var unitID = "mass";
var defaultUnitIndex = 6;

var units = [
  ["carats (metric)",                         0.0002],
  ["cental",                                  45.359237],
  ["Earth masses",                            5.980e24],
  ["grains",                                  0.00006479891],
  ["grams",                                   1e-3],
  ["hundredweights",                          50.80234544],
  ["kilograms [kg]",                          1],
  ["ounces (US & UK)",                    0.028349523125],
  ["ounces (troy, precious metals)",          0.0311034768],
  ["pounds [lbs] (US & UK)",              0.45359237],
  ["pounds (troy, precious metals)",          0.3732417216],
  ["Solar masses",                            1.989e30],
  ["slugs (g-pounds)",                        14.593903],
  ["stones",                                  6.35029318],
  ["tons (UK or long)",                       1016.0469088],
  ["tons (US or short)",                      907.18474],
  ["tonnes",                                  1000]
];