Size calculation for calligraphy and painting:
(1) Small piece 33 * 33cm 1 square foot
(2) Small piece 45 * 33cm 1.4 square feet
(3) Four feet three openings 68 * 45cm 2.8 square feet
(4) Four feet, four openings, 68 * 68cm, 4 square feet
(5) Four foot split bucket 68 * 68cm 4 square feet
(6) Four foot split long strip 34 * 136cm 4 square feet
(7) 四尺整纸 68*136cm 8平方尺
(8) 五尺整纸 81*155cm 11.5平方尺
(9) 六尺整纸 96*178cm 15.6平方尺
(10) 八尺整纸 122*244cm 27平方尺
(11) 丈二整纸 144*366cm 48平方尺
(12) 丈六整纸 200*498cm 92平方尺
1、长*宽*9=平方尺(例:四尺整纸 1.36m*0.68m*9=8.32平方尺。依据:1平方米等于9平方尺,以米为计算单位。)
2、长*宽/0.1089=平方尺(例:四尺整纸 1.36m*0.68m/0.1089=8.4平方尺。以厘米为计算单位,依据:33cm*33cm=1089平方厘米)