Convert quarter girth square foot (Q.G. sq. ft ) to square metres (m²)

Example:

Conversions
one  cm² = 0.000845384 Q.G. sq. F
one  m² = 10000 cm² 
one  m² = 0.000845384 * 10000 =  8.45384 Q.G. sq. ft 
one Q.G sq. ft = 1 / 8.45384 = 0.118289440065107 m²
sample calculation:
0.67  Q.G sq. Ft =  0.67 * 0.118289 = 0.0793 m²