Ares to Mẫu (Central Vietnam): the quick answer
1 a = 0.0201207 mẫu-t
1 are equals 0.0201207 mẫu (central Vietnam)
To convert ares to mẫu (central Vietnam), multiply the value by 0.0201207. To go the other way, multiply mẫu (central Vietnam) by 49.7 to get ares.