Measures, Units and Conversions  

  [ ⁰C]=([⁰F]-32)(100/180)=([⁰F]-32)/1.8              [⁰F]=32+(180/100)([⁰C])=32+(1.8)([⁰C])

1(km)²=100 hectare  = 247.1 acres     1 hectare =15  ChineseMu = 2.471 acres=10000 m²

1 Acre = 6.07  ChineseMu  =4047 m²                               1  ChineseMu = 666.67  m²

1 m²  =  10.764 ft²                                                      1 ft² = 0.0929 m²    =  1/9 Yard²

1 Mile² = 640 Acres  = 2.59 (km)²                             1 (km)² = 0.3861 Mile²

1 in = 2.54 cm                                                             1 cm = 0.3937 in

1 ft = 0.3048 m                                                            1 m = 3.2808 ft

1 yard = 3 ft = 36 in = 0.9144 m                                 1 mile = 1.6093 km

1 Gallon = 3.785 L   =  3785 ml                                 1 L = 0.2642 Gallons

1 Gallon = 128 floz = 4 Quarts = 8 Pints = 231 in³      1 L = 1.0567 Quarts

1 Liquid Quart = 2 Pints                                              1 Pint = 16 floz

1 floz = 1.805 in³ = 0.02957 Liter = 2.96 ml              1 m³ = 35.32 ft³

1 ft³ = 0.02832 m³                                                       1 ft³ = 1728 in³ 

1 BTU = 1.055 KJ  = 252.19 cal                                 1 KJ = 0.9478 BTU

1 Joule = 10⁷ ergs = 0.23905  cal                                1 kcal = 4.19 KJoule

1 Oz = 1/16 Lb = 28.35 g                                            1 Lb = 16 Oz = 453.6 g

1 kg = 2.205 Lbs                                                          1 Lb = 0.907  ChineseJin

   Lenth      1 mile = 1.609 km                      1 foot = 0.3048 m                       1m = 3.2808 ft

 Weight      1 pound = 454 g                         1 ounce(general) = 1/16 Lbs = 28.34 g

                                                                       1 ounce(Gold) =========== 31.103 g

    Area       1 acre = 4047  M²                      1 mile² = 2.59 (KM)²

Volume      1 gallon = 4 guart = 3.785 L      1 quart = 0.946 L          1 pint = 1/2 quart = 0.473 L