一斤 = 16两 = 604.8g = 1.333lb = 12.1市两
半斤 = 302.4g = 0.666lb
一磅 = 453.6g = 0.75斤 = 16oz
半磅 = 226.8g = 0.375斤
一oz = 28.35g
一kg = 1000g = 2.2lb = 1.653斤 = 2市斤
半kg = 500g = 1.1lb = 0.826斤 = 1市斤
（大陸）1市斤 = 10市两 = 1.1磅 = 0.5kg/500g = 13.23两
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一呎 = 12吋 =30.48cm = 0.3048m = 0.33333碼
一m = 100cm = 39.37吋 = 3.28呎 = 1.093碼
10cm = 0.1m =3.937吋 = 0.328呎 = 0.109碼
（大陸）1市尺 = 33.33厘米 = 13.12吋
1市吋 = 1.31吋
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一升Lit = 1000ml = 35.196fl. oz = 0.22加侖（英）= 0.26加侖（美）
1 fl.oz = 28.41ml
1加侖（英）= 4.546升 = 160oz
1加侖（美）= 3.785升 = 133.23oz
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100ft²平方呎 = 9.29m²平方米
100m²平方米 = 1076.4ft²平方呎 = 30.25坪
