Square Centimeters to Qing (China): the quick answer
1 cm² = 1.5 × 10⁻⁹ qing
1 square centimeter equals 1.5 × 10⁻⁹ qing (China)
To convert square centimeters to qing (China), multiply the value by 1.5 × 10⁻⁹. To go the other way, multiply qing (China) by 666,667,000 to get square centimeters.