Mẫu (Northern Vietnam) to Acres: the quick answer
1 mẫu-b = 0.889579 ac
1 mẫu (northern Vietnam) equals 0.889579 acres
To convert mẫu (northern Vietnam) to acres, multiply the value by 0.889579. To go the other way, multiply acres by 1.12413 to get mẫu (northern Vietnam).