Carats Grains Grams Kilograms Long Hundredweights (UK) Long Tons (UK) Metric Tons (or Tonnes) Micrograms Milligrams Ounces Pennyweights Pounds Short Hundredweights (US) Short Tons (US) Stones Troy Ounces Troy Pounds → Select type of Ton Metric Tons (or Tonnes) Long Tons (UK) Short Tons (US)