Square Yards to Barns: the quick answer
1 yd² = 8.36127 × 10²⁷ b
1 square yard equals 8.36127 × 10²⁷ barns
To convert square yards to barns, multiply the value by 8.36127 × 10²⁷. To go the other way, multiply barns by 1.19599 × 10⁻²⁸ to get square yards.