中文 
en 
Calculation of painting and calligraphy sizes:
(1) Small piece 33*33cm 1 square foot
(2) Small piece 45*33cm 1.4 square feet
(3) Four-foot third-cut 68*45cm 2.8 square feet
(4) Four-foot fourth-cut 68*68cm 4 square feet
(5) Four-foot vertical square 68*68cm 4 square feet
(6) Four-foot horizontal strip 34*136cm 4 square feet
(7) Full four-foot paper 68*136cm 8 square feet
(8) Full five-foot paper 81*155cm 11.5 square feet
(9) Full six-foot paper 96*178cm 15.6 square feet
(10) Full eight-foot paper 122*244cm 27 square feet
(11) Full twelve-foot paper 144*366cm 48 square feet
(12) Full sixteen-foot paper 200*498cm 92 square feet
1. Length * Width * 9 = Square feet (Example: Full four-foot paper 1.36m * 0.68m * 9 = 8.32 square feet. Basis: 1 square meter equals 9 square feet, calculated in meters.)
2. Length * Width / 0.1089 = Square feet (Example: Full four-foot paper 1.36m * 0.68m / 0.1089 = 8.4 square feet. Calculated in centimeters, basis: 33cm * 33cm = 1089 square centimeters)