mils
To convert ares to square mils, multiply the value by 155,000,000,000. To go the other way, multiply square mils by 6.4516 × 10⁻¹² to get ares.