Weight and Measures

1 inch    [in]               =   25.4  mm
1 foot    [ft]  =   12 in    =  304.8  mm
1 yard    [yd]  =    3 ft    =  914.4  mm
1 link    [li]  =    7.92 in =  201.2  mm
1 rod     [rd]  =   25 ln    =    5.03 m
1 chain   [ch]  =    4 rd    =   20.12 m
1 furlong [fur] =   10 ch    =  201.17 m
1 mile    [ml]  =    8 fur   = 1609.34 m

1 fathom  [fm]  =    6 ft    =    1.83 m
1 cable length  =  100 fm    =  183    m
1 nautical mile = 6076.1 ft  = 1852    m

1 register ton  =  100 ft³   =    2.832 m³

1 gill    [gl]               =    0.142  l / 0.118  l
1 pint    [pt]  =    4 gl    =    0.568  l / 0.473  l
1 quart   [qt]  =    2 pt    =    1.1361 l / 0.946  l
1 gallon  [gal] =    4 qt    =    4.5461 l / 3.785  l
1 barrel        = 36/31.5 gal =   163.6  l / 119.2  l
1 barrel petroleum = -/42 gal =          - / 158.97 l

1 grain   [gr]               =    0.0648 g
1 dram    [dr]  =   27.34 gr =    1.77   g
1 ounce   [oz]  =   16 dr    =   28.35   g
1 pound   [lb]  =   16 oz    =    0.453  kg
1 stone   [st]  =   14 lb    =    6.35   kg
1 quarter       [qr]  =   28/25   lb =   12.7 kg /  11.34 kg
1 hundredweight [cwt] =  112/100  lb =   50.8 kg /  45.36 kg
1 ton           [t]   = 2240/2000 lb = 1016   kg / 907.18 kg

°Fahrenheit = 1.8 * °C + 32
°Celsius    = (°F - 32) * 1.8